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Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections.

 
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  #1  
Old 4/1/08, 12:31 AM
thance thance is offline
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Default Electric Forced Air Furnace

Why would a strong flow of air be coming out of the cool air return grill in an electric forced air furnace? All heat registers function well. Thanks.
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Old 4/1/08, 2:40 AM
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David A. Andersen David A. Andersen is offline
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Default Re: Electric Forced Air Furnace

Detached duct and high winds?
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Old 4/1/08, 5:46 AM
Brian A. MacNeish Brian A. MacNeish is offline
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Default Re: Electric Forced Air Furnace

Detached/ closed off return duct with cool air from rim joists/floor cavities going to another operating return register. This area of the house is under negative pressure in relation to areas with operating supply ducts/grilles.
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