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Why Is My Thermostat Not Controlling My HVAC System?

Thermostat not controlling your HVAC system? Thermostat malfunctions can make you think something is seriously wrong with your HVAC system. The good news is that the problem is most often a simple issue. The even better news is that even if it is a more complex case, Gentry Air Conditioning can help you get everything back to working order. Let’s take a look at a few things that could be the cause of your problem:

The first step in troubleshooting should always be to start with the simplest, easiest solution. In this case, check the batteries on your thermostat! Some thermostats require AA or AAA batteries to operate the system. If yours are out of charge, simply replace them with a fresh (or recharged) set, and see if that takes care of things.

If that did not solve the problem, check for poor connections to the thermostat. It is important to make sure the wires are seated in the thermostat base properly. Some houses have older wiring that may need to be replaced. Other times, wires may have come loose.

Next, check for water in the overflow pan of your HVAC system. Most newer units have a water detection switch that will shut the unit down if water is overflowing the unit. This is an important protective measure that can help prevent damage or even a serious air conditioning emergency. This is also a quick fix, if this is your issue, luckily, and indicates that the thermostat itself was not the problem.

These are the most basic things that a homeowner should check for. If none of these steps yield a resolution for you, then the issue is more complex. If that is the case for you, then it is time to call and enlist the help of an HVAC professional. There are several things beyond this point that could cause failure that a professional technician can diagnose and repair.

No matter what is keeping your HVAC system from kicking on, we have probably seen it and solved it many times before. With the experienced and capable professionals at Gentry Air Conditioning on your side, your home or business HVAC system will be back to running smoothly.


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