25,000 BTU Electric Heater; 240V, 31A, 7.5KW.

These energy-efficient heaters are our first choice for most residential greenhouse applications because they are very reliable and can be conveniently located under a bench at one end of the greenhouse where its heat will rise up through your plants, keeping the roots warm.

240V electric heaters require an external wall-mount thermostat (as below).

17,000 BTU Electric Heater; 240V, 21A, 5KW.

These energy-efficient heaters are our first choice for most residential greenhouse applications because they are very reliable and can be conveniently located under a bench at one end of the greenhouse where its heat will rise up through your plants, keeping the roots warm.

240V electric heaters require an external wall-mount thermostat (as below).

10,000 BTU Electric Heater; 240V, 13A, 3.3KW.

These energy-efficient heaters are our first choice for most residential greenhouse applications because they are very reliable and can be conveniently located under a bench at one end of the greenhouse where its heat will rise up through your plants, keeping the roots warm.

240V electric heaters require an external wall-mount thermostat (as below).

Not all thermostats are the same. We recommend only the best quality for reliable operation. These line voltage thermostats are designed for the high humidity environments of a greenhouse.

• Wall Mount Thermostat Control
• Waterproof
• Heating or Cooling
• single-stage Control
• 110V or 240V

36,000 BTU Modine HD 45

Gas heaters are the most popular style of heating systems for large greenhouses and those where natural gas or propane lines are conveniently accessed.  The Modine units are professional quality and specifically designed for greenhouse applications.  110V electric power and a 3” exhaust ventilation kit (AVAILABLE SEPARATELY BELOW) are required for each unit.  Forced air exhaust allows you to locate the vent horizontally through a sidewall, or vertically through the roof.

Add To Cart and select NATURAL GAS or PROPANE.

24,000 BTU Modine HD 30

Gas heaters are the most popular style of heating systems for large greenhouses and those where natural gas or propane lines are conveniently accessed.  The Modine units are professional quality and specifically designed for greenhouse applications.  110V electric power and a 3” exhaust ventilation kit (AVAILABLE SEPARATELY BELOW) are required for each unit.  Forced air exhaust allows you to locate the vent horizontally through a sidewall, or vertically through the roof.

Add To Cart and select NATURAL GAS or PROPANE.

For Modine gas heaters.  Includes 3” Type B double-wall connector, exhaust pipe (12” long), endcap and clamp for horizontal installation. 90 degree elbows and additional pipe available for vertical installation – call us.

20,000 BTU Southern Burner available for either NATURAL GAS or PROPANE.

This ventless gas heater burns with high efficiency and does not require an exhaust vent (but it does require a source of fresh air intake). The biggest advantage of this style heater is that it does not require electricity. We’ve tested it and this is one of the only only ventless gas heater that works reliably in our greenhouses.

The Southern Burner Greenhouse Heater is a reliable, commercial-quality heater that works well in residential greenhouses. It includes a millivolt control wall-mount thermostat that does not require electricity. A three inch air intake is required (AVAILABLE SEPARATELY; BELOW).