Forum Discussion
pnichols
Jul 30, 2013Explorer II
pianotuna wrote:
There is no need to be cycling. Just turn on a small heat source while running the air conditioner. 500 watts is enough for my 28' class C.
Exactly what we were doing.
I can't recall if we used our 1500 watt electric heater on it's 1500 watt or 750 watt setting. Probably it's 1500 watt setting - since it has a temperature control, anyway, to modulate it's ON/OFF cycling as necessary to comply with what you set the temperature control at. Our 30 amp RV wiring can easily handle both the air conditioner and heater set on high at the same time. (We can even do this dry camping using the 4000 watt built-in generator.)
I'll mention again that I call this "a poor man's dehumidifier" for folks that already have a small electric heater in an RV with an air conditioner .... there's no need to buy a dehumidifier.
By the way, note that a "real dehumidifier" contains both a compressor and a heat pipe to warm the outgong dehumidified air - closely resembling the "poor man's method" of using a small heater in conjunction with an air conditioner. Here's a couple of links explaining how dehumidifiers work. In the first link ignore the drinking water portions and concentrate on the excellent explanation of how dehumidifiers work and when to use them:
http://alumni.stanford.edu/get/page/magazine/article/?article_id=29155
http://www.howstuffworks.com/dehumidifier1.htm
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