English, 08.11.2019 01:31 darkdestroyer0888
Jon has 1200 ft2 of roof in his home in pittsburgh, pa (hdd = 6,000). he is considering upgrading the insulation from r-16 to r-22. the estimate from the contractor was $578. his home is heated with natural gas. last year, the average price he paid for natural gas was $12/mcf. assuming an afue of 82.9%, how long will it take jon to recover his investment? (5 points)
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Jon has 1200 ft2 of roof in his home in pittsburgh, pa (hdd = 6,000). he is considering upgrading th...
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