Electric Duct Heaters

Electric duct heaters by industry leaders such as King Electric, Markel, Warren Technology, and Stelpro, offer a comprehensive heating solution for many different environments. Available in both open coil and finned tubular heating element design, these heaters are often used in office buildings, retail stores, warehouses, schools, hotels, and hospitals. Custom and standard units are available to provide a tailored approach to unique heating needs. With their seamless integration into existing duct systems, these heaters provide consistent warmth, energy efficiency, and optimized airflow.

Click on a sub-category below or scroll past them to see all the products in this category. You may also use the filters on the left to sort the products in this category.

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SDHR06020002DS Duct Heater/2000W/240V
Stelpro Standard Duct Heater/6 Inch Round Ducts/2000W/240 Volt With Disconnect Switch

STELPRO626296537862
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SDHR06025001 Duct Heater/2500W/120V
Stelpro Standard Duct Heater/6 Inch Round Ducts/2500W/120 Volt

STELPRO626296521526
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SDHR06025001DS Duct Heater/2500W/120V
Stelpro Standard Duct Heater/6 Inch Round Ducts/2500W/120 Volt With Disconnect Switch

STELPRO626296521557
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SDHR06025002 Duct Heater/2500W/240V
Stelpro Standard Duct Heater/6 Inch Round Ducts/2500W/240 Volt

STELPRO626296521571
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SDHR06025002DS Duct Heater/2500W/240V
Stelpro Standard Duct Heater/6 Inch Round Ducts/2500W/240 Volt With Disconnect Switch

STELPRO626296521588
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SDHR06030002DS Duct Heater/3000W/240V
Stelpro Standard Duct Heater/6 Inch Round Ducts/3000W/240 Volt With Disconnect Switch

STELPRO626296537947
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SDHR06040002DS Duct Heater/4000W/240V
Stelpro Standard Duct Heater/6 Inch Round Ducts/4000W/240 Volt With Disconnect Switch

STELPRO626296537961
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SDHR06050002DS Duct Heater/5000W/240V
Stelpro Standard Duct Heater/6 Inch Round Ducts/5000W/240 Volt With Disconnect Switch

STELPRO626296537985
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SDHR08005002DS Duct Heater/500W/240V
Stelpro Standard Duct Heater/8 Inch Round Ducts/500W/240 Volt With Disconnect Switch

STELPRO626296538005
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SDHR08010002DS Duct Heater/1000W/240V
Stelpro Standard Duct Heater/8 Inch Round Ducts/1000W/240 Volt With Disconnect Switch

STELPRO626296538029
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SDHR08015002DS Duct Heater/1500W/240V
Stelpro Standard Duct Heater/8 Inch Round Ducts/1500W/240 Volt With Disconnect Switch

STELPRO626296538050
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SDHR08020002DS Round Duct Heater
STELPRO STANDARD DUCT HEATER/8" ROUND DUCTS/2000W/240V WITH DISCONNECT SWITCH

STELPRO626296538074
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SDHR08025002 Duct Heater/2500W/240V
Stelpro Standard Duct Heater/8 Inch Round Ducts/2500W/240 Volt

STELPRO626296521748
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SDHR08025002DS Duct Heater/2500W/240V
Stelpro Standard Duct Heater/8 Inch Round Ducts/2500W/240 Volt With Disconnect Switch

STELPRO626296521755
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SDHR08030002DS Duct Heater/3000W/240V
Stelpro Standard Duct Heater/8 Inch Round Ducts/3000W/240 Volt With Disconnect Switch

STELPRO626296538098
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SDHR08040002DS Duct Heater/4000W/240V
Stelpro Standard Duct Heater/8 Inch Round Ducts/4000W/240 Volt With Disconnect Switch

STELPRO626296538111
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SDHR08050002DS Duct Heater/5000W/240V
Stelpro Standard Duct Heater/8 Inch Round Ducts/5000W/240 Volt With Disconnect Switch

STELPRO626296538135
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SDHR08060002DS 6000W 24V w/DISC
Stelpro Round Collar Duct Heater (SDHR) for preheating ventilation air or for heating a room. 4 to 12 in round duct. Upflow or downflow position - /8Inch Round Ducts/6000 Watts/240 Volts with DISCONNECT SWITCH

STELPRO626296538159
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SDHR10005002 Duct Heater/10"/500W/240V
Stelpro Round Collar Duct Heater (SDHR) for preheating ventilation air or for heating a room. 4 to 12 in round duct. Upflow or downflow position - /10Inch Round Ducts/500 Watts/240 Volts

STELPRO626296196878
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SDHR10005002DS Duct Heater/500W/240V
Stelpro Standard Duct Heater/10 Inch Round Ducts/500W/240 Volt With Disconnect Switch

STELPRO626296538197
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SDHR10010002 Duct Heater/10"/1kW/240V
Stelpro Round Collar Duct Heater (SDHR) for preheating ventilation air or for heating a room. 4 to 12 in round duct. Upflow or downflow position - /10Inch Round Ducts/1000 Watts/240 Volts

STELPRO626296196892
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SDHR10010002DS Duct Heater/1000W/240V
Stelpro Standard Duct Heater/10 Inch Round Ducts/1000W/240 Volt With Disconnect Switch

STELPRO626296538210
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SDHR10015002 Duct Heater/10"/1500W/240V
Stelpro Round Collar Duct Heater (SDHR) for preheating ventilation air or for heating a room. 4 to 12 in round duct. Upflow or downflow position - /10Inch Round Ducts/1500 Watts/240 Volts

STELPRO626296196915
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SDHR10015002DS Duct Heater/1500W/240V
Stelpro Standard Duct Heater/10 Inch Round Ducts/1500W/240 Volt With Disconnect Switch

STELPRO626296538234
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SDHR10020002 Duct Heater/10"/2kW/240V
Stelpro Round Collar Duct Heater (SDHR) for preheating ventilation air or for heating a room. 4 to 12 in round duct. Upflow or downflow position - /10Inch Round Ducts/2000 Watts/240 Volts

STELPRO626296196939
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SDHR10020002DS Round Duct Heater
STELPRO STANDARD DUCT HEATER/10" ROUND DUCTS/2000W/240V WITH DISCONNECT SWITCH

STELPRO626296538258
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SDHR10025002 Duct Heater/2500W/240V
Stelpro Standard Duct Heater/10 Inch Round Ducts/2500W/240 Volt

STELPRO626296521984
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SDHR10025002DS Duct Heater/2500W/240V
Stelpro Standard Duct Heater/10 Inch Round Ducts/2500W/240 Volt With Disconnect Switch

STELPRO626296522035
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SDHR10030002 Duct Heater/10"/3kW/240V
Stelpro Round Collar Duct Heater (SDHR) for preheating ventilation air or for heating a room. 4 to 12 in round duct. Upflow or downflow position - /10Inch Round Ducts/3000 Watts/240 Volts

STELPRO626296196953
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SDHR10030002DS Duct Heater/3000W/240V
Stelpro Standard Duct Heater/10 Inch Round Ducts/3000W/240 Volt With Disconnect Switch

STELPRO626296538272

Electric Duct Heaters | Inline Duct Heaters, Packaged & Open Coil Duct Heaters, Make-up air units