| http://www.w3.org/ns/prov#value | - Plugging air leaks, adding some more insulation, and perhaps improving the window and doors is a good place to start provided one knows what to do, where to start and is physically and financially capable of taking action in the face of rapidly rising energy costs.Later steps on the way to zero net energy buildings, such as major insulation and window upgrades, solar heating and electric panels, n
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