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I used the variac and got the noise level down from 74-84db to 45. Pleasant white noise, vs Is that Industrial Music you're playing? I researched various approaches, that fall into the basic camps of a variable resistor (like the sun court-variable speed, speed bully) and variable transformer. The resistor ($20-$30) absorbs part of the power, thus ...


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There is often a "fan" switch on the thermostat, which can be set either to "auto" or to "on" - the "on" setting runs the fan all the time, which can be helpful with distributing heat (or cold) in houses that otherwise tend to be very cold downstairs and very hot upstairs due to natural convection currents, especially if the furnace/AC does not run for quite ...


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You should not vent out the soffit if you have soffit vents. The moist air will be sucked into the soffit vents, and cause just as much (or more) trouble as venting directly into the attic. The best option is to vent out the gable end of the attic. Make sure the ducting is sloped slightly back towards the fan, so condensate can drain. Use rigid metal ...


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The Easy answer, $20.00 just plug in, small http://www.amazon.com/Suncourt-Variable-Speed-Fan-Controller/dp/B006L87LK A Good answer:$20.00, and you supply your own box and plugs http://www.amazon.com/KB-Electronics-8811012-Variable-K177-1005/dp/B000F9DAL2 The Perfect answer, $65.00 you supply nothing pretty package plugs, fuse, big knob. ...


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I had something like this growing up, except ours sucked and did not blow. Air flow was adjusted by how far you opened the window in each room. It worked really well on many of the cooler nights. Whole House Fan - Lowes lists one as Model #: WH302BDX



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