Much of the daily heat for greenhouses will come from the sun, but if you want your greenhouse to be more than a few degrees above the outside temperature at night, you will need to provide it with a heat source. The most popular greenhose heating systems are be fueled by electricity, propane, or natural gas. The choice of a greenhouse heating system and fuel depends on what is locally available, the heating requirements of the plants, cost, and individual choice. Heating requirements for your greenhouse can be determined with our Greenhouse Heater Size Calculator. Choose from our assortment of top quality electric and gas heating options below.


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120v Electric Space Heater heater, electric, greenhouse, kit, line voltage, volt, 120, 110, 115, space, plug, in, furnace, thermostat, temperature
Price: $49.95
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Availability: In Stock - Usually ships in 1 to 2 days.
Item #: 4410090 -

    Need help sizing a heater for your greenhouse? Use our Greenhouse Heater Size Calculator This 5,120 BTU portable electric heater is an economical option for heating small greenhouses. Features: multiple heat settings (1300/1500 watts), built-in dial thermostat with a 45° F to 100° F range, safety tip-over and overheat protection, quiet circulation fan which distributes heat evenly throughout structure, long-lasting permanently lubricated motor, finger-proof intake and discharge safety grills,...

    120v Electric Space Heater + Digital Thermostat heater, electric, greenhouse, kit, line voltage, volt, 120, 110, 115, space, plug, in, furnace, thermostat, temperature, combo, set, package
    Price: $69.95
    Availability: In Stock - Usually ships in 1 to 2 days.
    Item #: 4410095 -

      Need help sizing a heater for your greenhouse? Use our Greenhouse Heater Size Calculator This 5,120 BTU portable electric heater and Surestat DT20 thermostat combo is an economical option for heating rooms in homes, small garages, shops and greenhouses. Features: multiple heat settings (1300/1500 watts), separate plug-in thermostat with -72° to 176°F temperature range, safety tip-over and overheat protection, quiet circulation fan which distributes heat evenly throughout structure,...

      240v Electric Heater with 24v Controls greenhouse, heater, electric, portable, space, 220, 240, plug, in, hobby, garage, shop
      Price: $269.00
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      Availability: Out of Stock - No ETA
      Item #: 4410115 -

        Need help sizing a heater for your greenhouse? Use our Greenhouse Heater Size Calculator One of the most common problems when heating with a 240 volt electric heater is finding one that can be controlled with an external thermostat at a resonable price. Look no further. This kit includes a rugged and reliable 19,107 BTU heater and everything you need to automate it with a separate control of your choice. Works great for heating small to medium greenhouses and keeping large greenhouses above...

        240v Electric Space Heater greenhouse, heater, electric, portable, space, 220, 240, plug, in, hobby, garage, shop
        Price: $189.00
        Availability: Out of Stock - No ETA
        Item #: 4410112 -

          Need help sizing a heater for your greenhouse? Use our Greenhouse Heater Size Calculator This economical heater produces 19,107 BTUs. Works great for heating small to medium greenhouses and keeping large greenhouses above freezing. Features: built-in dial thermostat (~ 60° F low), safety high temperature limit, quiet circulation fan which distributes heat evenly throughout structure (also has "fan on" setting which allows the fan to run constantly for better heat distribution instead of just...

          Automatic Soil Heating Cables heating, cable, soil, plant, heat, seed, starter, electric, warming, gro, quick, germination, sprouting, growing, 3034100, 3034110, 3034120, 3034130, 3034030
          Price: $20 - $40
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          Availability: In Stock - Usually ships in 1 to 2 days.
          Item #: 3034 -

            These heating cables speed seedling germination and growth with gentle bottom heat allowing you to get a head start on the growing season. They have a built-in thermostat that automatically activates the heating element if the soil temperature drops below approximately 75° F which is the optimal root zone temperature for most seedlings and starts. If you want to maintain a lower temperature, you can use one of our plug-in thermostats with remote sensors. Cables can heat the soil 10-15° F above...

