Quote:
Originally Posted by duncii
The dash A/C (Quantum KM24 Sprinter) does a much better job of cooling the motorhome on the than the 15000btu coleman. Does anyone have a idea of the tradeoff in fuel cost of using the diesel engine to cool and recharge the house batteries vs propane gen. My log shows we paid as much as a dollar more/gal for propane out west. Just trying to see if I'm missing an angle. Thoughts, opinions?
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Its more complicated than only a dollar issue. Despite what many people do, I was told by Cummins, on my former DP, never to idle the engine more than 5% of its total run time. On the Cummins, it will kill the seals on the injectors. On my current Sprinter, Mercedes also says no more than 5% idle of total run time. On the Sprinter, its apparently an engine destroyer, will contaminate the oil with fuel, and overheat the exhaust system. If you have been following some of the threads I have been on, I gave up trying to cope with the one rear AC, and had a second AC installed in front. Even in a small RV like our Gemini, a single AC will not cope with temps that are in the 90's and certainly not when its 100 degrees.
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