One thing I have done since new is during the summer months. I will run the rear A/C at 70F at night and turn the fan to low speed. Shutting off the front A/C when we retire for the night. This way the front bed room will remain cool all night without running the front A/C unit which see can hear when sleeping.
My wife likes it cool, dark and quiet for sleeping at night. So,running the rear A/C satisfy her.
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Jim W.
2016 34RL CC; 2008 Ram Mega Cab 2500HD, 6.7L, 68RFE 6 speed, 4X4, Smarty S67, TDR 145K+miles
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