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Heating

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.

CATEGORIES

Electric Heaters

Modine Gas Heaters

Sterling Gas Heaters

Williams Gas Heaters

Products 49-96 of 143

SureStat TS200 2 Stage Thermostat Control thermostat, 2, two, stage, control, heating, cooling, water, proof, tight, weather, greenhouse, wet

SureStat TS200 2 Stage Thermostat Control

Price: $59.95

(2)

SureStat TS306H Portable Thermostat + Remote Sensor thermostat, water, proof, greenhouse, remote, sensor, surestat, temperature, control, plug, in, portable, heat

SureStat TS306H Portable Thermostat + Remote Sensor

Price: $55.95

(1)

White Rodgers Low Voltage Heating Thermostat heater, thermostat, low, voltage, 24, millivolt, gas, Lux, mechanical, control, modine, sterling, williams

White Rodgers Low Voltage Heating Thermostat

Price: $25.95

(1)

2 Stage RobertShaw Programmable Thermostat thermostat, heating, low, voltage, programmable, digital, thermastat, best, heater, heat, 24, robertshaw, robert, shaw

2 Stage RobertShaw Programmable Thermostat

Price: $69.95

Honeywell 2 Stage Thermostat

Honeywell 2 Stage Thermostat

Price: $99.00

Quick Sling Flush Mount Hanging Kit

Quick Sling Flush Mount Hanging Kit

Price: $155.00

(4)

Quick Sling U Mount Hanging Kit

Quick Sling U Mount Hanging Kit

Price: $169.00

Sterling GG Category 3 Horizontal Vent Kits sterling, gg, beacon, morris, vent, kit, category, horizontal, stainless, steel, flue, exhaust, cat, III, mr, big, maxx, heatstar, dayton

Sterling GG Category 3 Horizontal Vent Kits

Price: $360 - $375

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Sterling GG Concentric Vent Kit sterling, gg, beacon, morris, concentric, vent, kit, flue, exhaust, separated, combustion, sealed, AS-X7-4, AS-X7-5, ASX7

Sterling GG Concentric Vent Kit

Price: $319 - $419

(5)

SureStat T110 Weatherproof Heating / Cooling Thermostat thermostat, water, proof, greenhouse, remote, sensor, surestat, temperature, control

SureStat T110 Weatherproof Heating / Cooling Thermostat

Price: $44.95

(9)

SureStat T118P Plug In Portable Heating Thermostat thermostat, plug, in, prewired, cord, line, voltage, heater, fan, cooling, control, portable, 110, 120

SureStat T118P Plug In Portable Heating Thermostat

Price: $55.95

(5)

Vertical Pipe Kit for Sterling Concentric Vent sterling, gg, concentric, vent, kit, flue, exhaust, ,vertical, pipe, beacon, morris, venting, heater, gas

Vertical Pipe Kit for Sterling Concentric Vent

Price: $425 - $469

45 Degree Elbow Set for Concentric Vent

45 Degree Elbow Set for Concentric Vent

Price: $82 - $95

(2)

Gas Heater Category 3 Horizontal Vent Kits modine, heater, hd, hot, vent, kit, exhaust, category, 3, III, stainless, steel, UL, 1738, system venting, pipe, package, mr, big, maxx, MHU50, MHU80, MHU125, MHU, heatstar, enerco, dayton, lennox

Gas Heater Category 3 Horizontal Vent Kits

Price: $269 - $305

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Horizontal Pipe Kit for Sterling Concentric Vent sterling, gg, beacon, morris, concentric, vent, kit, flue, exhaust, pipe, horizontal, category, 3, UL, stainless

Horizontal Pipe Kit for Sterling Concentric Vent

Price: $265 - $299

(7)

Sterling TF / XF / GF Category 3 Horizontal Vent Kit sterling, tf, xt, beacon, morris, vent, kit, category, horizontal, stainless, steel, flue, exhaust, cat, III, dayton

Sterling TF / XF / GF Category 3 Horizontal Vent Kit

Price: $449.00

(2)

Sterling TF / XF Category 1 Horizontal Vent Kit sterling, vent, kit, tf, heater, horizontal, pipe, greenhouse, xf, category, 1, one, galvanized, duct

Sterling TF / XF Category 1 Horizontal Vent Kit

Price: $159 - $169

(1)

Sterling XF Concentric Vent Kit sterling, xf, concentric, vent, kit, flue, exhaust, separated, combustion, sealed, X7-H5, X7-H6, X7-V5, X7-V6

Sterling XF Concentric Vent Kit

Price: $375 - $975

5" Stainless Steel Category 3 Vent Wall Pass Through strap, strapping, hanging, secure, vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category

5" Stainless Steel Category 3 Vent Wall Pass Through

Price: $108.00

Stainless Steel Category 3 Adjustable Length Vent Pipe vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category

Stainless Steel Category 3 Adjustable Length Vent Pipe

Price: $63 - $111

Stainless Steel Category 3 Heater Vent Adapter vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, adapter

Stainless Steel Category 3 Heater Vent Adapter

Price: $49 - $53

Stainless Steel Category 3 Standard Vent Pipe vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category

