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Old 12-01-2005, 10:27 PM   #30
KAYE RIVERCITY
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Join Date: Jul 2004
Posts: 1,083
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.....an A/C unite between the frame rails is a PIA to service-and requires and extra fan/leaking hoses still get rid of the heat so a side facing condensor w/electric fan is required....shooting the hot air down or back would lead to overheating IMO.....A/C is tricky now days because the new freons are not as efficient as the R-12 and don't give up heat as easily......I'd hate to service one under a RV....I'd have to get $90 an hour to even diag. it -compressor change out for a 30,000btu unite would be 4.5 hours plus parts....I perfer the drawer unites like bus unites have....they slide out and you can service them sitting on a chair or stool....complete change out takes about 1.2 hours total....airplanes have a complete package and I have talked those up for 2 years at HVAC meetings....for the RV market and also the MD and HD trucking markets.....but anything convenient means less money for repair shops and everybody in the business is against that....I'd like to see a A/C unite with a generator-12dc/4dc-110vac and A/C compressor driven by a small gasoline engine on a drawer slide with a engine powered evap fan....similar to the anti-idling unites that are usually diesel powered and priced at about 1000% markup....after all a 9000btu Window A/C and a Generac generator at Home Depot is only $1400 including a heat coil.....so $7000+ for a trucking unite is stealing without a gun or gym shoes......AND any system you can't change out is an expensive unite to service.....allmotels have a slide out unite with heat-A/CVentulation connected to 220vac for about $675 a unite and it is a idiots job to change them out....most unites die of overheating because of poor maintenance/filter changes/gun shots.....geofkaye
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