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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:
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.
Jan 26, 2019
Greg came over at 9:30pm to rescue my daughter and I from a horrible experience with Enercare that evening. He was professional. Kind. And got us what we needed quickly and at an afford price. I would 100% recommend calling on Greg and his team for any of your heating and cooling needs in the future!!
Jan 24, 2019
Installed a great hot water heater when our old one failed. When my furnace died during cold weather they showed up quickly and my house was warm before my wife got home. :)
Jan 14, 2019
I dont usually right reviews but when you receive service like this I felt it was a must. Honest and fair. I Have 4 children and on Xmas eve my furnace stopped working and a gentleman came out and got me up and running so at least we would have heat for the holidays. As promised he would replace my furnace early in the new year. The job was completed on time, great price for quality furnace and extremely clean and professional job. Would have never known anyone was in the house. Not a spec of dust or mess from lugging out an old rusty furnace. If you have any ac or heating concerns twintech is your only option. I was royally impressed with and Im sure you will be too.
Jan 14, 2019
Class Act ! These guys were professional right from the quote stage through to installation. They know their stuff and took their time to help educate me. They take pride in their work and it shows. I would recommend TwinTech Heating and Cooling to anyone. Keep up the great work !!!
Dec 28, 2018
This Company is terrific. No high pressure sales and they deliver exactly what they promise to deliver. The new furnace is great and we now get consistent temperatures throughout the house. The installers were great and very efficient and completed the work on schedule on the promised day. Everyone representing this company was very aware of their presence in our house and worked diligently to keep our home as uninterrupted and as clean as was humanly possible. We did not need to go around the house to clean up after they left, what a nice surprise. We have had follow up by the company to ensure everything is to our satisfaction. How unusual in today's environment. The impression left by Twintech is that they care about us and our home. This is so refreshing in today's high tech world. Out thanks go out to Dave in sales and G, G, and P (the installers).
Dec 21, 2018
They were Timely and professional. They were very Knowledgeable with answering all of my questions.
Dec 23, 2018
The entire process was prompt and professional, from the initial quote to the installation of the new furnace. The team installed the new furnace and removed the old one in approx. 4 hrs. The guys were very knowledgeable and gave me lots of information. I have used Twintech before for a new A/C installation and new I was in good hands.
Dec 9, 2018
The overall experience dealing with this company was great from start to finish when getting a new furnace and ac this year. Everything was clearly explained to us during our consultation with Dave and there were no surprises with added costs. The work was done as expected and their response time to inquiries were very timely generally within a few hours or less. They are all very professional and was a pleasure to do business with them. Highly recommend to anyone looking for honest quality professional service.
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