Bay Area Energy Upgrade Attic Insulation R Value

The table opposite suggests r values by zone as indicated in the map of the united states.

Bay area energy upgrade attic insulation r value.

The attic floor is filled to an r value of r 49 which provides optimal energy efficiency at 16 75 inches. This attic features newly installed insulation and radiant barrier foil. The department of energy estimates that you can save up to 10 percent annually on your energy bill when you insulate your attic. How attic insulation can help to lower your energy bills.

Bge says that increasing insulation thickness from 2 to 3 inches r 5 to 8 to 14 r 30 inches can save you 95 to 145 per year in 2010 for every 1 200 square feet of ceiling area. Add insulation to attic. Evaluate your house s current r value and recommend whether additional r value is needed and appropriate types of insulation. Bayren is rolling out a water energy efficiency program in partnership with utilities throughout the bay area.

Learn how you can save with atticare s energy efficiency home upgrades. Find out if your home is elligible. The still air that is retained in the insulation helps to prevent most of the heat from escaping from one area to another. Existing 3 4 inches of insulation.

For san francisco recommended insulation r values in an existing home are as follows. 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. It also suggests r values when adding insulation to uninsulated or under insulated attics crawl spaces and walls. Wood frame wall cavity.

To get more detailed recommendations use the department of energy s insulation calculator. Use our savings calculator and contact us today at 1 888 743 7243. 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.