Chemistry, 26.11.2019 17:31 sirinapadeangel
The heat loss through a window (r-2) is 10 mmbtu/year. calculate the payback period (in years) if argon is filled in the window to increase the effective r-value of the window to 10. assume heating price to be $10/mmbtu and the cost for filling argon is $20.
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The heat loss through a window (r-2) is 10 mmbtu/year. calculate the payback period (in years) if ar...
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