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Is My Furnace Heating Unevenly?
Posted On: February 4, 2025
If your furnace is heating your home unevenly, it could indicate a problem with the system or other factors affecting heat distribution. Here are some common causes and potential solutions:
1. Clogged or Dirty Air Filters
- Cause: A dirty filter restricts airflow, making it harder for warm air to circulate evenly.
- Solution: Replace or clean the air filter regularly (every 1-3 months).
2. Blocked or Closed Vents
- Cause: If vents are blocked by furniture, rugs, or other objects, airflow can be disrupted.
- Solution: Make sure all supply and return vents are open and unobstructed.
3. Thermostat Issues
- Cause: A malfunctioning or poorly placed thermostat (e.g., near windows or heat sources) can cause uneven heating.
- Solution: Check the thermostat settings and placement; consider upgrading to a programmable or smart thermostat.
4. Ductwork Problems
- Cause: Leaky, disconnected, or poorly designed ductwork can lead to heat loss and uneven distribution.
- Solution: Inspect the ducts for leaks or damage and seal them with duct tape or mastic sealant. A professional HVAC technician can help if the ductwork is severely damaged.
5. Furnace Size and Age
- Cause: An undersized furnace may struggle to heat your home evenly, while an oversized unit may short-cycle, leading to uneven temperatures.
- Solution: Have an HVAC professional assess whether your furnace is appropriately sized for your home.
6. Insulation and Drafts
- Cause: Poor insulation or drafts around doors and windows can cause some rooms to be colder than others.
- Solution: Add insulation where needed and seal gaps around windows and doors.
7. Zoning Issues
- Cause: Larger homes may have difficulty maintaining even heat if there’s no zoning system.
- Solution: Consider installing a zoning system or using space heaters in problem areas.
If you're still experiencing uneven heating, it may be best to have a professional HVAC technician inspect your system.
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See What Our Customers Are Saying:
Jul 28, 2022
On coldest night of the year our furnace quit. At 8:40 in the morning Greg arrived and gave us a diagnosis and a recommendation. By 2:30 we had a new furnace and were warm again. Great company. Great customer service. Good reasonable price.
Peter, Pickering
Jul 3, 2022
Twin tech team was very efficient and prompt. They provided a quote within hours of request and got the job done on time. No disruption to home function. We would highly recommend this team. Job well done.
Jul 3, 2022
Our furnace bit the dust, and Twintech came out to troubleshoot and diagnose the problem within a couple of hours. Mitch was super helpful, patient, and answered all of our questions. When we decided to get the furnace replaced, the crew was over first thing the next morning and did a fantastic job. Not only did they complete the job in a few hours, but they cleaned up and respected our house as they went, and answered all of our follow-up questions. I've used Twintech for our HVAC needs in the past and will continue to do so. I'd recommend them to anyone, and it feels good to support a local, family-owned business.
Jul 3, 2022
Dave and the Twintech team were fabulous from day 1 and helped us through the process to identifying a new furnace and AC unit. This was our first time through this process and Dave did a thorough job explaining all the components and was very patience answering all our questions. Dave provided great insights and fair pricing.
The Twintech team did an awesome installation. Very clean and efficient. I would highly recommended their service.
Jul 3, 2022
We had a new Amana furnace installed by Twintech and we were very pleased with the installation. It is nice to have a warm house again.
Jul 3, 2022
Excellent job. Excellent service. Competitive price. Its rare to find a company with the knowledge and professional results we have experienced with Twintech. The clean and neat installation with attention to detail and drop sheers to respect our property is a clear indication of Twintechs high level of integrity. The 1-1/2 gas line upgrade they did for our pool 3 years ago was awesome. Can't say enough. Thank-you Twintech.
Jul 3, 2022
Twitch did a great job with the installation of our new furnace. I really appreciated their honesty and I could trust what they were telling me. Another company tried to suggest significantly more work at a greater cost claiming it was necessary to meet current building code. Twintech is very fair. All staff I meet were friendly, polite and trustworthy. I would recommend Twitch for a furnace.
Jul 3, 2022
This is a professional team that's easy to deal with. I would strongly recommend them
Jul 3, 2022
Very professional firm from start to finish!
They removed the old oil tank and furnace. They installed air conditioning and a new propane furnace.
Professional installation, on time and no mess.
Very pleased with their work and would highly recommend the company. Our house is three stories so they spent the time to do all the calculations to make sure we would have great performance on each floor.
Thank you again!
Jul 3, 2022
Upon a routine yearly maintenance, it was discovered there was a leak in the heat exchanger and a I needed a new furnace. I know nothing about these things and was completely stressed out. The company I had the maintenance plan with quoted me a huge number to rent a furnace, I just wanted to cry. Then I spoke to Dave at Twintech. He was so knowledgeable and calming, provided me a fair quote and within a few days I had an amazing crew show up to my house and install my new energy efficient furnace! I have already recommended these wonderful people at Twintech to a good friend of mine. Thank you Twintech!!
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