Building Science: How NOT to Retrofit a Furnace in Spray Foam-Insulated Attics

March 11, 2015

Sometimes homeowners invest a lot in insulating their attic, but don’t budget sealed combustion equipment into the retrofit.

The Energy Vanguard Blog an incorrect workaround that could have been done by either the HVAC contractor or spray foam installer, a mistake that may be guaranteeing the opposite of what they were aiming for.

Find out what was done wrong at The Energy Vanguard Blog.

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