Plenum Heaters

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Enhance your central heating system with a plenum heater. At 100% efficiency, plenum heaters are a great way to turn your gas or oil furnace into a dual-fuel system to help you save money on energy bills. Buy a plenum heater today!
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Model Number EH-U20-8 is the Number 1 Seller
Learn More About Electro Industries EH-U20-8
Electro Industries - EH-U20-8 - HeatChoice II Plenum Heater Electric Dual-Heat Furnace Conversion - Upflow - 18 Inches Wide - 20 kW - 240 V
100% Buy This
$1,288.10
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EH-D10-5
Electro Industries - EH-D10-5 - HeatChoice II Plenum Heater Electric Dual-Heat Furnace Conversion - Downflow - 15 Inches Wide - 10 kW - 240 V
$1,017.50
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EH-D15-5
Electro Industries - EH-D15-5 - HeatChoice II Plenum Heater Electric Dual-Heat Furnace Conversion - Downflow - 15 Inches Wide - 15 kW - 240 V
$1,210.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EH-D20-5
Electro Industries - EH-D20-5 - HeatChoice II Plenum Heater Electric Dual-Heat Furnace Conversion - Downflow - 15 Inches Wide - 20 kW - 240 V
$1,339.80
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EH-D10-8
Electro Industries - EH-D10-8 - HeatChoice II Plenum Heater Electric Dual-Heat Furnace Conversion - Downflow - 18 Inches Wide - 10 kW - 240 V
$1,017.50
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EH-D15-8
Electro Industries - EH-D15-8 - HeatChoice II Plenum Heater Electric Dual-Heat Furnace Conversion - Downflow - 18 Inches Wide - 15 kW - 240 V
$1,210.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EH-D20-8
Electro Industries - EH-D20-8 - HeatChoice II Plenum Heater Electric Dual-Heat Furnace Conversion - Downflow - 18 Inches Wide - 20 kW - 240 V
$1,339.80
Factory-Direct
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EH-U10-5
Electro Industries - EH-U10-5 - HeatChoice II Plenum Heater Electric Dual-Heat Furnace Conversion - Upflow - 15 Inches Wide - 10 kW - 240 V
$966.90
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About Electro Industries EH-U15-5
Electro Industries - EH-U15-5 - HeatChoice II Plenum Heater Electric Dual-Heat Furnace Conversion - Upflow - 15 Inches Wide - 15 kW - 240 V
$1,159.40
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EH-U10-8
Electro Industries - EH-U10-8 - HeatChoice II Plenum Heater Electric Dual-Heat Furnace Conversion - Upflow - 18 Inches Wide - 10 kW - 240 V
$966.90
Factory-Direct
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Free Shipping
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About Electro Industries EH-U25-8
Electro Industries - EH-U25-8 - HeatChoice II Plenum Heater Electric Dual-Heat Furnace Conversion - Upflow - 18 Inches Wide - 25 kW - 240 V
$1,547.70
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WU102D8-SL2
EM-WU102D8-SL2, WarmFlo Two Stage Electric Plenum Duct Heater with Sensors - 18" Upflow, 10 kW - 34,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements
$1,571.90
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WU153D5-SL2
EM-WU153D5-SL2, WarmFlo Two Stage Electric Plenum Duct Heater with Sensors - 15" Upflow, 15 kW - 51,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements
$1,795.20
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WU204D5-SL2
EM-WU204D5-SL2, WarmFlo Four Stage Electric Plenum Duct Heater with Sensors - 15" Upflow, 20 kW - 68,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements
$1,932.70
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
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2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WU254D8-SL2
EM-WD254D8-SL2, WarmFlo Four Stage Electric Plenum Duct Heater with Sensors - 18" upflow, 25 kW - 85,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements
$2,255.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
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2% Check Discount
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2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WU254S8-SL1
EM-WU254S8-SL1, WarmFlo Electric Plenum Duct Heater with Sensors - Upflow, 25 kW, 18" wide- 85,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements,
$1,976.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WD102D5-SL2
EM-WD102D5-SL2, WarmFlo Two Stage Electric Plenum Duct Heater with Sensors - 15" Downflow, 10 kW - 34,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements
$1,626.90
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WD102D8-SL2
EM-WD102D8-SL2, WarmFlo Two Stage Electric Plenum Duct Heater with Sensors - 18" Downflow, 10 kW - 34,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements
$1,626.90
Factory-Direct
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WD102S5-SL1
EM-WD102S5-SL1, WarmFlo Electric Plenum Duct Heater with Sensors - 15" Downflow, 10 kW - 34,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements,
$1,398.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WD102S8-SL1
EM-WD102S8-SL1, WarmFlo Electric Plenum Duct Heater with Sensors - 18" Downflow, 10 kW- 34,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements,
$1,398.00
Factory-Direct
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WD153D5-SL2
EM-WD153D5-SL2, WarmFlo Two Stage Electric Plenum Duct Heater with Sensors - 15" Downflow, 15 kW - 51,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements
$1,850.20
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WD153S5-SL1
EM-WD153S5-SL1, WarmFlo Electric Plenum Duct Heater with Sensors - Downflow, 15 kW, 15" wide- 51,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements,
$1,623.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WD153S8-SL1
EM-WD153S8-SL1, WarmFlo Electric Plenum Duct Heater with Sensors - Downflow, 15 kW, 18" wide- 51,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements
$1,623.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About Electro Industries EM-WD204D5-SL2
EM-WD204D5-SL2, WarmFlo Four Stage Electric Plenum Duct Heater with Sensors - 15" Downflow, 20 kW - 68,000 BTU, Plenum and Outdoor Sensors, Modulating Heating Elements
$1,987.70
Factory-Direct
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.