Air Conditioning Contractors of America Discussions (2)

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Manual J & Attic calculations

Can anyone tell me how / if Manual J differentiates between attic floor insulation and insulated roof decks?

Started by Robert DV

3 Apr 11, 2013
Reply by Robert DV

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Has anyone done a combustion analysis on a relatively current furnace? Is a 90 truly a 90? Or are the numbers done in lab-like conditions t…

Started by randy tolowski

3 Apr 10, 2012
Reply by Christopher Morin

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Craig Bird replied to Hal Skinner's discussion What this RCC will do on an exterior wall compared to standard paint. in the group The RCC Classroom (Radiant Control Coatings)
"I agree and studies done will agree with you in those cases too - it makes sense when there is…"
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Hal Skinner replied to Hal Skinner's discussion What this RCC will do on an exterior wall compared to standard paint. in the group The RCC Classroom (Radiant Control Coatings)
"You might want to check out this discussion in my…"
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Craig Bird replied to Hal Skinner's discussion What this RCC will do on an exterior wall compared to standard paint. in the group The RCC Classroom (Radiant Control Coatings)
"In this scenario the walls were made of R35 rigid foam. Even if ex-employee of big energy company…"
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Craig Bird replied to Hal Skinner's discussion What this RCC will do on an exterior wall compared to standard paint. in the group The RCC Classroom (Radiant Control Coatings)
"Actually emissivity rating doesn't make much of a difference between coatings because almost…"
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