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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:
Apr 28, 2022
We wanted to get our AC replaced as it was 22-years old and added to this our furnace was costing more and more to repair. So, we decided to get both the furnace and AC replaced.
After going through a few quotes and product reviews we decided to go with Twintech. The three-men crew arrived early in the morning, wasted no time and got to work right away. By 2:00 pm, they were all done. Ive found their work to be top notch and they were completely professional. I had all my questions answered to my satisfaction both during the progress of their work and at end.
I have pleasure in recommending Twintech to anyone who is looking to get their furnace or Ac replaced
Nathan S.
Apr 28, 2022
Our air conditioner died On a Saturday and within hours Dave came out to take a look and discuss replacement/repair options.
The new air conditioner was installed on the Wednesday. The new unit was installed quickly. The installers were friendly and cleaned up afterwards.
We noticed a slight leak around the furnace that night and they came out the next day and fixed the issue. It has been working great and is quieter than our previous unit.
Very satisfied and would highly recommend TwinTech.
Apr 28, 2022
I contacted TwinTech to replace my 20-year old A/C. Dave, their service rep, promptly replied and was at my home within 2 hours. He was friendly and knowledgeable and didn't try to upgrade or oversell their A/C units but suggested the best fit for my small 1000 feet bungalow. Although this was during a heatwave and very busy, they were able to fit me in 2 days later. The TwinTech crew installed a 1.5 ton Ducane A/C unit that is now running smoothly while maintaining a constant cooling temperature. The crew were very courteous, professional and efficient and I will definitely recommend TwinTech to family and friends. I much appreciated your great service.
Nancy M., Oshawa
Apr 28, 2022
We had a great experience. The guys who installed our a/c did a nice job. Cleaned up.
Apr 28, 2022
excellent crew, fast and efficient! Would call them again when I need a new furnace.
Apr 28, 2022
Professional, courteous and efficient, dont need to say more than that! Use them you will not regret it.
Apr 28, 2022
TwinTech was a pleasure to deal with from the estimate through installation. We replaced a 28 year old a/c unit with one recommended by TwinTech's sales representative Dave who took the time to go over the product with us and answer any questions. The warranty is for 10 years parts and labour and they will complete the registration for you. Installation was by Greg (owner) and Mitch and Spencer who were quick and efficient and left everything clean and tidy.
Apr 28, 2022
Very professional, from the sales consultation and inspection to the final installation. Met every expectations we had for the job. A local business with great client support. We highly recommend. Twintech is a blue chip! Thanks!
Apr 28, 2022
I left a live chat message on their website that my air conditioning was not working. Within 1hr a representative called me to discuss my options.
The next day he came to the house to review my needs and give me a price for a new system. Price quoted was less than I expected and the installation was completed the following day. I found their salesman and the installers very knowledgeable and easy to deal with. All my questions were answered. Everything was properly explained in regards to what unit was needed and why, along with instruction where needed for use.
The installers made sure everything was working properly before they left.
Apr 28, 2022
This is to thank Twintech Heating and Cooling for their exceptional and timely service. Mitch, their technician was very courteous and generous with his time right from his first meeting with us. He not only took the time to check everything but also educated us on why we needed what he recommended. Greg and Mitch graciously accommodated us on our requested day and time for job to be done. They were both very courteous and responsive to our needs and special requests especially in a tight spot. The job was finished neatly and on time. Thank you Twintech for your great service !
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