house with additional wall and roof insulation + r

additional architecture arrow better budget building business change commerce commision concept construction diagram drawing earnings economics efficiency energy environment estate exchange facade fiberglass finance financial fiscal foam gdp good green grow heat heating home house illustration income increase inflation insulation interest issue macroeconomics market material microeconomics model money mortgage outline performance perspective polystyrene positive price profit progress pufoam rate real renewal result rising sales saving site stock styrofoam success sucess technology thermal transparent under upgrade value wall warm warmth wireframe