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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:
Jan 1, 2015
My old furnace had finally broken down for the last time when contacted twintech to have a new furnace installed They were prompt, knowledgeable and very reasonably priced. They did such a great job i tell all my friends and family about this company.
Jan 1, 2015
To whom it may concern, I recently had TwinTech (Greg and Grant Dainty) replace my furnace and service both my gas fireplaces and air conditioning unit. They were professional, courteous and very fair in their pricing. I would gladly recommend TwinTech to anyone needing work done. I can be contacted at 905-626-XXXX.
Jan 1, 2015
My Fiancé and I have relied on Twintech Heating and Cooling now for the better part of the last 10 years. In that time, Greg has installed a furnace, an air conditioner, and a heat-pump at our residence in Toronto. In each instance Greg and his team were a pleasure to deal with. They were courteous and professional throughout the whole process and the quality of their work is first rate. Our experiences have always been extremely positive and we have referred his services numerous times to our friends and family. Without hesitation, I would recommend Greg and TwinTech Heating and Cooling to anyone looking to service or replace their existing heat/AC equipment
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