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Sterling Gas Heaters

Sterling has been a leader in the gas heater industry for over 50 years. Sterling unit heaters are well known for being highly efficient, reliable, and durable. These gas heaters are available in sizes ranging from 30,000 to 400,000 BTUs in both standard and separated combustion setups. Whether your application is a greenhouse, garage, shop, or warehouse, Sterling has a gas heater to fit your needs. Sterling gas heaters are made in the USA.

GG Series: Low Profile Unit Heaters - 30,000 to 120,000 BTUs
AG Series: GG Stainless Steel version - 30,000 to 120,000 BTUs
XF Series: Commercial Unit Heaters - 100,000 to 400,000 BTUs
AF Series: XF Stainless Steel version - 100,000 to 400,000 BTUs

CATEGORIES

AG Heaters (Stainless)

GG / AG Venting & Accessories

AF Heaters (Stainless)

XF / AF Venting & Accessories

Sterling Gas Heater Parts

Products 1-48 of 86

Sterling AG60 Gas Heater (Stainless Steel) Ag60, Ag, sterling, gas, natural, propane, heaters, garage, shop. greenhouses, sale, unit, low, price, AG060A2NSA12, AG060A2PSA12, AG060A2NSB12, AG060A2PSB12,

Sterling AG60 Gas Heater (Stainless Steel)

Price: $1,499.00

Sterling AG75 Gas Heater (Stainless Steel) Ag75, Ag, sterling, gas, natural, propane, heaters, garage, shop. greenhouses, sale, unit, low, price, AG075A2NSA12, AG075A2PSA12, AG075A2NSB12, AG075A2PSB12,

Sterling AG75 Gas Heater (Stainless Steel)

Price: $1,569.00

Sterling AG90 Gas Heater (Stainless Steel) Ag90, Ag, sterling, gas, natural, propane, heaters, garage, shop. greenhouses, sale, unit, low, price, AG090A2NSA12, AG090A2PSA12, AG090A2NSB12, AG090A2PSB12,

Sterling AG90 Gas Heater (Stainless Steel)

Price: $1,699.00

Sterling GG30 Gas Heater gg, sterling, gg30, gas, heater, shop, furnace, unit, sale, cheap, 30,000, BTU, greenhouse, fan, garage, GG030A1NSA11, GG030A1PSA11, GG030A2NSA11, GG030A2PSA11

Sterling GG30 Gas Heater

Price: $989.00

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Sterling GG45 Gas Heater sterling, gg, gg45, gas, heater, furnace, garage, greenhouse, shop, unit, beacon, morris, cheap, sale, free, GG045A1NSA11, GG045A1PSA11, GG045A2NSA11, GG045A2PSA11

Sterling GG45 Gas Heater

Price: $1,115.00

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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

Sterling GG60 Gas Heater

Price: $1,229.00

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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

Sterling GG75 Gas Heater

Price: $1,259.00

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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

Sterling GG90 Gas Heater

Price: $1,349.00

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Sterling AF100 Gas Heater (Stainless Steel) sterling, af100, heater, gas, propane, stainless, steel, furnace, greenhouse, shop, natural, separated, combustion, agriculture

Sterling AF100 Gas Heater (Stainless Steel)

Price: $2,039.00

Sterling AF125 Gas Heater (Stainless Steel) sterling, af125, heater, gas, propane, stainless, steel, furnace, greenhouse, shop, natural, separated, combustion, agriculture

Sterling AF125 Gas Heater (Stainless Steel)

Price: $2,225.00

Sterling AF150 Gas Heater (Stainless Steel) sterling, af150, heater, gas, propane, stainless, steel, furnace, greenhouse, shop, natural, separated, combustion, agriculture

Sterling AF150 Gas Heater (Stainless Steel)

Price: $2,380.00

Sterling AF175 Gas Heater (Stainless Steel) sterling, af175, heater, gas, propane, stainless, steel, furnace, greenhouse, shop, natural, separated, combustion, agriculture

Sterling AF175 Gas Heater (Stainless Steel)

Price: $2,569.00

Sterling AF200 Gas Heater (Stainless Steel) sterling, af200, heater, gas, propane, stainless, steel, furnace, greenhouse, shop, natural, separated, combustion, agriculture

Sterling AF200 Gas Heater (Stainless Steel)

Price: $2,899.00

Sterling AF250 Gas Heater (Stainless Steel) sterling, af250, heater, gas, propane, stainless, steel, furnace, greenhouse, shop, natural, separated, combustion, agriculture

Sterling AF250 Gas Heater (Stainless Steel)

Price: $3,175.00

Sterling AF300 Gas Heater (Stainless Steel) sterling, af300, heater, gas, propane, stainless, steel, furnace, greenhouse, shop, natural, separated, combustion, agriculture

Sterling AF300 Gas Heater (Stainless Steel)

Price: $3,875.00

Sterling AF400 Gas Heater (Stainless Steel) sterling, af400, heater, gas, propane, stainless, steel, furnace, greenhouse, shop, natural, separated, combustion, agriculture

Sterling AF400 Gas Heater (Stainless Steel)

Price: $4,599.00

Sterling AG105 Gas Heater (Stainless Steel) Ag105, Ag, sterling, gas, natural, propane, heaters, garage, shop. greenhouses, sale, unit, low, price, AG105A2NSA12, AG105A2PSA12, AG105A2NSB12, AG105A2PSB12,

