Question about Heating & Cooling
Your post didn't mention the Tstat model, if it is new or existing, what if anything might have changed near the tstat (new appliance, ceiling fan in the area) and so on. If it's new and wired correctly and the old one worked fine in the exact same mounting location, then it could be as simple as a defective tstat. If it's existing it could still be defective. On simple systems the tstat control lead for cooling turns on the condensing unit outside and the air handler inside, while the heat control lead on a non-heat pump unit turns on the air handler and heat strip. Newer systems split up the inside and outside units and control them separately to be more efficient. I don't know if you're having an issue with the heat or cool mode. If it's not the tstat then you will likely need to have a trained professional evaluate your system for system issues. Home depot carries Honeywell which Trane uses in their residential systems. Smart tstats are appearing now and while they have their advantages, putting one in an old system would be like putting a new Porsche engine in an old car with the original legacy transmission, so to speak.
Posted on Dec 06, 2014
Testimonial: "The furnace is relatively new 80%as well as the a/c system. The thermostat was installed when the system was installed. The problem has just started and it is December heating season in Michigan. also I have replaced the battery and it still happens."
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Posted on Jan 02, 2017
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