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WORK <br /> <br />ESTIMATED ANNUAL HE~TING COST: <br /> <br />NO VE~tT <br /> <br />Without vent damper <br /> <br />~5oo.oo <br /> <br />VE~T <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />With vent damoer <br />Cost payback of vent damper: <br /> Cdst / annual savings <br /> / ~63.O0 = years to pay back <br /> <br /> ENERGI OF~IO~S <br /> <br /> Exterior wall <br /> a. framing <br /> <br /> b. insulation <br /> <br /> Garage wall <br /> a. framing <br /> <br /> b.'insulation <br /> <br /> Attic wall <br /> a. framln~ <br /> <br />b. insulation <br />Insulated door <br /> <br />Windows <br /> <br />Rim joist <br /> <br />Ceiling <br />a. framing <br /> <br />b. insulation <br /> <br /> 157 X 0.047 X S0.974 <br /> 157 X 0.047 X $0.851 <br />1413 X 0.027 X ~.0.974 <br />1413 X 0.027 X $0.851 <br /> <br /> 16 X 0.075 X ~0.974 <br /> 16 X 0.075 X ~0.851 <br />142 × 0.033 X ~0.974 <br />142 X 0.033 X I0.851 <br /> <br /> 9 X 0.077 X $0.974 <br /> "9 X 0.077 X $0.851 <br /> 81X 0.035 X $0.974 <br /> 81X 0.035 X $0.851 <br /> 38 X 0.015 X $0.974 <br /> 38 X 0.015 X $0.85i <br />128 X 0.079 X $0.974 <br />128 X 0.079 X $0.851 ' <br />132 X 0.022 X ~0.974 <br />132 X 0.022 X $0.851 <br /> <br /> 108 X 0.008 X $0.974 <br /> 108 X O.O08 X <br />1432 X 0.005 X $0.974 <br />1432 X 0.005 X $0.851 <br /> <br />7.19 <br /> <br />37.16 <br /> <br />1.17 <br /> <br />4.56 <br /> <br />0.67 <br /> <br />2-76 <br />0.56 <br />9-85 <br />2-83 <br /> <br />0.84 <br /> <br />6.97 <br /> <br />$437.00 <br /> <br />6.28 <br /> <br />32.47 <br /> <br />.02 <br /> <br />3-99 <br /> <br />o.59 <br /> <br />2.41 <br />0.49 <br />8.61 <br /> <br />2.47 <br /> <br />0.74 <br />6.09 <br /> <br />I <br />I <br />I <br /> <br />Cost payback of energy options <br /> Cost / annual savings <br /> <br /> /. = years to pay back <br /> <br /> <br />