Sterling AG105 Gas Heater (Stainless Steel)

Price: $1,798.00

Sterling AG120 Gas Heater (Stainless Steel) Ag120, Ag, sterling, gas, natural, propane, heaters, garage, shop. greenhouses, sale, unit, low, price, AG120A2NSA12, AG120A2PSA12, AG120A2NSB12, AG120A2PSB12,

Sterling AG120 Gas Heater (Stainless Steel)

Price: $1,925.00

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

Sterling GG105 Gas Heater

Price: $1,429.00

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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

Sterling GG120 Gas Heater

Price: $1,499.00

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Sterling XF100 Gas Unit Heater sterling, xf100, tf100, heater, gas, propane, xf, tf, furnace, greenhouse, shop, natural, separated, combustion

Sterling XF100 Gas Unit Heater

Price: $1,489.00

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Sterling XF125 Gas Unit Heater sterling, xf125, tf125, heater, gas, propane, xf, tf, furnace, greenhouse, shop, natural, separated, combustion

Sterling XF125 Gas Unit Heater

Price: $1,569.00

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Sterling XF150 Gas Unit Heater sterling, xf150, tf150, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris

Sterling XF150 Gas Unit Heater

Price: $1,629.00

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Sterling XF175 Gas Unit Heater sterling, xf175, tf175, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris

Sterling XF175 Gas Unit Heater

Price: $1,819.00

Sterling XF200 Gas Unit Heater sterling, xf200, tf200, heater, gas, propane, tf, furnace, greenhouse, shop, natural, dayton, beacon, morris

Sterling XF200 Gas Unit Heater

Price: $1,980.00

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Sterling XF250 Gas Unit Heater sterling, xf250, tf250, heater, gas, propane, tf, xf, furnace, greenhouse, shop, natural, warehouse, beacon, morris

Sterling XF250 Gas Unit Heater

Price: $2,149.00

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Sterling XF300 Gas Unit Heater sterling, xf300, tf300, heater, gas, propane, tf, xf, furnace, greenhouse, shop, natural, warehouse, beacon, morris

Sterling XF300 Gas Unit Heater

Price: $2,575.00

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Sterling XF400 Gas Unit Heater sterling, xf400, tf400, heater, gas, propane, tf, xf, furnace, greenhouse, shop, natural, warehouse, beacon, morris

Sterling XF400 Gas Unit Heater

Price: $3,165.00

SureStat TS110 Waterproof Heating / Cooling Thermostat gas, controlsheating, cooling, surestat, electric, thermostatscooling, nexus, williams, heaters, thermostat, heatersgreenhouse, modine, heating, venting, controls, climate, waterproof, sterling, ts110, thermostatsheating, accessoriesheating, supplies, heatersheating

SureStat TS110 Waterproof Heating / Cooling Thermostat

Price: $44.95

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Bluefin Programmable Heating Thermostat thermostat, heating, low, voltage, programmable, digital, thermastat, best, heater, heat, 24, bluefin, robertshaw, robert, shaw

Bluefin Programmable Heating Thermostat

Price: $49.95

(4)

Greenhouse Control System with Gas Heater Relay ac, infinity, CTR69P, thermostat, controller, greenhouse, humidity, temperature, control, wifi, bluetooth, pro, 69, smart, app, phone, humidistat, timer

Greenhouse Control System with Gas Heater Relay

Price: $144 - $219

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: $64.95

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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: $74.95

QSWI1000 Quick Sling U Mount Hanging Kit quick, sling, swivel, qswi, qswi1000, hanger, heater, gas, mount, u, kit, modine, sterling, mr, big, maxx, dayton

QSWI1000 Quick Sling U Mount Hanging Kit

Price: $189.00

QSWI3000 Quick Sling Flush Mount Hanging Kit quick, sling, swivel, qswi, qswi3000, hanger, heater, gas, mount, flush, kit, modine, sterling, mr, big, maxx, dayton

QSWI3000 Quick Sling Flush Mount Hanging Kit

Price: $169.00

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Sterling GG Category 3 Heater 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 Heater Vent Kits

Price: $319 - $349

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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: $339 - $439

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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 gas, venting, for, degree, heaters, elbow, concentric, vent, accessories, heating, set, sterling

45 Degree Elbow Set for Concentric Vent

Price: $82 - $95

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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

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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: $169 - $179

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

Sterling TF / XF Category 3 Horizontal Vent Kit

Price: $419.00

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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: $497 - $1275

Modine / Sterling SS Category 3 Vent Adapters vent, flue, duct, pipe, furnace, exhaust, gas, modine, sterling, heater, category, adapter

Modine / Sterling SS Category 3 Vent Adapters

Price: $49 - $55

Stainless Steel Category 3 Adjustable Length Pipe vent, flue, duct, pipe, cat, 3, UL, 1738, stainless, steel, furnace, exhaust, gas, modine, sterling, heater, category, wall, thimble

Stainless Steel Category 3 Adjustable Length Pipe

Price: $56 - $94

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Stainless Steel Category 3 Extended Wall Thimble vent, flue, duct, pipe, cat, 3, UL, 1738, stainless, steel, furnace, exhaust, gas, modine, sterling, heater, category, wall, thimble

Stainless Steel Category 3 Extended Wall Thimble

Price: $79 - $99

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 - $87

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