A home and car owners' guide to taking the energy crisis into their own hands and stopping their energy dollars from going up the chimney, down the drain, or out the exhaust pipe.... you 20 to 40 percent of your home-heating bill in the winter and about 10 to 15 percent of your cost for home cooling in the summer. How many Ra#39;s do you need ? ... Now, check the following table to see how much insulation you need in your attic floor and other areas. ... Heating Attic Ceilings over Unheated Zone Floors Crawlspace or Basement 1 Ra38 R-ZZ 2 Ra38 R-22 .5 Ra49* RaZZ 4 R-49* anbsp;...
|Title||:||Save Energy & Save Money|
|Author||:||Alvin Ubell, George Merlis|
|Publisher||:||Penguin - 2001-11-01|