Reviewed and Revised on 11/13/2013
Photo of Batt insulation
Properly insulating your home will not only help reduce your heating and cooling costs, but also make your home more comfortable.
How does insulation reduce heat transfer?
Insulation is rated in terms of thermal resistance, called R-value, which indicates the resistance to heat flow per square foot of cross-sectional area perpendicular to the direction of heat transfer. Heat transfer is accomplished by conduction, convection, and radiation. Conduction is the …