What’s R Value?

Is the cold winter air finding its way into your house? Thinking about adding insulation? Your furnace and air conditioner account for up to 70% of the energy costs of your home, so it makes sense to insulate and reduce your bills. When buying insulation, you’ll see R Value on the package. The R Value indicates the resistance to heat flow…the higher the R Value, the greater the effectiveness of the insulation. The R Value depends on the type of material, its thickness and its density. Different forms of insulation can be used together. For example: it’s easy to install rolled insulation yourself between floor and wall joists; but you should have a professional blow in loose-fill insulation or spray foam insulation in cavities. So how much insulation do you need and what R Value should you get? Check out this handy guide from the U.S. Department of Energy:


Of course, you can always call Blass Residential Services for an energy audit and professional installation of your insulation. But whichever way you decide to go, adding insulation will reduce your energy bills and save our natural resources.

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