            Bio Green 120v Stainless Steel Waterproof Heater bio, green, palma, greenhouse, heater, waterproof, 120, volt, stainless, steel, water, line, voltage
            Sale!
            Retail: $145.00
            Price: $119.00
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            Availability: In Stock - Usually ships in 1 to 2 days.
            Item #: 4410200 -

              Need help sizing a heater for your greenhouse? Use our Greenhouse Heater Size Calculator The Bio Green Palma portable heater is made specifically for wet environments like greenhouses! It features a stainless steel housing, totally enclosed fan motor, and is completely waterproof (IPX4 rated). Another feature unique to this heater is that the fan runs continuously in heat mode providing optimal air circulation and heat distribution. Measures: 12.5"H x 10"W x 8"D. Requires 110/120 volt outlet....

              Bio Green 240v Stainless Steel Waterproof Heater Bio, Green, Phoenix, 240, volt, heater, greenhouse, stainless, steel, water, proof, electric, 220, watts, watt, 2800
              Retail: $299.00
              Price: $249.00
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              Availability: Out of stock until April - May.
              Item #: 4410210 -

                Need help sizing a heater for your greenhouse? Use our Greenhouse Heater Size Calculator The Bio Green Phoenix heater is made specifically for wet environments like greenhouses! It features a stainless steel housing, totally enclosed fan motor, 3 selectable heat outputs, and is completely waterproof (IPX4 rated). Another feature unique to this heater is that the fan runs continuously in heat mode providing optimal air circulation and heat distribution. Comes with 6' grounded power cord and...

                Heating Mats for Plants heat, heating, mat, plant, seedling, propagation, germination, diy, thermostat, best, small, greenhouse, 3035130, 3035140, 3035150, 3035160
                Sale!
                Price: $15- $45
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                Availability: In Stock - Usually ships in 1 to 2 days.
                Item #: 30351 -

                  Plant heating mats provide bottom heat which is one of the most important and effective ways to improve plant germination and rooting. Young plants will also thrive from the warmth given by these heated grow mats. Just place tray(s) or pot(s) on heating mat, and the soil in the tray will be heated 10-20° F (without heating thermostat) above the room temperature. Instructions are printed on the waterproof mat for easy reference. 110/120 volt electricity required.Heating Mat FeaturesIncreases...

                  King Pic-A-Watt 240v Electric Heater king, 240, 220, volt, electric, heater, greenhouse, space, garage, shop, small, portable, fan, room
                  Price: $629.00
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                  Availability: In Stock - Usually ships in 1 to 2 days.
                  Item #: 4410130 -

                    Need help sizing a heater for your greenhouse? Use our Greenhouse Heater Size Calculator This rugged heater will provide your greenhouse, garage, or shop with years of reliable heating. The King heater has an amazing 19,454 BTU output at the 5700 watt setting. Everything about this heater is high quality including the accurate capillary thermostat (Range 40° F to 90° F), sealed and permanently lubricated fan motor, delayed fan which continues to run after heater cuts off to remove heat from...

                    Modine Hot Dawg HD30 Gas Heaters  modine, hot, dawg, hd, dog, gas, heater, hd30, garage, shop, unit, greenhouse, propane, HD30AS0121, HD30AS0111, 4010110, 4010100
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                    Price: $849.00
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                    Availability: In Stock - Usually ships in 1 to 2 days.

                      Modine Hot Dawg heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition and low profile design. Each Hot Dawg heater includes: electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect the HD from harsh environments....

                      Modine Hot Dawg HD45 Gas Heaters modine, hot, dawg, hd, dog, gas, heater, hd45, garage, shop, unit, greenhouse, propane, HD45AS0121, HD45AS0111, 4010130, 4010120
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                      Price: $879.00
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                      Availability: In Stock - Usually ships in 1 to 2 days.

                        Modine Hot Dawg heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition and low profile design. Each Hot Dawg heater includes: electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect the HD from harsh environments....

