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Are R-15 and R-11 very different in term of energy savings?

I have two different doors with different R-ratings for energy efficiency? Is there really a big difference in energy savings between a R-11 and a R-15 rating?

Not really, but if you are going to choose which is more officiant, then go with the R-15

Mike
 

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Truth - January 3, 2009

Not really, but if you are going to choose which is more officiant, then go with the R-15
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