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4 Signs It’s Time to Replace Your Thermostat

A thermostat is a fairly simple device that’s easy to take for granted. After all, if it’s working properly, you never give it a second thought. If it starts malfunctioning, then, it can sometimes be difficult to recognize the signs. However, a malfunctioning thermostat can lead to higher utility bills as your HVAC system runs more often than necessary. In the worst cases, a malfunctioning thermostat can actually wear out your HVAC system by causing it to run in ways it wasn’t designed to. To help protect your entire system, then, here are four signs it’s time to replace your thermostat.

Your System Keeps Turning on and Off

If your HVAC system keeps turning on and off, only running for short periods at a time, it could be a sign that it’s time for a new thermostat. The temperature sensor in the thermostat could be going bad, causing it to be either over- or under-sensitive to temperature changes. Another problem could be the circuit that turns the HVAC equipment on and off. Over time, this component can wear out, leading to an overactive system.

Your System Won’t Turn on at All

If you’ve made changes to your temperature settings but your system won’t turn on at all, it could be because your thermostat is no longer working. Of course, a non-working system could be a sign that you need an entirely new AC system installation as well, but it’s important to begin with the smaller components first. Typically, this problem is caused by a bad relay mechanism, interrupting the signal that the thermostat sends to turn on the HVAC system. Of course, this could mean that the entire thermostat has died, as well, and not just this component.

Something’s Not Quite Right

If your system seems to be operating as normal but your home always seems too hot or too cold, your thermostat may need to be replaced. The most likely culprit here is a failure of the temperature sensor on your thermostat. The sensor can still be working to turn the system on and off but be just a few degrees off so that your desired temperatures are never reached.

Nothing on the Display

If you have a digital thermostat, a sign of possible failure is a lack of information on the display. Of course, in many thermostats, this display is powered by a battery, so it could simply be a dead battery that is causing this problem. If, however, you’ve replaced the battery and the screen is still blank, it’s time to start looking for a new thermostat.

Call the Pros

If you’re not experienced with HVAC systems, installing a new thermostat, though a fairly simple task, could cause problems with your system down the road. Enjoy the accuracy that a new thermostat brings, then, and the peace of mind that comes with a professional installation to ensure your HVAC system operates at peak efficiency no matter the weather.

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