Thermostat Services
Accurate Temperature Starts with Expert Diagnosis
A Faulty Thermostat Could Be the Root of Your HVAC Problems
When your heating or cooling system isn't acting right, many homeowners assume it's the furnace, air conditioner, or ductwork. But one of the most common — and most overlooked — causes is the thermostat. At Superior Heating & Air, we specialize in diagnosing and fixing thermostat issues that prevent your system from performing properly.
Modern thermostats are far more than temperature knobs. They're microcontrollers, Wi-Fi-enabled hubs, and electrical switches all rolled into one. An issue with any part of that system can cause temperature imbalance, erratic cycling, or complete failure to start your heating or cooling system. Our technicians know how to test, trace, and fix thermostat problems — fast and accurately.
Top 4 Thermostat Issues That Require a Professional
1. Wiring & Voltage Problems
Loose wires, short circuits, or improper connections can cause a thermostat to behave erratically or fail to communicate with the HVAC system. Our team inspects and re-terminates wires at the stat and control board, checks 24V control voltage, and ensures safe operation. According to the U.S. Department of Energy, improper wiring is a leading cause of thermostat failure.
2. Bad Temperature Sensing or Location
If your home never seems to match the temperature setting, your thermostat sensor may be inaccurate or placed in the wrong location. We test calibration and relocate thermostats if they're near heat sources, windows, or air vents, ensuring accurate room control.
3. HVAC System Compatibility
Some thermostats aren't compatible with multi-stage units, heat pumps, or high-voltage systems. We review your system specifications and verify that your thermostat supports all functions. The NEEP Thermostat Guide provides deeper insight on system-to-thermostat matching.
4. Firmware & Smart Features Not Working
Smart thermostats like ecobee or Nest depend on cloud services and mobile apps. If your Wi-Fi drops or firmware is outdated, they may lose functionality. We update firmware, restore connections, and reconfigure settings to keep your smart thermostat running seamlessly.
What We Do
- Professional thermostat diagnosis and testing
- Rewiring and re-termination of low-voltage control lines
- Smart thermostat installation (Nest, ecobee, Carrier Infinity, Honeywell)
- Battery replacement and voltage troubleshooting
- Thermostat relocation for better temperature sensing
- App and Wi-Fi setup for mobile-controlled units
We also offer programmable and non-programmable thermostat options for homeowners who prefer simpler controls or have specific HVAC system limitations.
Why Choose Superior Heating & Air for Thermostat Help?
Trained in Smart Tech
Our technicians stay up to date on the latest smart thermostats, energy-saving technologies, and app integrations — including Alexa, Google Home, and Apple HomeKit platforms.
System-Wide Troubleshooting
Sometimes the issue isn’t the thermostat itself — it could be a blown fuse, damaged control board, or loose transformer wiring. We test everything, not just the device.
Local & Responsive
Serving Harvest, AL and surrounding areas, we provide same-day or next-day service in most cases. You’ll never wait long for comfort.
Thermostat FAQs
We Bring Accuracy Back to Your HVAC System
Don’t let a faulty thermostat cost you comfort — or cash. Get it diagnosed and fixed by the pros at Superior Heating & Air.
Request Thermostat Service