                        Modine Hot Dawg HD60 Gas Heaters modine, hot, dawg, hd, dog, gas, heater, hd60, garage, shop, unit, greenhouse, dang, HD60AS0111, HD60AS0121, 4010150, 4010140
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                        Price: $1,099.00
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                        Availability: In Stock - Usually ships in 1 to 2 days.

                          Modine Hot Dawg heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition and low profile design. Each Hot Dawg heater includes: electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect the HD from harsh environments....

                          Modine Hot Dawg HD75 Gas Heaters modine, hot, dawg, hd, dog, gas, heater, hd75, garage, shop, unit, greenhouse, dang, HD75AS0111, HD75AS0121, 4010170, 4010160
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                          Price: $1,139.00
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                          Availability: In Stock - Usually ships in 1 to 2 days.

                            Modine Hot Dawg heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition and low profile design. Each Hot Dawg heater includes: electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect the HD from harsh environments....

                            Sterling GG30 Gas Heater gg, sterling, gg30, gas, heater, shop, furnace, unit, sale, cheap, 30,000, BTU, greenhouse, fan, garage, GG030A1NSA11, GG030A1PSA11, GG030A2NSA11, GG030A2PSA11
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                            Price: $795.00
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                            Availability: In Stock - Usually ships in 1 to 2 days.

                              Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

                              Sterling GG45 Gas Heater sterling, gg, gg45, gas, heater, furnace, garage, greenhouse, shop, unit, beacon, morris, cheap, sale, free, GG045A1NSA11, GG045A1PSA11, GG045A2NSA11, GG045A2PSA11
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                              Retail: $825.00
                              Price: $775.00
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                              Availability: In Stock - Usually ships in 1 to 2 days.

                                Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

                                Sterling GG60 Gas Heater gg60, gg, sterling, gas, natural, propane, heaters, garage, shop. greenhouses, sale, unit, low, price, GG060A1NSA11, GG060A1PSA11, GG060A2NSA11, GG060A2PSA11, GG060A1NSB11, GG060A1PSB11, GG060A2NSB11, GG060A2PSB11
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                                Price: $965.00
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                                Availability: In Stock - Usually ships in 1 to 2 days.

                                  Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

                                  Sterling GG75 Gas Heater sterling, gg, gg75, gas, heater, free, shipping, deal, sale, furnace, garage, greenhouse, shop, propane, GG075A1NSA11, GG075A1PSA11, GG075A2NSA11, GG075A2PSA11, GG075A1NSB11, GG075A1PSB11, GG075A2NSB11, GG075A2PSB11
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                                  Retail: $990.00
                                  Price: $939.00
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                                  Availability: In Stock - Usually ships in 1 to 2 days.

                                    Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

                                    Sterling GG90 Gas Heater sterling, mestek, gg, gg90, heater, gas, unit, sale, furnace, beacon, morris, dayton, greenhouse, garage, forced, air, fired,ceiling, mounted, GG090A1NSA11, GG090A1PSA11, GG090A2NSA11, GG090A2PSA11, GG090A1NSB11, GG090A1PSB11, GG090A2NSB11, GG090A2PSB11
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                                    Price: $1,065.00
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                                    Availability: In Stock - Usually ships in 1 to 2 days.

                                      Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

                                      SureStat DT10 Plug-in Digital Thermostat temperature, thermostat, digital, control, controller, portable, plug, in, prewired, cheap, greenhouse, prewired
                                      Price: $38.95
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                                      Availability: In Stock - Usually ships in 1 to 2 days.
                                      Item #: 4821230 -

                                        This plug-in temperature controller comes with a remote temperature sensor can be used to control heating and cooling devices at the same time. No wiring is necessary. Simply plug the device you want to control into the corresponding outlet on the controller and set the temperature you want to maintain. You can also customize the differential or dead-band for heating and cooling modes giving the controller maximum adjustability. Thermostat Features -50° to 210°F temperature rangeAdjustable...

