4000-Square-Foot Solar Home Heated for Just $2.50 a Day – PR Web (press release)


4000-Square-Foot Solar Home Heated for Just $2.50 a Day
PR Web (press release)
"On sunny days our hot water solar panels help reduce heating costs. They preheat the ... As the solar engineer on the project, Brownell specified four-inch thick rigid polyurethane on the exterior walls, under the roof and beneath the one-foot ...

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