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Furnace: When to Call a Professional
Posted On: February 24, 2025
A well-functioning furnace is essential for maintaining a comfortable home, especially during the colder months. While regular maintenance can help prevent issues, there are times when professional intervention is necessary. Here are key signs that indicate it's time to call a furnace technician:
1. Strange Noises
Unusual sounds such as banging, rattling, squealing, or grinding can signal mechanical issues, loose components, or airflow problems. A professional can diagnose and fix the problem before it worsens.
2. Inconsistent Heating
If some rooms in your home are significantly warmer or cooler than others, it could indicate ductwork issues, thermostat malfunctions, or a failing furnace. A technician can identify and resolve the underlying cause.
3. Short Cycling
When a furnace turns on and off frequently without reaching the desired temperature, it may be overheating due to a clogged filter, malfunctioning thermostat, or a more serious internal issue. A professional assessment is necessary to prevent further damage.
4. Rising Energy Bills
A sudden spike in energy costs without an increase in usage may indicate that your furnace is running inefficiently. Professionals can perform an inspection to improve efficiency and reduce costs.
5. Weak or No Airflow
If little to no air is coming from the vents, there may be an issue with the blower motor, fan, or clogged ducts. A technician can determine the cause and restore proper airflow.
6. Furnace Won't Start or Stay On
If your furnace fails to start or shuts off unexpectedly, the problem could be with the ignition system, pilot light, or electrical components. A professional can safely repair these issues.
7. Carbon Monoxide Alarm Activation
A carbon monoxide (CO) detector going off is a serious emergency. If this happens, turn off the furnace, ventilate your home, and call a professional immediately to inspect for leaks.
8. Yellow or Flickering Pilot Light
A pilot light should burn blue. A yellow, flickering, or irregular flame may indicate a gas imbalance or carbon monoxide risk, requiring immediate professional attention.
9. Persistent Burning Smells
A burning smell that doesn’t dissipate may indicate an electrical issue, overheating, or a dust buildup. A professional can check for fire hazards and prevent potential safety risks.
10. Age of the Furnace
If your furnace is over 15-20 years old and frequently experiencing issues, it may be time for a professional to assess whether repair or replacement is the best option.
Final Thoughts
While some minor furnace issues can be addressed with simple maintenance, persistent or unusual problems require professional expertise. Regular servicing can help extend the lifespan of your furnace, improve efficiency, and ensure safety. If you notice any of these warning signs, don't hesitate to call a qualified HVAC technician.
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See What Our Customers Are Saying:
Jul 23, 2024
Twintech Heating & Cooling installed my furnace in 2022 and in fall of 2023 installed my Panasonic Heat Pump. Greg and Mitch did a great job. Helped me through the rebate process. Super happy with the Heat Pump. Only used my furnace 5 times this winter. Energy bills lower, carbon emissions lower.Thank you Twintech. I recommend highly!
Jul 18, 2024
Just had a new furnace installed by Twintech. I cant express how great these guys are at what they do. From the sales to installation they were professional all the way. Very reasonable pricing and courteous during the installation and willing to answer any questions I had. Highly recommended !!!
Jul 17, 2024
They've cleaned my furnace a couple of times and mentioned that the hot water tank standards were going to change soon so I decided to change mine out.
There were a few challenges during the process but the installers handled the problems without missing a stride! I now have really hot water again!
Jul 16, 2024
Highly recommend Twintech Heating company, we got honest and detailed information on what was needed to replace and install a new gas furnace. Bob and Greg made us feel comfortable withe process through their thorough explanation and knowledge of the right furnace for our needs. The professionalism and courteous friendly attitude towards the customer is what we liked the most as they treated us like family. So happy with our decision and new furnace we will be looking into get our rental water heater replaced and installed by Twintech team. We feel better having their knowledge on our side and will only trust them with any further maintenance of furnace.
Jul 15, 2024
Customer service and knowledge is priority in this industry, and Twintech has it. I've dealt with their team for maintenance and a furnace replacement. They're accommodating and make great recommendations, and came through at a great price over the big guys in the industry. They'll be my next call when I need service or maintenance.
Jul 14, 2024
I decided that the noises and age of the existing furnace which was old and not very efficient to replace it. Gave Greg a call and Grant and Greg got to work on it. Because of supply issues with the current heating type that would be an easier install Greg convinced me to change the location of the system and it would provide me better service for heat and efficiency. I had skeptical but went ahead anyway putting trust in Greg And Grant. Greg, Grant and Mitch came through and in 2 days had completely relocated my heating and A/C system. I can honestly say Greg was right my old house has been warmer and more evenly heated as it ever was. For anyone reading this rather long winded review can take my word for it, Twin Tech can take care of your needs.
Jul 13, 2024
I called Twin Tech when my air conditioning stopped working. Greg came over to diagnose the issue - the same day. He was able to diagnose the issue and resolve it quite quickly. Although it was a quick fix, Greg was very thorough in explaining the issue and provided great advice. Not to mention, I felt very comfortable having Greg in my home - which I consider very important when hiring a service provider. Twin Tech will be my go-to from now on. Thank you!!
Jan 4, 2023
Great Team! Furnace broke in the weekend, Bob visited same day and Greg installed new one on Monday. Team was professional, respectful and knowledgeable. Installation went very well, Greg found solutions to challenges, like hiding new conduits in the ceiling. Looks nice and new furnace is working great. Five Stars.
Jan 4, 2023
I used Twintech to install a new furnace for my home. Bob was terrific in explaining the sizing options and why the 2 stage furnace was the best option for me. Greg did a great job installing, clean and on time. Finished work looks great but the best part is how it works. The 2 stage heating is so much more comfortable. I run the fan continuously to keep the indoor air clean. Great investment! Would highly recommendTwintech!
Jan 4, 2023
Im going to start this by saying Im a very particular customer. My background is in mathematics and mechanical engineering so I have an eye for detail and a respect for technical knowledge.
Greg had already done an AC inspection and replaced a water heater tank and there was no question in my mind who to deal with replacing my rickety old furnace after it got pooched.
Bob dropped in ahead of time and clearly (and knowledgeably) outlined all technical, price and operational options.
Greg showed up on time, on the agreed date and did a fantastic job. (The OLD furnace was a house of horrors and was installed in a keystone cops sort of way- careless.)
The work Greg did was HIGHLY PROFESSIONAL and FAR MORE FUNCTIONAL than what I had.
Im also a musician with many instruments so maintaining predictable humidity/temperature is extremely important to me. Greg recognized this as did Bob. You NEVER feel like youre being brushed off.
In summary, if youre looking for PROFESSIONAL, QUALITY results by an EXPERIENCED, THOUGHTFUL team
(that also happen to be FRIENDLY and ATTENTIVE ) then youve come to the right page!!
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