                                        SureStat DT20 Plug-in Digital Thermostat / Cycle Timer temperature, thermostat, digital, control, controller, portable, plug, in, prewired, cycle, timer, cheap, greenhouse, prewired
                                        Price: $26.95
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                                        Availability: In Stock - Usually ships in 1 to 2 days.
                                        Item #: 4821220 -

                                          This unique controller can be used as a thermostat with remote temperature sensor or a cycle timer. Thermostat mode allows you to set both the ON and OFF temperatures instead of setting a single temperature like most thermostats. No wiring is necessary. Simply plug the device you want to control into the corresponding outlet on the controller and set the temperature range you want to maintain. Cycle Timer mode is designed to control devices that must be activated on a repeating cycle like a...

                                          Williams DV14 Direct Vent Gas Heaters  williams, direct, vent, gas, heater, furnace, wall, mount, dv, vented, greenhouse, sealed, 1403822, 1403821, 4100105, 4100100
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                                          Price: $897.00
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                                          Availability: In Stock - Usually ships in 1 to 2 days.

                                            Sealed Combustion & No Electricity Required!Williams direct vent wall heater draws outside air to the sealed combustion chamber and vents exhaust gases directly outside. This feature is highly recommended if you grow orchids. No electricity required, so heater will continue to operate normally even during an electrical power outage. Great heating option for greenhouses, garages, rooms in homes, and work shops.Williams Direct-Vent heaters are designed for quiet operation. Convenient, Piezo...

                                            Williams DV22 Direct Vent Gas Heaters  williams, direct, vent, gas, heater, furnace, wall, mount, dv, vented, greenhouse, sealed, 2203822, 2203821, 4100115, 4100110
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                                            Price: $1,229.00
                                            Availability: In Stock - Usually ships in 2 to 3 days.

                                              Sealed Combustion & No Electricity Required!Williams direct vent wall heater draws outside air to the sealed combustion chamber and vents exhaust gases directly outside. This feature is highly recommended if you grow orchids. No electricity required, so heater will continue to operate normally even during an electrical power outage. Great heating option for greenhouses, garages, rooms in homes, and work shops.Williams Direct-Vent heaters are designed for quiet operation. Convenient, Piezo...

                                              Williams DV30 Direct Vent Gas Heaters williams, direct, vent, gas, heater, furnace, wall, mount, dv, vented, greenhouse, sealed, 3003822, 3003821, 4100125, 4100120
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                                              Price: $1,297.00
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                                              (3)
                                              Availability: In Stock - Usually ships in 2 to 3 days.

                                                Sealed Combustion & No Electricity Required!Williams direct vent wall heater draws outside air to the sealed combustion chamber and vents exhaust gases directly outside. This feature is highly recommended if you grow orchids. No electricity required, so heater will continue to operate normally even during an electrical power outage. Great heating option for greenhouses, garages, rooms in homes, and work shops.Williams Direct-Vent heaters are designed for quiet operation. Convenient, Piezo...

                                                Williams Model 2302 Blower for DV22 & DV30 Heaters
                                                Price: $239.00
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                                                (1)
                                                Availability: In Stock - Usually ships in 1 to 2 days.
                                                Item #: 4100155 -

                                                  Blower for Williams 22,000 & 30,000 BTU heatersThis 135 CFM blower is a recommended option which directs the hot air coming out of the top of the heater downward where you need it. It can be added at any time. Includes prewired 6 ft. power cord. Requires 110/120v electricity. Does not impede heater from running when power is off. This blower mounts inside the heater cover and has an On/Off switch with pull chain and adjustable thermostat. Thermostat range is 90° to 130°. ...

                                                  Williams Model 2303 Blower for DV14 Heater
                                                  Price: $229.00
                                                  Availability: In Stock - Usually ships in 1 to 2 days.
                                                  Item #: 4100150 -

                                                    Blower for Williams 14,000 BTU heaterThis 125 CFM blower is a recommended option which directs the hot air coming out of the top of the heater downward where you need it. It can be added at any time. Includes prewired 6 ft. power cord. Requires 110/120v electricity. Does not impede heater from running when power is off. This blower sits on top of the heater and has an On/Auto/Off switch. Dimensions: 18" x 3.5" x 4.5" Setting FunctionsON - blower stays on continuouslyAUTO - blower comes on when...

