Your home is probably nicely insulated with fiberglass, but it is not air-sealed. There are dozens of small gaps, cracks and holes around your electrical outlets, plumbing and electric lines.
In fact, there are so many holes that when added together, they equal the size of an open door that allows the outside air to come right in.
Using foam insulation to fill these gaps can drive down your energy costs by as much as 50%, and give your heater/air conditioner the break it deserves.
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