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Bear in thoughts that a well insulated, air tight home is required if you’re to make use of an air source heat pump. The amount of insulation your home wants will vary relying on where you live, with houses within the south requiring less insulation than those in the northernmost parts of the nation. The U.S. Department of Energy presents a handy map that color-codes each state based on the recommended R-Value (a measurement of a material’s resistance to heat conductivity) of attic, flooring, and wall insulation. Before you start to replace your home with issues like eco-friendly heating or…