                                                    Williams Thin Wall Collar  williams, heater, thin, wall, collar, kit, dv, furnace, 9307, direct, vent, wall, mount
                                                    Price: $45.00
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                                                    Availability: In Stock - Usually ships in 1 to 2 days.
                                                    Item #: 4100160 -

                                                      This kit extends the vent cap away from the exterior wall which is needed when mounting the vent cap to vinyl siding or greenhouse coverings to prevent heated exhaust air from damaging those materials. The thin-wall collar is also used needed when venting through walls less than 4 1/2" thick. Williams Thin Wall Collar Installation Manual ...

                                                      240v Heater Receptacle 20 Amp
                                                      Price: $8.95
                                                      Availability: In Stock - Usually ships in 1 to 2 days.
                                                      Item #: 4410121 -

                                                        This NEMA #6-20R receptacle is for the 240v stainless steel heater.

                                                        240v Heater Receptacle 30 Amp
                                                        Price: $11.95
                                                        Availability: In Stock - Usually ships in 1 to 2 days.
                                                        Item #: 4410120 -

                                                          This is a NEMA #6-30R receptacle and can be used with both the 240v space heater and King Pic-a-Watt heater.

                                                          King Heater Plug In Cord Kit
                                                          Price: $35.00
                                                          Availability: In Stock - Usually ships in 1 to 2 days.
                                                          Item #: 4410134 -

                                                            The King heavy-duty plug-in cord below allows you to make the heater portable and includes a #10/3, 30 amp, 5.5' cord with NEMA #6-30P plug (for use with NEMA #6-30R receptacle) and romex connector. Wiring is required to connect the cord to the heater.

                                                            Modine Hot Dawg HD100 Gas Heaters modine, hot, dawg, hd, dog, gas, heater, hd100, garage, shop, unit, greenhouse, dang, HD100AS0121, HD100AS0111, 4010180, 4010185
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                                                            Price: $1,295.00
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                                                            Availability: In Stock - Usually ships in 1 to 2 days.

                                                              Modine Hot Dawg heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition and low profile design. Each Hot Dawg heater includes: electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect the HD from harsh environments....

                                                              Modine Hot Dawg HD125 Gas Heaters modine, hot, dawg, hd, dog, gas, heater, hd125, garage, shop, unit, greenhouse, propane, natural, HD125AS0111, HD125AS0121, 4010190, 4010195
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                                                              Price: $1,379.00
                                                              Availability: In Stock - Usually ships in 1 to 2 days.

                                                                Modine Hot Dawg heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition and low profile design. Each Hot Dawg heater includes: electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect the HD from harsh environments....

                                                                Sterling GG105 Gas Heater gg, gg105, sterling, gas, heater, unit, garage, greenhouse, propane, natural, fan, forced, sale, price, reviews, mr, dayton, big, maxx, heatstar, GG105A1NSA11, GG105A1PSA11, GG105A2NSA11, GG105A2PSA11, GG105A1NSB11, GG105A1PSB11, GG105A2NSB11, GG105A2PSB11
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                                                                Price: $1,145.00
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                                                                Availability: In Stock - Usually ships in 1 to 2 days.

                                                                  Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

                                                                  Sterling GG120 Gas Heater gg120, gg, sterling, heater, gas, garage, shop, greenhouse, low, price, deal, sale, cheap, best, GG120A1NSA11, GG120A1PSA11, GG120A2NSA11, GG120A2PSA11, GG120A1NSB11, GG120A1PSB11, GG120A2NSB11, GG120A2PSB11
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                                                                  Price: $1,199.00
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                                                                  Availability: In Stock - Usually ships in 1 to 2 days.

                                                                    Sterling GG gas heaters are an excellent option for heating garages, greenhouses, sheds, etc. Each Sterling GG heater includes: tubular heat exchanger, electronic ignition, power exhaust system, advanced diagnostic system for dependable worry-free operation, lots of safety features, high power fan to provide even heat distribution, rust-resistant aluminized steel exchanger, and a baked-on enamel finish made to protect them from harsh environments. Designed for propane or natural gas. Some...

