| http://www.w3.org/ns/prov#value | - The first step is to access the building???s living areas, orientation in terms of North, East, South or West of each wall area, the composition of materials and insulation systems for the floors, walls, knee walls, and ceiling or roof areas, sizes and types of windows and doors then any other criteria that might affect how many BTUs it will take to heat or cool the home.
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