25 Years of Passive/Active Solar

Paul Westbrook

We completed year 25 in our passive/active solar home. For 2021 we had $0 energy bills (only the base fee). The house is performing better than the rigorous Passive House standards (our use: 6.6 kBtu/sf/yr of need, and we supply 5.6 of that with solar power). I compiled this annual report: https://enerjazz.com/.../Westbrook_House_Utility_Use.pdf. Details are on our web page (https://enerjazz.com/house).


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