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Also for quiet and less exhaust heat, you could try dumping the heat down your bathroom drain, using cold water as a heat sink. 1. Get an old vehicle "heater core", "oil intercooler", or an air conditioner radiator from a junk yard. (Should look like it's a long twisty coil of tubing, and may...

For fluorescent / high pressure sodium (HPS) / metal halide (MH) lighting: * if you want more quiet, less heat, and more power savings you need a "digital ballast" or "electronic ballast". * look for 98+% efficiency and a power factor as close to 1.0 (the maximum) as possible. This will...