First, check the insulation in your attic, ceilings, exterior and basement walls, floors, and crawl spaces to see if it meets the levels recommended for your area. Insulation is measured in R-values—the higher the R-value, the better your walls and roof will resist the transfer of heat.
www1.eere.energy.gov/consumer/tips/insulation.html www1.eere.energy.gov/consumer/tips/insulation.html
Step-by-step guide to installing attic insulation in a weekend to save energy and improve the efficiency of your heating and cooling system ... For maximum energy efficiency, we recommend an insulation value of R-60 for attic floors - about 18 inches of insulation. Do you have enough? To find out your current R-value,
insulation.owenscorning.com/homeowners/easy-weekend-pro... insulation.owenscorning.com/homeowners/easy-weekend-projects/weekend-project-attic.aspx
Attic insulations purpose is to keep your home warmer in the winter and cooler in the summer. The articles provided in this section discuss the merits and use of various types of well-know insulations, and informs you on the best ways to of installing attic insulation.
www.doityourself.com/scat/atticinsulation www.doityourself.com/scat/atticinsulation
Recommended attic insulation levels range from R19 in the southern most parts of the US to R49 in the northernmost. Consult your local building authority for recommended levels in your area...
www.warmair.com/html/insul_calc.htm
How Much Insulation Should You Have in the Attic? Most heat loss is through the attic area. If your attic has some insulation, measure how deep it is and check the tables below to find out how much you need to meet R-30 the minimum 'R' value recommended for BGE customers.
www.bge.com/portal/site/bge/menuitem.5e8ef9b342df471021... www.bge.com/portal/site/bge/menuitem.5e8ef9b342df471021b08424025166a0/
AsktheBuilder.com: Attic insulation can be fiberglass blankets or blown in insulation. Batt insulation is available at home centers and lumberyards. ... DEAR TIM: I would like to add additional fiberglass insulation in my attic. I can install batt insulation myself. Blown-in fiberglass appears to require professional...
www.askthebuilder.com/165__Attic_Insulation_-_Blown_vs_... www.askthebuilder.com/165__Attic_Insulation_-_Blown_vs_Batt.shtml
Attic Insulation Calculator; To calculate energy savings with increased insulation ... Recommended attic insulation levels range from R19 in the southern most parts of the US to R49 in the northernmost. Consult your local building authority for recommended levels in your area.
www.warmair.net/html/insul_calc.htm
In an unfinished attic, the goal of insulation is to keep the rooms below cool in summer and warm in winter. ... So a finished attic should be insulated much like the rest of the house, with insulation in the walls and ceiling. If your attic is already finished, it probably is at least partially insulated. However,
www.hometips.com/diy-how-to/attic-rafter-insulation.htm... www.hometips.com/diy-how-to/attic-rafter-insulation.html
Grantees Guide to Insulation Programs and Partnerships ... Insulation is an important common element in the ARRA’s effort to improve energy efficiency in America’s homes, businesses, institutions and public buildings.
www.simplyinsulate.com/ www.simplyinsulate.com/