Thread: Combustion Air Source and Cat IV Efficiency
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Old 08-17-2007, 12:07 PM
neal lewis neal lewis is offline
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Location: Ridgewood, NJ
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Re: Combustion Air Source and Cat IV Efficiency
Quote:
Originally Posted by Michael Thomas View Post
2) There is greater heat loss up out the vent as conditioned inner combustion air is being removed from the structure.!
I can't believe that there is greater heat loss as air is going out the vent. The house is being depressurized, so that affects air infiltration. But, how does that affect the actual efficiency of the appliance itself?
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