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Old 01-13-2012, 10:47 AM   #6
Dragonslayer140
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Join Date: Apr 2007
Location: Camano Island, WA
Posts: 163
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I think coleman used to make a self contained heat pump unit for the basement of motorhomes, but i believe they stopped making it, not sure if anyone has made a replacement for it yet. biggest problem with the mitsubishi mini split units in a road vehicle is making sure the copper line sets are properly mounted, constant flexing of the copper line causes it to harden and then crack. also make sure the condensing unit is mounted somewhere out of the path of the moving air while driving down the road or the fan will be spun by the air and ruin the bearings. (the company I work for builds mobile office trailers and we learned this the hard way.) The great thing with the mini splits is you can put up to 3 indoor units on one outside condenser. That way you can have three different temp zones for different rooms. electrical draw is also about the lowest of any heat pump.
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