The higher the R-value, the more the resistance and the better the material is at insulating a home. Generally, insulation materials with higher R-values cost more when compared to those with ...

Homes and buildings need insulation to control inside temperatures. Are you getting the best value for your project? Here's a look at how R-Value affects what you pick. R-Value, also known as ...

You can quickly check the climate zone for your home with this detailed Energy Star map. Once you find your zone on the map, you can then use the R-value insulation chart below to determine the ...

Q: I read in a column of yours that home insulation should have a “proper R-value.” What does that mean? — Doris L., Pittsburgh A: R-value refers to the level of resistance to heat flow that ...

That’s why we’re presenting a primer on insulation ratings of common materials, and the best locations to install them in your home. R-Value: Measuring insulation ratings R-value is the ...

R-value is the "resistance of heat transfer" found in home insulation. Every region of the country has a DOE-recommended minimum R-value rating. Las Vegas has an R-30 rating, while Minneapolis is ...