How Insulation Works

Heat naturally moves from a warm area to a cooler one. So in the winter, the heat generated by our heaters flows (even through walls, floors and ceilings) to attics, garages, basements and the great outdoors. In the summer, all the outdoor heat fights its way inside and we run our air conditioners to try to push it back out.

Maintaining a comfortable temperature in our homes can be costly. Insulation provides resistance to the natural flow of heat. The more heat-flow resistance (R-value) your insulation provides, the lower your costs for energy will be.

Learn more about how to save your energy and money at

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