When a home undergoes inspection, the inspector checks to ensure the roof, floors, walls, windows, and doors are properly insulated. This is reasonable, as the sole purpose of insulation is to keep your home warm during winter, right? Not precisely. The idea of insulation is based on several factors, of which just one of them is keeping the temperature comfortable. Determining why your home needs to be insulated requires a better understanding of what duties insulation does.

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