                                                                    Sterling GF150 Heater
                                                                    Free Shipping
                                                                    Price: $2019 - $3999
                                                                    Availability: Factory Direct - Currently ships in 8 to 12 weeks.
                                                                    Item #: 40718 -

                                                                      The Sterling Shield GF series gas unit heaters are our most durable commercial heaters. Stainless steel construction on the outside and inside combined with a heavy-duty tubular heat exchanger provides maximum protection against moisture and rust making them a great option for greenhouses, processing plants, agricultural buildings, and any other area where moisture is a problem. Sterling GF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                                                      Sterling XF100 Gas Unit Heater sterling, xf100, tf100, heater, gas, propane, xf, tf, furnace, greenhouse, shop, natural, separated, combustion
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                                                                      Price: $1,299.00
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                                                                      Availability: In Stock - Usually ships in 2 to 4 days.

                                                                        - Replaces Sterling TF100 and SF100 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                                                        Sterling XF125 Gas Unit Heater sterling, xf125, tf125, heater, gas, propane, xf, tf, furnace, greenhouse, shop, natural, separated, combustion
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                                                                        Price: $1,369.00
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                                                                        Availability: In Stock - Usually ships in 2 to 4 days.

                                                                          - Replaces Sterling TF125 and SF125 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                                                          Sterling XF150 Gas Unit Heater  sterling, xf150, tf150, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
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                                                                          Price: $1,425.00
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                                                                          Availability: In Stock - Usually ships in 2 to 4 days.

                                                                            - Replaces Sterling TF150 and SF150 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                                                            Sterling XF175 Gas Unit Heater sterling, xf175, tf175, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
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                                                                            Price: $1,599.00
                                                                            Availability: In Stock - Usually ships in 2 to 4 days.

                                                                              - Replaces Sterling TF175 and SF175 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                                                              Sterling XF200 Gas Unit Heater sterling, xf200, tf200, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
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                                                                              Price: $1,729.00
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                                                                              Availability: In Stock - Usually ships in 2 to 4 days.

                                                                                - Replaces Sterling TF200 and SF200 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                                                                Sterling XF250 Gas Unit Heater sterling, xf250, tf250, heater, gas, propane, tf, xf, furnace, greenhouse, shop, natural, warehouse, beacon, morris
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                                                                                Price: $1,889.00
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                                                                                Availability: In Stock - Usually ships in 2 to 4 days.

                                                                                  - Replaces Sterling TF250 and SF250 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                                                                  Sterling XF300 Gas Unit Heater sterling, xf300, tf300, heater, gas, propane, tf, xf, furnace, greenhouse, shop, natural, warehouse, beacon, morris
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                                                                                  Price: $2,259.00
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                                                                                  Availability: Factory Direct - Usually ships in 3 to 4 weeks.

                                                                                    - Replaces Sterling TF300 and SF300 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                                                                    Sterling XF400 Gas Unit Heater sterling, xf400, tf400, heater, gas, propane, tf, xf, furnace, greenhouse, shop, natural, warehouse, beacon, morris
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                                                                                    Price: $2,629.00
                                                                                    Availability: Factory Direct - Usually ships in 3 to 4 weeks.

                                                                                      - Replaces Sterling TF400 and SF400 heaters - The Sterling XF series gas unit heaters replace the TF and SF series heaters and combine them into one unit that can be vented as standard open combustion (Exhaust pipe only) or separated combustion (Using both an exhaust and intake pipe). They are a great heating option for large greenhouses, warehouses, commercial structures, etc. Sterling XF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic...

