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"A perfectly flat roof permits up to 50 percent more heat gain that a pitched roof... This illustrates the failure of the flat-roof construction to get natural, hot air flow out from under the eaves."
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Ken KernCooling systems... need only supply a drop of from 10 to 20 degrees be — Ken Kern
"Cooling systems... need only supply a drop of from 10 to 20 degrees below that of the outside temperature. ...greater cooling differentials... are a real injury to health."
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Ken Kern
Ken Kern
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Ken Kern was a builder and author who devoted himself to aiding owner-builders, and believed strongly in living on the land. He lived outside of North Fork, California at the time of his death and lived for many years on a self-built homestead outside Oakhurst, California
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"Ceiling insulation is... preferable to roof-top insulation."
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Ken KernQuote
"The first principle of good barn design is flexibility of space."
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Ken KernQuote
"In course sand it may be better to drive a well. Driven wells are usually 2 inches in diameter and less than 30 feet deep. If driving conditions are good, you can drive a 4-inch casing as deep as 50 feet. A driving tool consists of a drive point connected to the lower end of sections or pipe."
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Ken KernQuote
"The most noteworthy development of the open fireplace took place in 1796, when Englishman Count Rumford published his comprehensive essay, "Chimney Fireplaces." ...the inclined fireback ...increased fireplace efficiency by providing an area of greater radiation. For the purpose of breaking up the current of smoke in the event of chimney down draft, the back smoke shelf of Rumfords improved fireplace ended abruptly—a practice strictly adhered to by fireplace masons to this day."
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Ken KernQuote
"It costs three to five times as much to remove a BTU of heat from a house in the summer as it does to add one BTU of heat in the winter."
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Ken Kern