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Your HVAC system’s thermostat in Alton, IL, should run for at least 10 years before it starts to encounter any technical issues. Here are a few ways you can tell if you need a thermostat replacement.

1. HVAC System Failing to Switch on

The most apparent sign of a faulty thermostat is when your HVAC system stops responding to your on/off command. You should be able to switch your heater or air conditioner from its thermostat and perform other operations, i.e., change temperature targets and cycle times. If it no longer does, you may have frayed wires or a worn-out sensor that’s causing the issue.

2. HVAC System Failing to Switch Off

The complete opposite problem may arise from a faulty thermostat as well. A heater or air conditioner that continues to run even though you’ve hit the “Off” button may suggest wiring issues that are causing a signal malfunction between the thermostat and the HVAC system it manages. Before you consider replacing the thermostat, call a service technician who can perform a more thorough diagnosis and recalibrate the thermostat so that it transmits the proper instructions.

3. Temperatures Fluctuate in Different Rooms

If you feel chilly while in the kitchen and then suddenly hot while in the living room, your thermostat may be causing these temperature fluctuations. When an HVAC system switches on and off randomly, it’s unable to heat or cool the entire space properly. The area farthest away from the heat registers gets little to no conditioned air, so they’re colder or warmer relative to other rooms.

A broken thermostat isn’t only annoying to deal with; it also costs you money over time by causing your HVAC system to use up more power. Contact Den-Son Inc. Cooling & Heating today to schedule a thermostat installation or learn more about our other HVAC services!

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