                                                                                      SureStat TS110 Waterproof Heating / Cooling Thermostat
                                                                                      Sale!
                                                                                      Retail: $42.89
                                                                                      Price: $35.95
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                                                                                      Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                      Item #: 4820930 -

                                                                                        SureSTAT TS110 thermostats have a watertight enclosure making them an excellent option for wet environments. The single stage thermostat can be used to automatically control ventilation fans or heaters. This thermostat was developed with the harsh greenhouse environment in mind. Temperature coil is stainless steel to prevent corrosion. SPDT switch. Wiring required. SureStat Thermostat Features Wide temperature range: 30° to 110° F Fixed 3 degree temperature differential Can be used with...

                                                                                        SureStat TS116 Plug In Portable Thermostat Control thermostat, plug, in, portable, control, heater, fan, greenhouse, garage, shop, room, home, ac, 4820940, 4820945
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                                                                                        Retail: $59.95
                                                                                        Price: $48.95
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                                                                                        (23)
                                                                                        Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                        Item #: 48209 -

                                                                                          This single stage thermostat comes prewired with an 6' grounded Plug-in power cord. Simply plug the thermostat into a standard 110/120 volt outlet. Then plug any 110/120 volt appliance into the outlet on the plug of the thermostat. Select heating thermostat to control a heater or cooling thermostat to control fans and/or louvers. *Plug-in thermostats can not be used with our gas heaters. They require 24 volt thermostats. SureStat Thermostat FeaturesWide temperature range: 30° to 110° FFixed 3...

                                                                                          Williams DV Heater Vent Extension Kit
                                                                                          Price: $99 - $118
                                                                                          Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                          Item #: 410017 -

                                                                                            Williams DV heater vent extensions allow the heaters to be vented through walls over 9" thick. Kits are availabe in 15" and 24" lengths. 24" is the maximum venting distance allowed for the DV heaters. Kit Specifications Model 9301 - 15" extension for DV22 & DV30 heatersModel 9302 - 24" extension for DV22 heaterModel 9303 - 24" extension for DV14 & DV30 heatersModel 9304 - 15" extension for DV14 heater Item # 410017, 4100170, 4100172, 4100174, 4100176 ...

                                                                                            JDDT1 Adjustable Digital Thermostat (Wired) thermostat, water, proof, greenhouse, remote, sensor, j&d, temperature, control, digital, adjustable
                                                                                            Price: $105.00
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                                                                                            (2)
                                                                                            Availability: Factory Direct - Usually ships in 2 to 4 days.
                                                                                            Item #: 4820075 -

                                                                                              This thermostat is very accurate and can be used to control heating or cooling equipment. It has a NEMA 4X waterproof enclosure which was developed with harsh greenhouse environments in mind (it can even be used outdoors). The JDDT1 thermostat has a 10' waterproof temperature sensor which allows you to control temperatures remotely, and it retains settings in memory in case of power failure. The current temperature is shown on the digital display when thermostat is on. Digital Thermostat...

                                                                                              Portable Thermostatic Outlets
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                                                                                              Retail: $21.95
                                                                                              Price: $15.95
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                                                                                              Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                              Item #: 48202 -

                                                                                                Need an inexpensive and simple thermostat? Thermostatic outlets are the answer. These unique devices plug into a standard electrical outlet and have an internal preset thermostat. Outlets come in two models. The Cooling outlet supplies power at 78° and cuts off at 70° and works great for all types of fans including exhaust, circulation, window, attic, and ceiling fans. The Heating outlet supplies power at 35° and cuts off at 45° and is great for automating heaters to keep room temperatures...

                                                                                                RobertShaw Programmable Heating Thermostat thermostat, heating, low, voltage, programmable, digital, thermastat, best, heater, heat, 24, robertshaw, robert, shaw
                                                                                                Price: $34.95
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                                                                                                Availability: In Stock - Usually ships in 1 to 2 days.
                                                                                                Item #: 4820085 -

                                                                                                  The Robertshaw programmable thermostat can control any of our gas heaters with ease. It is easy to program and helps you save money on energy costs by allowing you to set back the temperature during the night or when you’re away. Convenient 5/1/1 day programming lets you customize your weekday and weekend schedule based on your needs. Unit also allows an appliance to be cut off when you do not want it to be thermostatically controlled. Features a large easy-to-read LCD display with backlight....