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Uploaded by EnergySaversIreland on Jun 12, 2011
The U-value, a measure of heat loss through a material, demystified. This will help you calculate how much heat you lose through your walls, ceilings and windows.
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very good. =)
simonsolberg 3 weeks ago
thanks, good explanation :)
igloo098 3 months ago
Excellent, simple explanation! Great job, thanks for posting.
Pat19eighty4 3 months ago
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very good. =)
simonsolberg 3 weeks ago
thanks, good explanation :)
igloo098 3 months ago
Excellent, simple explanation! Great job, thanks for posting.
Pat19eighty4 3 months ago