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Is My Furnace Heating Unevenly?
Posted On: March 10, 2025
If you’ve noticed that some rooms in your home feel colder than others, your furnace may be struggling with uneven heating. This can lead to discomfort, higher energy bills, and potential system damage if left unchecked. Here are some common reasons why your furnace might not be distributing heat evenly and what you can do about it.
1. Dirty or Clogged Air Filters
A dirty air filter can restrict airflow, preventing warm air from reaching all areas of your home. Replacing or cleaning your filter every 1-3 months can improve circulation and ensure consistent heating.
2. Blocked or Leaky Ductwork
Leaks, gaps, or blockages in your ductwork can cause heat loss before it reaches certain rooms. Inspect your vents and ducts for obstructions, and consider a professional duct inspection to identify hidden leaks.
3. Thermostat Issues
An improperly placed or malfunctioning thermostat can lead to uneven heating. If your thermostat is in a drafty or sunny area, it may not accurately reflect your home’s temperature, causing inconsistent heating.
4. Poor Insulation
Rooms with poor insulation lose heat faster, making them feel colder than the rest of your home. Adding insulation to walls, windows, and attics can help maintain consistent temperatures.
5. Closed or Blocked Vents
Make sure all vents are open and unblocked by furniture, curtains, or rugs. Closed vents can disrupt airflow, forcing your furnace to work harder while leaving certain rooms underheated.
6. Furnace Size & Efficiency Issues
If your furnace is too small for your home, it may struggle to provide adequate heating. An aging or inefficient furnace may also lose power over time. If you have an older unit, it may be time for a professional inspection or replacement.
What to Do If Your Furnace Heats Unevenly
- Check and replace your air filter.
- Ensure vents and registers are open and unobstructed.
- Inspect ductwork for leaks or blockages.
- Test your thermostat’s accuracy and placement.
- Improve insulation in colder rooms.
- Schedule a professional HVAC inspection.
If your furnace isn’t heating your home evenly, addressing the issue early can prevent further damage and improve energy efficiency. Contact an HVAC professional to diagnose and fix the problem, ensuring your home stays warm and comfortable all winter long.
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See What Our Customers Are Saying:
Aug 8, 2025
We are very happy to recommend this company to everyone. Our furnace broke down on Sunday morning. We phoned them and before noon Grant the owner showed up. He worked on the furnace for about a hour not wanting to give up to fix the problem. The furnace was 17 years old. I was the one talking about replacing it. End result was the next day it was all done. On the Sunday Bob came over with heaters to warm up the house. We decided to replace the water heater at the same time. Thanks Grant for the excellent work. Thumbs up.
Aug 8, 2025
Right on time. Explained how to work the HRV in a different way so the house would not be so dry. Changed my whole house water filter for me as well. Friendly, helpful, caring service!
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!!
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