Units - Building Systems Flashcards
1
Q
ACH
A
Air Changes per Hour
2
Q
BTU
A
British Thermal Unit
The quantity of heat required to raise the temperature of 1 lb. of water 1oF
3
Q
Qconvection/conduction
units
A
BTU / hr
4
Q
R-value
units
A
hr ft2 oF / BTU
5
Q
U-value
units
A
BTU / hr ft2 oF