Recommended Home Insulation R–Values - ENERGY STAR
网页R-Value is a measure of insulation’s ability to resist heat traveling through it. The higher the R-Value the better the thermal performance of the insulation. The table below shows what levels of insulation are cost-effective for different climates and locations in the home.
网页On average, you can save up to 20% on your home’s heating and cooling costs or up to 10% on its total energy costs by adding insulation to attics, floors, crawl spaces, and accessible basement rim joists, and by reducing unwanted air leaks all around your house.
All About Insulation R-Values - The Home Depot
网页Insulation ratings are measured in R-values per inch of thickness. An R-value tells you how well a type of insulation can keep heat from leaving or entering your home. R-value insulation ratings vary based on the type, thickness and density of the insulation material. Typically, a higher R-value means better climate control and better energy ...
Insulation R-Value Chart: R-Values Per Inch (For 51 Materials)
网页To help you choose adequate insulation, we have summarized the R-values of 51 most common insulation materials (check the insulation R-value chart below). The range of R-values of insulation materials spans from materials with R-10 insulation values per inch like vacuum insulated panels and silica aerosol to below R-1 values per inch like ...
What R-value Do I Need? - Johns Manville
网页Use the JM insulation calculator to determine the recommended R-value for your project, as well as how much insulation you’ll need. Plus, reference the Department of Energy’s (DOE) map of recommended levels of insulation below.
How Much Attic Insulation Do I Need? - Insulation Institute
网页How much insulation should you install? The amount of insulation recommended for your home will vary depending on a number of factors: Where you live—Different climates require different insulation R-values. You will need a higher R-value of insulation if you live in the Northeast than if you live in Southern California.
Insulation Thickness R-Value Chart & An Explanation of R-Value
网页Learn what R-Value means & which R-Value is best. Plus, learn how to read insulation thickness R-Value charts to find the best insulation for your project.
Insulation Buying Guide - Lowe's
网页2022年9月2日 — The easiest place to get a gauge on your home’s current insulation condition is in the attic. Insulation should be up to 19 inches thick (or R-49) for efficiency. If you don’t have enough insulation, your home may not be properly sealed. Adding insulation to under-insulated areas and sealing air leaks may help lower energy costs.
Insulation - Department of Energy
网页The R-value depends on the type of insulation, its thickness, and its density. The R-value of most insulations also depends on temperature, aging, and moisture accumulation. When calculating the R-value of a multilayered installation, …
Types of Insulation - Department of Energy
网页For loose-fill insulation, each manufacturer must determine the R-value of its product at settled density and create coverage charts showing the minimum settled thickness, minimum weight per square foot, and coverage area per bag for various total R-values.