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hand j home guide solar heating cooling 1978

Type:: E-books
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Size:: 20.2 MB
Uploaded On:: Feb. 18, 2022, 1:11 p.m.
Added By:: andryold1
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Textbook in PDF format There was a time when mankind’s only source of heat was the sun. Then man learned how to build a fire and use it for heating. Wood provided the fuel. Time moved on, and man discovered that fossil fuels (coal, oil, and natural gas) would produce heat too. He also discovered electricity and learned that it produced heat when it traveled through the right kinds of wire. Mankind then became well supplied and content with the heating energy provided by fossil fuels—and the electricity generated in their use. But there came a day when these sources presented problems. They were getting expensive. They were hard to transport from the source to the place of use. And they were becoming scarce. In fact, there were omens of the complete depletion of fossil fuels. Mankind then began to look to the sun as a source of heat and energy. Within a few years, this interest in the sun became a worldwide revolution. Today, there are thousands of homes for which the sun provides the heat needed for room comfort, or for hot water requirements, or for both. In many of those homes, heat from the sun also provides the energy used for air conditioning

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Hand J. Home Guide To Solar Heating And Cooling 1978.pdf 20.2 MB

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hand j home guide solar heating cooling 1978

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