Why would my a/c unit not shut off on the set temp of the thermostat? [Archive]

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david schultz

Oct 17, 2014, 12:35 PM

My hvac thermostat is set at 75F, BUT MY ROOM TEMP READS 73F, yet my air handler and condenser continues to run. When I set the temp at 77F then the unit shuts off. Why might this happen?

bitters

Oct 17, 2014, 01:39 PM

The heat anticapator in the stat might be wacky. What is the model number on the stat?