Solar Heat Panel
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Book Details
Author(s)Thomas Valone, PhD
PublisherIntegrity Research Institute
ISBN / ASIN1935023128
ISBN-139781935023128
AvailabilityUsually ships in 24 hours
Sales Rank10,335,159
MarketplaceUnited States 🇺🇸
Description ▲
Complete design plans or building a $100 hot air solar collector on your souhern exposure rooftop. A loose plastic flap coveringthe output stops blackflow during night. Works all year.