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Most Common Reasons For Your Furnace Breaking Down
Posted On: November 19, 2024
A furnace breakdown is never convenient, especially during the cold months when you rely on it the most. Here are the most common reasons your furnace might stop working and how to prevent these issues:
1. Dirty or Clogged Filters
When filters are clogged, airflow is restricted, causing the furnace to work harder and overheat. This can lead to wear and tear on internal components.
Solution: Replace filters every 1 to 3 months during heavy use.
2. Thermostat Issues
A malfunctioning or incorrectly set thermostat can prevent the furnace from turning on or maintaining the desired temperature.
Solution: Ensure the thermostat is properly calibrated and the batteries are replaced regularly.
3. Ignition or Pilot Light Failure
Problems with the ignition system or a blown pilot light can prevent the furnace from producing heat.
Solution: Clean or replace the igniter and check for gas supply issues.
4. Lack of Maintenance
Skipping regular maintenance can lead to unnoticed problems, such as dirty burners or worn-out components, which cause the furnace to fail over time.
Solution: Schedule professional maintenance annually to keep your furnace running efficiently.
5. Mechanical Wear and Tear
Moving parts like belts, motors, and bearings can wear out over time, leading to inefficient performance or a complete breakdown.
Solution: Regular inspections can catch wear early, allowing for timely repairs.
6. Blocked or Leaking Ducts
Airflow issues caused by blockages or leaks in the ducts can force your furnace to work harder, eventually leading to a breakdown.
Solution: Inspect and seal ductwork as needed to maintain efficiency.
7. Overworking the System
Setting the thermostat too high or running the system continuously without breaks can overwork the furnace, leading to overheating or damage.
Solution: Use a programmable thermostat to optimize heating schedules and prevent overuse.
8. Electrical Problems
Blown fuses, tripped breakers, or faulty wiring can cause the furnace to stop working altogether.
Solution: Check your electrical panel and wiring connections or call a professional if needed.
9. Dirty Burners
If the burners are dirty, they can’t efficiently ignite and heat your home, leading to uneven heating or no heat at all.
Solution: Have a professional clean the burners during regular maintenance.
10. Aging Furnace
Furnaces typically last 15 to 20 years. As they age, efficiency decreases, and breakdowns become more common.
Solution: Consider replacing your furnace if repairs become frequent and the system is outdated.
Key Takeaway:
Regular maintenance, timely repairs, and proper usage can help extend the life of your furnace and prevent breakdowns. If you encounter issues, it’s best to consult an HVAC professional to diagnose and resolve the problem quickly.
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See What Our Customers Are Saying:
Sep 6, 2018
Honest, very personable , men of their word ,workmanship xcellent ,showed up when promised ,They do not try to up sell ,rather give good advice instead . Price was very fair in my opinion .We have a family member with a medical condition and I think they made us a priority .Very happy with these guys . (Nice guys ) Stu Leffler Ajax.
Sep 5, 2018
Very professional, courteous, knowledgeable staff. Sales staff (David Gergley) excellent in knowledge and getting the job setup and installation was very prompt. Greg and Peter (technicians) knew their stuff and stuck around after completion to make sure it all worked properly and that I understood how it all was installed and how the unit worked. Would highly recommend them! Thanks for a great job-house is now cool and comfortable.
Sep 4, 2018
I had Twintech install a brand new air condition back in June of this year and I'm very happy with their service. I have a very busy schedule so I sent out an email to 7 or 8 HVAC companies just to get an idea of what it would cost. Dave at Twintech and only one other company were able to give me an approximate quote through email. Many of the companies I reached out to didn't even respond. I decided to meet with Dave and he was very friendly and professional. He gave me a good quote for a name brand/energy efficient AC with installation from their certified technicians. It was an easy decision to go with them.
Within a week I had the unit installed and working perfectly. Their technicians were very helpful and answered all of my questions. I'll definitely be calling them back for all of my HVAC needs in the future.
Oct 9, 2018
The people from Twintech were very friendly and personable...from the salesman to the installers. The installation was done as scheduled. I love my new air conditioner. My neighbour has a York and that thing is so noisy compared to my Goodman!! Thanks Twintech!!
Sep 5, 2018
Thank you, Twintech. They installed an A/C in my home in the middle of a heat wave which we appreciated very much. I found the team good, not overly friendly, other than the brothers. Dave, the salesperson was awesome, and, it's because of him that I was sold on using Twintech. I had other questions about additional work I am curious about and would have liked them to follow up and provide a quote. Other than that, which ultimately is not related to the great work they did, I would definitely recommend them, although I don't believe they go outside of Durham (check with them).
Aug 4, 2018
We have used this company a few times so I can't remember exactly what we paid but I do know that their fees are always very reasonable.
The first time we called Greg was when our furnace conked out while we were away. He came right away, showed me the problem and fixed it immediately.
The second time was when we needed an air conditioner moved and lifted to a platform. Again, he showed up on time, completed the job quickly (including a new gas line) and the fee was very reasonable.
We have received a quote from Greg to replace the air conditioner and furnace and when we are ready to move ahead, we will be calling him.
I have no hesitation in recommending TwinTech!
Jul 19, 2018
Our rating for Twintech is 5/5 stars. They are very professional and efficient, and the transparency they maintain right from the preliminary assessment till the day of the work is a testament to their experience in the field. We had Twintech replace our air conditioning and furnace, and we appreciate the efforts taken by Greg.
Apr 30, 2018
After 18 years my Air conditioner died in the middle of a heat wave. I entered my information on Home Stars and within the hour Dave from Twin Tech responded and offered to meet me as soon as possible depending on my availability. Dave was very knowledgeable about the products Twin Tech offered and even though this was the first quote I received . I felt very comfortable in giving Twin Tech my business. maybe it was the professional approach. Needless to say that the crew with Greg and Grant arrived promptly at the time they committed to were very professional and within a few hours had the place cool. They cleaned up and one would never know that I had work done . I know that the System is new and I probably wont need to worry about it for some time. However with the professionalism displayed by the crew I feel assured that should I need to call for service Twin Tech will respond. I also know that should I need a new Heating system I will go with Twin Tech. Keep up the good work.
Apr 30, 2018
Greg and team were amazing! All interaction via email and text 100% professional. From consult to product recommendation their service was phenomenal!
Installed a Napoleon furnace (ecm dc drive variable 2-stage) and it was a game changer for the whole house. Blended air temperature through and through the entire house and its saving us money by cutting down our utility bill by ALOT!
Jun 18, 2018
We purchased a new cooling & heating system from Twintech and the team was fantastic. From sales to installation, the team were great to work with. Friendly (our dog even enjoyed having them over), professional and accommodating. Id recommend Twintech in a heart beat to anyone. Superb customer service.
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