Is An Energy Efficient Home Worth It?
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How to Build a House That Uses 90% Less Energy!
14:43
¿Vale la pena una bomba de calor geotérmica? Mi hogar neto cero
19:35
My DIY Geothermal System Was So CHEAP!!!
13:49
My Biggest Regret Building a Net Zero Home
7:35
My Bills Are So Cheap - ICF, Geothermal, Energy Efficiency
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How Much My DIY Geothermal System Cost
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The Realities of ICF
13:59