Sterling XF gas heaters are an excellent option for heating large greenhouses, warehouses, and shops. These heaters are certified for commercial and industrial use and come setup for your choice of propane or natural gas operation. Sterling gas heaters are made in the USA. TF heaters have been discontinued and replaced by the XF model.

Sterling XF Gas Heater Features

  • BTU Range: 100,000 to 400,000 BTUs
  • Heater Efficiency: 83%
  • Automatic direct spark ignition (standard)
  • Power vented exhaust (standard)
  • Separated combustion capable
  • Overhead hanging heater
  • Can be automated with a thermostat

Products 1-16 of 16
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Sterling XF100 Gas Unit Heater sterling, xf100, tf100, heater, gas, propane, xf, tf, furnace, greenhouse, shop, natural, separated, combustion
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Price: $1,029.00
Availability: In Stock - Usually ships in 2 to 4 days.

    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,...

    Sterling XF125 Gas Unit Heater sterling, xf125, tf125, heater, gas, propane, xf, tf, furnace, greenhouse, shop, natural, separated, combustion
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    Price: $1,089.00
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    Availability: In Stock - Usually ships in 2 to 4 days.

      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,...

      Sterling XF150 Gas Unit Heater  sterling, xf150, tf150, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
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      Price: $1,135.00
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      Availability: In Stock - Usually ships in 2 to 4 days.

        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,...

        Sterling XF175 Gas Unit Heater sterling, xf175, tf175, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
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        Price: $1,279.00
        Availability: In Stock - Usually ships in 2 to 4 days.

          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,...

          Sterling XF200 Gas Unit Heater sterling, xf200, tf200, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
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          Price: $1,395.00
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          (1)
          Availability: In Stock - Usually ships in 2 to 4 days.

            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,...

            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: $1,535.00
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            (2)
            Availability: In Stock - Usually ships in 2 to 4 days.

              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,...

              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: $1,799.00
              Availability: Factory Direct - Usually ships in 3 to 4 weeks.

                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,...

                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: $2,179.00
                Availability: Factory Direct - Usually ships in 3 to 4 weeks.

                  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,...

                  Sterling TF100 Gas Heater  sterling, tf, 100, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
                  Price: N/A
                  Availability: This has been replaced by the Sterling XF heater

                    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...

                    Sterling TF125 Gas Heater sterling, tf, 125, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
                    Price: N/A
                    Availability: This has been replaced by the Sterling XF heater

                      UPDATEThis heater has been replaced by the Sterling XF125 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...

                      Sterling TF150 Gas Heater  sterling, tf150, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris
                      Price: N/A
                      review-star review-star review-star review-star review-star
                      (1)
                      Availability: This has been replaced by the Sterling XF heater

                        UPDATEThis heater has been replaced by the Sterling XF150 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...

                        Sterling TF175 Gas Heater sterling, tf, 175, heater, gas, propane, tf, furnace, greenhouse, shop, natural, commercial, beacon, morris
                        Price: N/A
                        Availability: This has been replaced by the Sterling XF heater

                          UPDATEThis heater has been replaced by the Sterling XF175 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...

                          Sterling TF200 Gas Heater  sterling, tf, 200, heater, gas, propane, tf, furnace, greenhouse, shop, natural, commercial, beacon, morris
                          Price: N/A
                          Availability: This has been replaced by the Sterling XF heater

                            UPDATEThis heater has been replaced by the Sterling XF200 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...

                            Sterling TF250 Gas Heater sterling, tf, 250, heater, gas, propane, tf, furnace, greenhouse, shop, natural, commercial, beacon, morris
                            Price: N/A
                            Availability: This has been replaced by the Sterling XF heater

                              UPDATEThis heater has been replaced by the Sterling XF250 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...

                              Sterling TF400 Heater
                              Price: N/A
                              review-star review-star review-star review-star review-star
                              (1)
                              Availability: This has been replaced by the Sterling XF heater

                                UPDATEThis heater has been replaced by the Sterling XF300 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...

                                Sterling TF400 Heater
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                                Sale!
                                Price: $1,839.00
                                Availability: In Stock - Usually ships in 1 to 2 days.

                                  UPDATEThis heater has been replaced by the Sterling XF400 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...