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Fixing Your Furnace Thermostat
Posted On: November 12, 2024
If you're having issues with your furnace thermostat, you can try some basic troubleshooting steps before calling a professional. Here's a guide to help you:
1. Check the Power Source
- Batteries: Many thermostats run on batteries. If your thermostat screen is blank or not responsive, replace the batteries.
- Circuit Breaker: Make sure the circuit breaker connected to your furnace is turned on. If it has tripped, reset it.
2. Verify Thermostat Settings
- Ensure the thermostat is set to "Heat" and that the temperature is set higher than the current room temperature.
- Check if there's a "Hold" or "Temporary Hold" setting that might be interfering with regular programming.
3. Clean the Thermostat
- Dust and debris can sometimes interfere with the thermostat’s functionality, especially if it uses mechanical components. Use a soft brush or compressed air to clean it.
4. Check the Wiring
- Turn off the power to the thermostat and carefully remove it from the wall. Inspect the wires to ensure they’re properly connected and not corroded or damaged.
- Take note of where each wire connects; if needed, you can remove and reconnect them to ensure good contact. Be cautious if you are unfamiliar with wiring.
5. Check the Furnace Filter
- A dirty or clogged filter can cause your furnace to overheat or turn off. Check and replace the filter if needed.
6. Reset the Thermostat
- Sometimes, simply resetting the thermostat can solve minor issues. Refer to the user manual to reset it, as methods vary by model.
7. Inspect Furnace Safety Switch
- Your furnace has safety switches that can shut off the unit. If the furnace door is not closed properly or the switch is malfunctioning, the furnace may not operate.
8. Inspect the Thermostat Location
- Thermostats located near drafty windows, direct sunlight, or in kitchens may give inaccurate readings, causing improper heating.
If none of these solutions work, you may have a faulty thermostat or another issue with your HVAC system.
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See What Our Customers Are Saying:
Apr 28, 2022
I left a live chat message on their website that my air conditioning was not working. Within 1hr a representative called me to discuss my options.
The next day he came to the house to review my needs and give me a price for a new system. Price quoted was less than I expected and the installation was completed the following day. I found their salesman and the installers very knowledgeable and easy to deal with. All my questions were answered. Everything was properly explained in regards to what unit was needed and why, along with instruction where needed for use.
The installers made sure everything was working properly before they left.
Apr 28, 2022
This is to thank Twintech Heating and Cooling for their exceptional and timely service. Mitch, their technician was very courteous and generous with his time right from his first meeting with us. He not only took the time to check everything but also educated us on why we needed what he recommended. Greg and Mitch graciously accommodated us on our requested day and time for job to be done. They were both very courteous and responsive to our needs and special requests especially in a tight spot. The job was finished neatly and on time. Thank you Twintech for your great service !
Apr 28, 2022
They came the day and time they had planned for us and were very fast and efficient! The AC works amazing and it is amazing during the heat of the summer we have already got! Thanks for everything you did for us!
Apr 28, 2022
Would recommend this company to friends and family in a heartbeat. Very professional , on time and left no mess when the job was done.
Apr 28, 2022
Great customer service. Responsive and professional. I would highly recommend Twintech, I used them previously for repair service and a new air conditioner- very satisfied.
Apr 5, 2022
Our air conditioner failed. Made a call and within 15 min a technician was at our door.
The issue was fixed and many suggestions were provided.
Thanks to Mitch. Great service !
Apr 5, 2022
Our furnace was rattling, as soon as we put our air conditioner on this past week. We had researched looking for a company that was Registered with Better Business Bureau, and this company TwinTech, had A+ Rating. Scott, was immediately helpful via text/phone and sent his technician as soon as he was able...Mitchell/technician provided great professional service. Thank you TwinTech.
Sean and Debbie
Apr 5, 2022
I contacted various companies when looking to install a new furnace and I found Twintech to be transparent with their communication and approach. They had options to suit my various requirements and the price vs quality was very good. The after installation communication was also very good and they answered all queries I had.
Apr 5, 2022
My furnace broke down last month. The team was quick to respond, courteous, professional and mindful of COVID-19 concerns. I highly recommend them if you are considering replacing or servicing your HVAC equipment.
Apr 5, 2022
I was very happy with the installation and price. I would definitely recommend. Thank you Twintech.
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