Electric Duct and Plenum Heaters are installable directly into any existing duct. They serve a very useful purpose: Turning a Natural Gas or Oil Fired HVAC System into a Gas/Electric Hybrid System. Duct and Plenum Heaters work with an existing air handler or heater to split the heating work between natural gas and electric energy supply, providing optimal energy savings. We offer one of the industries finest brands: Electro Industries.
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95% DOP and HEPA/ULPA Filters 
