Forum Discussion
dougrainer
Feb 22, 2018Nomad
I would think a wall stat that would switch between COLD and HEAT operation automatically would be counterproductive. It would HEAT the RV lets say to 75 degrees. But, with the variance on tstats it may heat to 78 or 79, then the AC unit would start and cool it down to the preset 75 or even colder depending on the variance of the tstat. You would have a constant up and down as each system competed with each other. BTW, my home programmable tstat(18 years old) has OFF and HEAT and COLD modes. In summer you switch to COLD. In winter you switch to HEAT. Now, maybe newer home systems have just one mode--- you set the temp and the system determines to HEAT or COOL, but I would think there would be competition between the modes. Maybe someone with Home AC/Heating qualifications can clear my question up. Doug
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