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Why is My Furnace Heating Inconsistently?
Posted On: December 23, 2024
Inconsistent heating from your furnace can be frustrating, especially during colder months. Here are some common reasons your furnace might not be heating evenly or consistently:
1. Clogged or Dirty Air Filters
- Problem: A dirty filter restricts airflow, causing uneven heating throughout your home.
- Solution: Replace or clean the air filters regularly, typically every 1-3 months, depending on usage.
2. Thermostat Issues
- Problem: A malfunctioning thermostat might misread temperatures or fail to communicate with your furnace effectively.
- Solution: Check the thermostat’s settings and batteries. If issues persist, consider recalibrating or replacing the thermostat.
3. Blocked or Leaky Ductwork
- Problem: Air ducts that are blocked, leaking, or poorly insulated can prevent warm air from reaching certain areas of your home.
- Solution: Inspect ducts for obstructions or damage. Seal leaks and ensure proper insulation.
4. Incorrect Furnace Size
- Problem: A furnace that is too small for your home may struggle to heat all rooms evenly. Conversely, an oversized furnace may short-cycle, causing uneven temperatures.
- Solution: Have a professional HVAC technician assess your furnace size and capacity.
5. Aging Furnace
- Problem: Older furnaces may lose efficiency over time, resulting in inconsistent heating.
- Solution: Schedule a professional inspection to determine if repairs or replacement are necessary.
6. Faulty Blower Motor
- Problem: A malfunctioning blower motor may not distribute warm air effectively throughout your home.
- Solution: Have an HVAC professional inspect and repair or replace the blower motor if needed.
7. Dirty Burners
- Problem: Dirt or debris on the burners can lead to incomplete combustion and uneven heating.
- Solution: Regular maintenance and cleaning of the furnace burners can prevent this issue.
8. Drafts or Poor Insulation
- Problem: Cold drafts or poorly insulated areas can cause temperature fluctuations, even if the furnace is functioning correctly.
- Solution: Seal windows and doors, and improve insulation in areas where heat loss is occurring.
9. Zoning Issues
- Problem: Without proper zoning, some rooms may receive more heat than others, depending on the layout of your ductwork and vents.
- Solution: Consider adding a zoning system to better control the heat distribution in your home.
10. Pilot Light or Ignition Issues
- Problem: An intermittent pilot light or faulty ignition system can cause the furnace to cycle erratically.
- Solution: Have the ignition system inspected and repaired by a qualified technician.
When to Call a Professional
If you’ve tried troubleshooting and your furnace continues to heat inconsistently, it’s best to call a licensed HVAC technician. They can diagnose the problem accurately and recommend the best course of action to restore even heating in your home.
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See What Our Customers Are Saying:
Feb 18, 2025
Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.
Feb 18, 2025
We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!
Feb 18, 2025
TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!
Feb 18, 2025
Amazing experience with TwinTech Heating & Cooling! Their team was professional, knowledgeable, and efficient from start to finish. They installed my new furnace quickly and left everything spotless. The technicians took the time to explain everything and made sure I was comfortable with the system before they left. Great customer service and fair pricing. I highly recommend them for anyone needing HVAC services!
Feb 18, 2025
Great experience all around. Bob was sharp and easy to talk to, and Greg handled the installation perfectly. Would hire them again in a heartbeat.
Aug 17, 2024
I returned from vacation to find my AC unit on the Fritz. After calling way too many places I connected with TwinTech. Ive used the company in the past for my furnace so I was happy when I recognized Greg at my front door. Hes great and the service is always top notch. Id highly recommend using twintech for honest, superior service in the Durham region. Thanks!
Aug 13, 2024
I called Twin Tech when my air conditioning stopped working. Greg came over to diagnose the issue - the same day. He was able to diagnose the issue and resolve it quite quickly. Although it was a quick fix, Greg was very thorough in explaining the issue and provided great advice. Not to mention, I felt very comfortable having Greg in my home - which I consider very important when hiring a service provider. Twin Tech will be my go-to from now on. Thank you!!
Aug 12, 2024
Just hired TwinTech Heating & Cooling to do an A/C Unit removal & reinstall to allow for landscaping access on the side of my house, and they were wonderful!
Bob, Greg & Mitch make a great team! Quick appointment times, super knowledgeable, expert troubleshooting capabilities & very customer service oriented.
I would highly recommend them for all of your HVAC needs! Great job guys!!
Jul 23, 2024
Twintech Heating & Cooling installed my furnace in 2022 and in fall of 2023 installed my Panasonic Heat Pump. Greg and Mitch did a great job. Helped me through the rebate process. Super happy with the Heat Pump. Only used my furnace 5 times this winter. Energy bills lower, carbon emissions lower.Thank you Twintech. I recommend highly!
Jul 18, 2024
Just had a new furnace installed by Twintech. I cant express how great these guys are at what they do. From the sales to installation they were professional all the way. Very reasonable pricing and courteous during the installation and willing to answer any questions I had. Highly recommended !!!
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