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I knew of one guy who tried a soaker hose on the roof. Since he turned it on only when the roof was hot, it took grains off the shingles, shortening the life of the roof. I would want this kind of cooling for only a short burst of heat that overloads my air conditioner. We have maybe a two or three day burst of heat once a year that makes a boost necessary ...


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Modern retrofits do not use a ballast at all like this. Most have universal drivers, they can run on 100-277 VAC 50Hz or 60Hz. Here is another example. Things to think about, the color of light 5000K will be a very white closer to sunlight, 3000K is more yellow orange. With the same lumens I think the 5000K and higher wavelength lights look brighter with the ...


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The existing fixtures are fluorescent, right? If so, then the ballast is typically in the fixture. Remove everything. You didn't say whether you're planning to set up a LED power source and distribute that. That might be a lot of work. If you are just using LED bulbs with standard threaded base (same base as incandescent bulbs), then just install whatever ...



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