If you’re wondering how to fix your AC thermostat, you’re not alone. A malfunctioning thermostat can cause your home to be too hot or too cold, & making it difficult to stay comfortable. Fortunately, fixing your AC thermostat is usually simpler than you might think. Whether it’s a minor issue & something more complex, we will guide you to troubleshoot and resolve common thermostat problems.
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A malfunctioning thermostat can mess with your home’s comfort, making things too hot or too cold. Fortunately, fixing it is often simpler than you think. Here’s a quick guide to troubleshoot & fix common thermostat problems.
Before we get into the symptoms, let’s quickly talk about how to spot if your thermostat is acting up. Your thermostat is key to keeping your home comfortable, & when it starts malfunctioning, things can get too hot or too cold. The good news? Most thermostat issues are easy to catch and fix. So, let’s go over some of the common signs that your thermostat might need a little attention.

Symptoms of a Broken Thermostat
- AC Runs Non-Stop: If your AC keeps running even when it reaches the set temperature, the thermostat could be at fault.
- Inconsistent Temperature: If the temperature in the room doesn’t match what the thermostat shows, or if the AC cycles too much, the thermostat might need attention.
- Cooling Stops or Starts Too Early: If your AC turns off too soon or doesn’t run long enough, your thermostat could be malfunctioning.

How to fix your AC thermostat: Easy steps
Check the Power
For battery-powered thermostats, try replacing the batteries. If it’s a wired model, check that the circuit breaker hasn’t been tripped.
Clean the Thermostat
Dust and dirt can interfere with the internal sensor. Open the thermostat cover and clean it out using a soft cloth or a can of compressed air.
Recalibrate the Thermostat
Is your thermostat reading the wrong temperature? Recalibration may fix the issue, many models have a setting for this; if yours doesn’t, a professional may need to assist you.
Reset the Thermostat
A quick reset can often solve many thermostat glitches. Refer to your manual for the correct reset procedure.
Check the Wires
Loose or damaged wires can cause issues with the thermostat function. If you’re comfortable, check the connections yourself. If you notice any damaged wires, it’s best to call in a professional.
Upgrade to a Smart Thermostat
If your thermostat is old, it might be time to upgrade. Smart thermostats are more accurate, energy-efficient, and come with added features like remote control via smartphone.
When to Call a Pro
If none of the above fixes work, you may need a professional HVAC technician to resolve more complex problems, such as broken sensors or faulty wiring. In short, a thermostat issue doesn’t have to leave you sweating, a few simple steps can often get things back on track, and if not, a technician can handle it.
Need professional help with your AC: Contact Us Now for expert thermostat troubleshooting and repair! Or Book a Service for a quick fix.