Stainless Steel Category 3 Standard Vent Pipe

Price: $34 - $90

(6)

Stainless Steel Category 3 Vent 30 Degree Elbow vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, elbow, 30, degree

Stainless Steel Category 3 Vent 30 Degree Elbow

Price: $69 - $83

Stainless Steel Category 3 Vent 45 Degree Elbow vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, elbow

Stainless Steel Category 3 Vent 45 Degree Elbow

Price: $74 - $90

Stainless Steel Category 3 Vent 5" Universal Drain vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, drain, condensate

Stainless Steel Category 3 Vent 5" Universal Drain

Price: $110.00

Stainless Steel Category 3 Vent 90 Degree Elbow vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, elbow

Stainless Steel Category 3 Vent 90 Degree Elbow

Price: $87 - $108

Stainless Steel Category 3 Vent Adjustable Wall Thimble + Pipe vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, thimble

Stainless Steel Category 3 Vent Adjustable Wall Thimble + Pipe

Price: $108 - $125

Stainless Steel Category 3 Vent Drip Tee vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, tee, drip

Stainless Steel Category 3 Vent Drip Tee

Price: $66 - $75

Stainless Steel Category 3 Vent Firestop Flashing vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, flashing

Stainless Steel Category 3 Vent Firestop Flashing

Price: $37.00

Stainless Steel Category 3 Vent Screened Termination Tee vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, tee, termination

Stainless Steel Category 3 Vent Screened Termination Tee

Price: $53 - $138

Stainless Steel Category 3 Vent Storm Collar vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, storm, collar

Stainless Steel Category 3 Vent Storm Collar

Price: $31 - $33

Stainless Steel Category 3 Vent Tee vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, tee

Stainless Steel Category 3 Vent Tee

Price: $67 - $81

Stainless Steel Category 3 Vent Tee Condensate Cap vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, tee, condensate, cap

Stainless Steel Category 3 Vent Tee Condensate Cap

Price: $35 - $37

Stainless Steel Category 3 Wall Thimble Extension

Stainless Steel Category 3 Wall Thimble Extension

Price: $29 - $40

(1)

120v Standing Pilot Gas Valve for Modine Heaters modine, hot, dawg, hd, dog, part, gas, valve, standing, pilot, 120, volt, line, voltage, control

120v Standing Pilot Gas Valve for Modine Heaters

Price: $239.00

(2)

24v Standing Pilot Gas Valves for Modine Heaters gas, valve, PD, PAE, PA, PV, PDP, modine, part, heater, gas, model, replacement, honeywell, pilot, standing, 4034200, 4034202, 4034203, 4034204

24v Standing Pilot Gas Valves for Modine Heaters

Price: $159 - $259

(3)

3/4" x 10 Stainless Steel Strapping strap, strapping, hanging, secure, vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category

3/4" x 10' Stainless Steel Strapping

Price: $16.95

Americap Horizontal High Wind Vent Terminal Sterling, vent, terminal, amerivent, americap, cap, 4620055, 4620060

Americap Horizontal High Wind Vent Terminal

Price: $29 - $37

Concentric Vent Combustion / Inlet Air Elbow inlet, combustion, air. vent, flue, duct, pipe, furnace, exhaust, gas, sterling, heater, category, elbow

Concentric Vent Combustion / Inlet Air Elbow

Price: $8 - $9

Concentric Vent Combustion / Inlet Air Pipe inlet, combustion, air. vent, flue, duct, pipe, furnace, exhaust, gas, sterling, heater, category

Concentric Vent Combustion / Inlet Air Pipe

Price: $10 - $16

Concentric Vent Inlet Tee and Cap

Concentric Vent Inlet Tee and Cap

Price: $35 - $39

Concentric Vent Roof Flashing

Concentric Vent Roof Flashing

Price: $35 - $39

Concentric Vent Storm Collar concentric, vent, collar, 7, 9, inch, 4620510, 4620511

Concentric Vent Storm Collar

Price: $10 - $12

Modine Heater 24v Transformer PD, PAE, PA, PV, PDP, modine, part, heater, gas, model, replacement, transformer, xformer, 24, low, voltage, 5H71956-1

Modine Heater 24v Transformer

Price: $59.00

Modine Heater Blocked Vent Switch PD, PAE, PA, PV, PDP, modine, part, heater, gas, model, replacement, blocked, vent, switch, 5H73057

Modine Heater Blocked Vent Switch

Price: $39 - $59

(2)

Modine Heater Conversion to Natural Gas Kits PA, BA, pae, pv, pd, pdp, modine, part, heater, gas, model, replacement, conversion, kit, natural

Modine Heater Conversion to Natural Gas Kits

Price: $89 - $105

(3)

Modine Heater Conversion to Propane Kits PD, PAE, PA, PV, PDP, modine, part, heater, gas, model, replacement, conversion, kit, propane, natural, lp

Modine Heater Conversion to Propane Kits

Price: $85 - $115

(12)

Modine Heater Fan Delay Timer PD, PAE, PV, PDP, modine, part, heater, gas, model, replacement, fan, timer, delay, relay, 5H73035

Modine Heater Fan Delay Timer

Price: $49 - $84

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