Aug 17, 2011 #1 2457F Structural Joined Jun 23, 2011 Messages 25 Location US Basic Question: What R-Value is equivalent to 25 F*h*square feet/BTU? Would R-25 be equivalent to this?
Basic Question: What R-Value is equivalent to 25 F*h*square feet/BTU? Would R-25 be equivalent to this?
Aug 17, 2011 #2 IRstuff Aerospace Joined Jun 3, 2002 Messages 44,904 Location US http://en.wikipedia.org/wiki/R-value_(insulation) TTFN FAQ731-376 Chinese prisoner wins Nobel Peace Prize Upvote 0 Downvote
http://en.wikipedia.org/wiki/R-value_(insulation) TTFN FAQ731-376 Chinese prisoner wins Nobel Peace Prize
Aug 23, 2011 #3 zekeman Mechanical Joined Aug 30, 2004 Messages 1,311 Location US Yes, for the US Upvote 0 Downvote