Bay Area Energy Upgrade Attic Insulation 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.
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. According to reputable bay area attic insulation installers proper insulation works by limiting the amount of air moving throughout the home. The table opposite suggests r values by zone as indicated in the map of the united states. Find out if your home is elligible.
Recommended insulation levels for retrofitting existing wood framed buildings. 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. To get more detailed recommendations use the department of energy s insulation calculator. Learn how you can save with atticare s energy efficiency home upgrades.
Use our savings calculator and contact us today at 1 888 743 7243. Evaluate your house s current r value and recommend whether additional r value is needed and appropriate types of insulation. Wood frame wall cavity. Add insulation to attic.
For san francisco recommended insulation r values in an existing home are as follows. 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. It also suggests r values when adding insulation to uninsulated or under insulated attics crawl spaces and walls.
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. 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.