Determine if your Honeywell thermostat needs replacement by checking for power, age, and responsiveness. If your screen is blank despite changing the batteries, if the device ignores temperature inputs, or if it is over 10 to 15 years old, it is likely time for a new one.
A Honeywell thermostat typically lasts between 10 to 20 years, depending on the model. Because they don't usually break all at once, they are often upgraded sooner to take advantage of energy-saving features.
To determine if a Honeywell thermostat is failing, check if the display is blank or unresponsive despite fresh batteries, ensure your HVAC circuit breaker hasn't tripped, or see if the system ignores commands, displays incorrect temperatures, and short-cycles.
Replacement of thermostat unit
Upgrading to a new thermostat (unit + installation) typically runs $140 to $350, depending on model and complexity. There is also a broader range—$80 to $440—with variations based on location and type of thermostat.
Signs You Need a New Thermostat
Whether you choose to replace your thermostat yourself or hire a pro, the Honeywell Home brand offers a wide range of smart and programmable thermostats designed to fit your needs. With intuitive instructions, many Honeywell Home thermostat models are homeowner-friendly for those who want to try DIY.
How can you tell if a thermostat is bad?
Many homeowners are curious whether they need an electrician to replace a thermostat or if they can install a home thermostat on their own. While some try the DIY route, professional thermostat installation is usually the smarter, safer choice—especially with the range of high-tech models available today.
Thermostat Replacement starts at $99. To ensure the best service possible, we provide a complimentary 10-point system inspection. This includes: Installation and calibration of your new thermostat.
The best thermostat brand depends on your smart home ecosystem and heating setup, but Ecobee, Google Nest, and Honeywell Home are the top choices. They offer features like geofencing, remote app control, and energy savings to help lower utility bills.
A plumber isn't usually needed for thermostat replacement unless your thermostat directly controls a water-based heating system, such as underfloor heating or a boiler with complex plumbing connections. Even then, an electrician is typically the right professional to handle the wiring.
Programmable Honeywell Thermostats
Programmable models usually have a menu or button combo for resetting. A common trick is pressing and holding the “Menu” and “+” buttons at the same time. Some require you to hold “Fan” and “Up” together. After a few seconds, the screen should flash and restart, wiping old settings.
Common Issues and Troubleshooting Steps
To quickly resolve a Honeywell thermostat issue, replace the old batteries, verify the HVAC power switch and circuit breaker, and perform a system reset by removing the unit from the wall.
You likely need a thermostat replacement if your home temperature feels inconsistent, the display screen is unresponsive, or your heating and cooling system cycles on and off frequently. Upgrading is also recommended if you notice sudden spikes in energy bills without a change in usage.
Yes, 72°F is a very comfortable temperature for your daytime heat setting. However, it is slightly higher than the recommended energy-saving guidelines, which could increase your heating bill.
Yes, you can absolutely replace a Honeywell thermostat yourself. It is a manageable DIY project that usually takes about 30 to 60 minutes. The entire process hinges on turning off the power, carefully labeling the existing wires, and matching them to your new thermostat.
Not all thermostats work with all HVAC systems. There are different types of heating and cooling setups, so knowing what system you have is the first step to finding the right thermostat.
HVAC repair pros are a good option if you're looking for someone to replace a thermostat. In fact, you may find that many thermostat installers work with an HVAC company. Plus, by hiring an HVAC expert to replace your thermostat, you can also book an HVAC inspection at the same time.
To check if a new thermostat is compatible with your HVAC system, turn off the power to your system at the breaker, remove your current thermostat faceplate, and take a picture of the wiring. The letters beside the connected wires dictate your system's compatibility.
Electricians are your best bet for thermostat replacement, and they charge between $65 and $100 per hour for their labor. In most cases, replacing a thermostat will take 1 to 2 hours, which puts your total labor costs between $65 and $200.
One of the most common thermostat-related problems that homeowners run into involves incorrect temperature readings. A thermostat that displays incorrect temperature readings can cause significant heating issues. There are several potential causes of an incorrect temperature reading, starting with improper placement.
A failing thermostat usually shows clear signs: the HVAC or engine behaves erratically, the screen is blank, or the temperature in your home/car does not match the settings.
To test a thermostat without removing it, the method depends on whether you are checking a vehicle or a home HVAC unit.