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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:
Jul 2, 2017
Very impressed they arrive to quote even though I had forgotten to call them back to confirm date & time. They showed the day before installation to deliver the unit. Returned the next day as promised at 9am. Project was completed in a professional manner. They even fixed a few things that they noticed were not installed correctly, or to code by previous heating & air contractors we had at our residence before. Would recommend this company to everyone!
Jun 29, 2017
Greg removed old oil furnace and oil tank from basement relocated new Napoleon propane furnace to allow duct work to be rerouted to a much more suitable location. Moved air conditioner to the new furnace. Dave recommended two available grants to assist with cost. They kept to their original quoted price which was substantially lower than a competitors for the same furnace and work. They completed the work as stated when stated and left the area clean and tidy. We are very pleased with the outcome.
Jun 28, 2017
Twintech installed a Goodman furnace and ac init. Very professional install, both units are working well.
Jun 28, 2017
We had Grant and Greg Dainty quote to replace our 20 yr old furnace. I have known them for years and have had other jobs done by them ( AC and Pool Htr). The price was very reasonable and the job was completed in one day.
Jun 23, 2017
TwinTech was the right choice. Our consultation with Dave set the tone. Professional and knowledgeable, we even received a follow-up call within hours of our install completion, wow! TwinTech arrived as scheduled to install our A/C unit. Within minutes of arrival Greg noted and explained a few out of code faults on our furnace installed by another company, problems fixed, thanks TwinTech. Greg, Grant and "Subaru" Pete were meticulous start to finish. Highly recommended!
Jun 13, 2017
Twintech replaced our aging +20 yrs old Furnace & AC with the variable high efficiency Napoleon Furnace matched with the Goodman AC. Sales guy ,Dave was great, gave a no pressure estimate, explained about the Government Rebate program which they took care of completely including arranging the home energy audit. On the scheduled day Greg and his team arrived on time, did a great job and completed the same day , extremely professional and courteous, cleaned up everything , tested the system, Greg took his time to explain the setup. Very impressed with the Napoleon Furnace 9600 which did a great job in maintaining a comfortable temperature last winter and now with the hot weather the Goodman AC cooled the house in much less time than the old AC unit could ever. From start to finish Twintech were great and have no hesitation in recommending them 100%.
Jun 13, 2017
The Twintech team did an excellent job installing our new Goodman air conditioner. They were polite and professional. Greg was knowledgeable and clearly experienced. Thank you Twintech for bringing our cooling system up to current regulations. Job well done!
Jun 11, 2017
Dave from TwinTech was very knowledgeable, professional and thorough in the buying process. He helped us to identify the best furnace for our home and our budget. When we needed a new filter a year later and seemed to have a problem finding the right one, I called Dave up and he delivered a filter to me the next day! The cost was on par with other retailers, but it was this unexpected personal service that really was impressive. The furnace? Works like a charm.
May 27, 2017
Imagine, it's 5 minutes after the midnight countdown New Year's eve and the furnace quits. We called TwinTech fully expecting to leave a message and actually spoke with Greg, one of the owners! We had an immediate repair early the next morning & a new furnace within the week. We have entrusted TwinTech with all our home HVAC service needs for over 6 years. That's why this week with an opportunity to purchase a new BBQ, we called them 1st to see about a gas line install. It's chicken on the grill tonight! They are efficient, reliable, honest, hard working, and -- attentive is an understatement.
Jan 19, 2016
Wonderful customer service, starting from the job quote (Dave), to the clean install, to the follow-up. Twintech is a small company which installed my Napoleon furnace, A/C, John Wood tank, and ran the line for my gas dryer. The installation was completed as promised in one day. The work area was kept very clean, and they even took care of my old rental tank. The professionalism and wonderful customer service is second to none. They completed all of my rebate paperwork, and now I'm getting $2000 back! You will not be disappointed if you hire this company for your project.
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