Hi everyone. I just moved into a new home a few months ago. A/c had been working great until a few days ago. Everytime I put on the a/c my heat kicks in at the same time. I do have zoned thermostats in the home. They are not digital. Can someone give me any tips where to get started with this?
Make sure t-stats are set in cooling mode, which you might already have, then you could try turning one zone t-stat off, and turn the other one on and see if you still have the problem, could be just one zone with issues, or could be more to it , in that case you'll need to call for service.
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