PDX_04_Environmental Effects Equations Flashcards by Dickinson Donner | Brainscape

Q

Uvalue of a wall

A

(Uwindow x Awindow)+(Uwall x Awall)

/ Atotalwall

Measured in BTU/Hr ft² °F

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Q

1/Rvalue

A

Uvalue

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Q

Rvalue

A

Thickness of material

/ Thermal conductivity (k)

1/Uvalue

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Q

CFM

A

(Space volume) x ACH / (60min/hr)

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