pianotunaNomad IIIJun 23, 2018swamp coolerHi all, I purchased a swamp cooler and today ran it for the first time. The RV had been sitting in sun all day long with the fantastic fan on high, with the rear roof vent open. Temperature outs...Show More
MEXICOWANDERERExplorerJun 23, 2018In extreme dry and hot climates the differential can be equally extreme.In the Mojave Desert, my shop had a pair of 4' cube evaporative coolers.I had a 16" 66 watt rotary exhaust fan. Plus the main door was wide open115 F outside air temp76 F inside tempThe curve null seems to be around 50% R/H at 90 F
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