Heating

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,...

Need help sizing a heater for your greenhouse? Use our Greenhouse Heater Size Calculator This 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. 12.5 amps, 1500...

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 with our best selling Surestat TS110 thermostat. This kit gives you an adjustable 30° to 110° temperature range and allows you to place the thermostat wherever you want...

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...

Need help sizing a heater for your greenhouse? Use our Greenhouse Heater Size Calculator This 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 chain for optional...

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. Cables can heat the soil 10-15° F above the air temperature. All connections are sealed and waterproof. Each heating cable includes installation...

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...

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 heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition, low profile design, and quiet operation. 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...

Modine Hot Dawg heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition, low profile design, and quiet operation. 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...

Modine Hot Dawg heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition, low profile design, and quiet operation. 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...

Modine Hot Dawg heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition, low profile design, and quiet operation. 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...

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 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 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 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 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...

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...

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...

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...

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°. ...

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...

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.

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

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

Recommended for greenhouse use. This heating thermostat has a probe which allows heating mats and cables to maintain a constant soil temperature in cold weather conditions. Used with heating mats or heavy-duty soil heating cables to maintain optimum rooting temperatures for faster seedling or cutting growth. 110/120 volt electricity required. (1000 watt max)Features 68° to 108° F temperature rangeDisplays current soil temperatureIncludes 5' grounded power cordComes with a 5' remote temperature...

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 heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition, low profile design, and quiet operation. 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...

Modine Hot Dawg heaters are an affordable way to heat your garage, shop, greenhouse, or barn. Modine HD heaters feature direct spark ignition, low profile design, and quiet operation. 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...

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 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...

The Sterling Nexus series gas unit heaters are the most efficient and advanced unit heaters available! They are the only +90% efficient unit heaters that come standard with: Modulating controls which allow the heaters to vary their output anywhere from 35% to 100% of capacity. Modulation is automatically handled by the heater, so no special thermostat is needed. Up to 99% efficiency can be obtained at its lowest output!Stainless steel casing and heat exchanger provides maximum protection...

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...

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 system for dependable worry-free operation,...

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 system for dependable worry-free operation,...

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 system for dependable worry-free operation,...

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 system for dependable worry-free operation,...

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 system for dependable worry-free operation,...

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 system for dependable worry-free operation,...

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 system for dependable worry-free operation,...

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 system for dependable worry-free operation,...

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 ...

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. FeaturesHuge temperature...

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. Comes with 6' plug in...

This thermostat can be used with heating and/or cooling appliances and adds both an on/off switch which allows it to cut the appliance off when not in use and auto fan switch which allows you to run the fan on heaters like the Modine and Sterling units continuously and act as a circulation fan. A useful feature in the summer and winter.Thermostat has a temperature range of 50° to 90° F, a separate thermometer display for determining room temperature, and require wiring.Features50° to 90° F...

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...

Concentric vents make it easier to have a two-pipe installation for high efficiency furnaces. These vents simplify installation and only require one hole through the wall or roof where the pipes terminate. Without using these vents, the installation would require cutting two holes through the home, one for each pipe. These vents save time and money by reducing the amount of work required. Available in 2", 3", or 4" intake vent sizes. Vent Size Fits Nexus Models 2" HU50, HU100, HU150 3" HU200...

UPDATEThis heater has been replaced by the Sterling XF100 heater. Click here to view the updated version.The Sterling TF series gas unit heaters are a heating great option for large greenhouses, warehouses, commercial structures, etc. Sterling TF heaters feature: tubular heat exchanger, power exhaust system, electronic ignition, advanced diagnostic system for dependable worry-free operation, lots of safety features, corrosion and rust resistant aluminized steel components for dependable...