Insulation your home provides resistance to heat flow.
The more heat flow resistance your insulation provides, the lower your heating and cooling costs.
To understand how insulation works it helps to understand heat flow, convection, and radiation.
Conduction is the way heat moves through materials, such as when spoon placed in hot cup of coffee conducts heat through its handle to your hand.
Convection is the way heat circulates through liquids and gases, and is why lighter, warmer air rises, and cooler, denser air sinks in your home.
By slowing conductive heat flow and, Most insulation materials work-- to lesser extent -- convective heat flow.
In your home, this means that in winter, heat flows directly from all heated living spaces to adjacent unheated attics, garages, basements, and even to the outdoors.
During the cooling season, heat flows from the outdoors to the interior of house..
By your heating system and the heat gained in the summer must be removed by your cooling system, To maintain comfort, the heat lost in the winter must be replaced.
By providing effective resistance to the flow of heat, Properly insulating your home will decrease this heat flow..
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