What R
The best home insulation for cold climates depends on your climate zone, with colder northern regions needing R-49 or higher for attics. Your home's existing insulation level affects how much new material you need , so layering additional insulation can help you reach the recommended R-value .
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 . Learn how to take action today and Rule Your Attic! with ENERGY STAR.
All About Insulation R
Learn all about insulation R-values and how they help keep your home cozy and save energy. Find everything you need to know with these insulation R-value charts.
What R-value Do I Need ? Depending on where you live and the part of your home you're insulating (walls, crawlspace, attic, etc.), you'll need a different R-Value . Typical recommendations for exterior walls are R-13 to R-23, while R-30, R-38 and R-49 are common for ceilings and attic spaces.
Insulation R
Find Insulation Pros R-Values by Insulation Type There are many types of insulation products to choose from, and each offers different R-values . Knowing the typical ranges can help you choose what's right for your home . Fiberglass Fiberglass is the most common option. It's easy to install and budget-friendly. It works well for attics, walls, and floors, and it's a good fit for homeowners ...
The first step in evaluating your home's insulation is to determine what R-value is present in your home . To do so, it is recommended that you contact a qualified home energy auditor or a local utility company (such as Columbia Gas) to check insulation and air sealing of your home .
Insulation R
Quick Answer: R-value measures insulation's resistance to heat flow — higher numbers mean better insulating performance. Closed-cell spray foam tops the chart at R-6.0 to R-7.0 per inch, while standard fiberglass batts deliver R-3.0 to R-3.7 per inch. Most homes need R-49 to R-60 in the attic, R-13 to R-23 in walls, and R-13 to R-38 in floors, depending on climate zone.
Find the right insulation R-value for your home . R-value requirements by climate zone for attics, walls, and floors. Compare fiberglass, cellulose, and spray foam.
How Much Attic Insulation Do I Need R
Learn how much attic insulation you need by climate zone. Find R-value requirements, insulation depth charts, and signs your attic is under-insulated.
Enter your ZIP code to find the recommended R-values for your climate zone. Get IECC code minimums and Energy Star recommendations for attic, wall, floor, and basement insulation .