Bay Area Energy Upgrade Attic Insulation R Value

Check what type of insulation your home has and where it is insulated and you can get a good idea of the efficiency of your insulation.

Bay area energy upgrade attic insulation r value.

For example an inch of fiberglass insulation has an r value of about 3 7 whereas sprayed polyurethane can rate above a 7. Find out if your home is elligible. How attic insulation can help to lower your energy bills. But newer homes in central and southern arizona are insulated to ratings of r 30 to r 38 while newer homes in northern arizona generally have attic insulation at r 60 because of colder winters.

Bayren is rolling out a water energy efficiency program in partnership with utilities throughout the bay area. By looking at the map here you can compare how the bay area s recommended r values zone 3 compare to the rest of the country. Existing 3 4 inches of insulation. For san francisco recommended insulation r values in an existing home are as follows.

The attic floor is filled to an r value of r 49 which provides optimal energy efficiency at 16 75 inches. The department of energy estimates that you can save up to 10 percent annually on your energy bill when you insulate your attic. The still air that is retained in the insulation helps to prevent most of the heat from escaping from one area to another. A higher r value means that the insulation material is a better insulator.

This attic features newly installed insulation and radiant barrier foil. Proper installation is the key to maximizing r value. The program provides on bill financing which means you pay for your upgrades with the savingsyou get for common water efficiency measures such as irrigation faucets and efficient toilets. Some of the upgrades that can allow you to receive as much as 1 000 in rebates include attic insulation air sealing duct sealing hot water pipe insulation and combustion safety testing.

According to reputable bay area attic insulation installers proper insulation works by limiting the amount of air moving throughout the home. Meanwhile more major upgrades such as the installation of energy efficient cooling units furnace hot water system windows and duct replacement can bring. Other considerations may include indoor air quality impacts life cycle costs recycled content embodied energy and ease of installation especially if you plan to do the. Recommended insulation levels for retrofitting existing wood framed buildings.

Wood frame wall cavity. Add insulation to attic.