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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:
Jul 3, 2022
Our furnace bit the dust, and Twintech came out to troubleshoot and diagnose the problem within a couple of hours. Mitch was super helpful, patient, and answered all of our questions. When we decided to get the furnace replaced, the crew was over first thing the next morning and did a fantastic job. Not only did they complete the job in a few hours, but they cleaned up and respected our house as they went, and answered all of our follow-up questions. I've used Twintech for our HVAC needs in the past and will continue to do so. I'd recommend them to anyone, and it feels good to support a local, family-owned business.
Jul 3, 2022
Dave and the Twintech team were fabulous from day 1 and helped us through the process to identifying a new furnace and AC unit. This was our first time through this process and Dave did a thorough job explaining all the components and was very patience answering all our questions. Dave provided great insights and fair pricing.
The Twintech team did an awesome installation. Very clean and efficient. I would highly recommended their service.
Jul 3, 2022
We had a new Amana furnace installed by Twintech and we were very pleased with the installation. It is nice to have a warm house again.
Jul 3, 2022
Excellent job. Excellent service. Competitive price. Its rare to find a company with the knowledge and professional results we have experienced with Twintech. The clean and neat installation with attention to detail and drop sheers to respect our property is a clear indication of Twintechs high level of integrity. The 1-1/2 gas line upgrade they did for our pool 3 years ago was awesome. Can't say enough. Thank-you Twintech.
Jul 3, 2022
Twitch did a great job with the installation of our new furnace. I really appreciated their honesty and I could trust what they were telling me. Another company tried to suggest significantly more work at a greater cost claiming it was necessary to meet current building code. Twintech is very fair. All staff I meet were friendly, polite and trustworthy. I would recommend Twitch for a furnace.
Jul 3, 2022
This is a professional team that's easy to deal with. I would strongly recommend them
Jul 3, 2022
Very professional firm from start to finish!
They removed the old oil tank and furnace. They installed air conditioning and a new propane furnace.
Professional installation, on time and no mess.
Very pleased with their work and would highly recommend the company. Our house is three stories so they spent the time to do all the calculations to make sure we would have great performance on each floor.
Thank you again!
Jul 3, 2022
Upon a routine yearly maintenance, it was discovered there was a leak in the heat exchanger and a I needed a new furnace. I know nothing about these things and was completely stressed out. The company I had the maintenance plan with quoted me a huge number to rent a furnace, I just wanted to cry. Then I spoke to Dave at Twintech. He was so knowledgeable and calming, provided me a fair quote and within a few days I had an amazing crew show up to my house and install my new energy efficient furnace! I have already recommended these wonderful people at Twintech to a good friend of mine. Thank you Twintech!!
Jul 3, 2022
Great service and great people to deal with, from sales to installer. I highly recommend this company.
Apr 28, 2022
Twintech replaced our aging furnace and air conditioner recently. I highly recommend this company. Their quote was competitive, they were on time and respectful of our home and extremely professional. From the salesman to the installers and the owner who followed up afterward to ensure we were satisfied, we are very pleased with the service. We are looking forward to working with this company for all of our HVAC needs for the years to come. Excellent workmanship and service!
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