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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 10, 2019
Had new furnace installed and ran into some difficulties but the contractor responded in a timely and efficient manner - after further service calls were made, a reasonable resolution was found.
Apr 8, 2019
The work was done quickly efficiently neatly and professionally. Pleased with the service, information, product, and the company.
Apr 1, 2019
Great sales member named Dave came in told us some amazing items and how they would be priced installed an all. We couldnt believe it! The next day the ac was installed, that day one employee named Greg told us that our furnace was working way to hard and was causing us to use way too much gas. So two days later they came in an installed a new furnace!
Apr 1, 2019
Installation was done quickly and professionally. The new furnace is quiet and provides even heat.
Mar 3, 2019
They removed and discarded old furnace. Installed new furnace. Installed air intake pipe, that had never been installed by builder, no charge. Replaced loose hose on floor with hard pipe and rerouted it to drain, no charge. Almost 33% cheaper then quote from Enercare, which was the company we dealt with and had insurance with for 8 years. No yearly fee for cleaning/insurance, saves 300 a year. Courteous, professional, fast, and friendly. My wife and I have been recommending them to everyone we know and meet, and will continue to do so. Thanks for everything, Twintech!!!
Mar 4, 2019
This company was great to deal with. Our furnace went down and they installed a new furnace the next day with a lot of professionalism!
Feb 22, 2019
Finally! An honest company with highly knowledgeable and informative staff. Had a furnace service and found multiply errors in our system from an amateur installer. Very fair price to correct problems and will definitely use again.
Feb 16, 2019
Had to replace the heating & a/c unit in a condo apartment dwelling. this company recommended by the property manager and president of the condo building. found their workmanship and attention to details very good and very thorough. were able to resolve small problems and situations and happy to feel the heat in my unit. it's pricey, but happy was done by a very professional service. thank you.
Feb 13, 2019
Fantastic team. Completed the job as per the specifications and in under 3 hours. Highly recommended Twintech.
Jan 30, 2019
During the summer, I previously hired TwinTech to replace my air conditioner when it failed. They did an excellent job so when I decided to proactively replace the furnace I contacted them. The furnace I had was 22 years old and showed signs of internal leakage. It still worked but rather than wait to have it fail in cold weather, I decided to purchase a higher efficiency model before it failed and take advantage of energy efficiency rebates. TwinTech offered very useful advice on the make and model of furnace to choose including high efficiency and variable speed motor. The price was reasonable, TwinTech arrived at the allotted time, installed the new furnace (including some re-routing of exhaust lines since the existing ones were too close to other vents), removed the old furnace, tested the installation and cleaned everything up. Overall, it was a good experience, they did a great job and the new furnace is working well.
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