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When is it Time to Get a New Furnace?
Posted On: March 21, 2025
It might be time to get a new furnace if you notice any of these signs:
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Age of the Furnace: Most furnaces last around 15-20 years. If yours is approaching or past that range, it’s likely running inefficiently, even if it still works.
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Rising Energy Bills: Older or failing furnaces have to work harder to produce the same heat, leading to higher utility bills.
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Frequent Repairs: If you’re calling a technician more often — especially for expensive parts like the heat exchanger or control board — replacing the furnace might be more cost-effective than repairing it.
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Uneven Heating: Are some rooms too hot or too cold? A struggling furnace may no longer distribute heat evenly.
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Strange Noises: Banging, rattling, humming, or squealing sounds could signal worn-out parts or structural issues inside the unit.
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Yellow or Flickering Flame: A healthy gas furnace should have a steady blue flame. A yellow or flickering flame could indicate a carbon monoxide leak — a serious safety hazard.
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Poor Air Quality: If you’re noticing more dust, dry air, or allergy symptoms, your aging furnace might not be filtering or humidifying air effectively.
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Short Cycling: If the furnace turns on and off too frequently, it may be overheating or struggling to maintain temperature, signaling the need for replacement.
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Carbon Monoxide Detector Alerts: If your carbon monoxide detector goes off, shut off the furnace immediately and call a professional. A cracked heat exchanger could be the culprit — and that often means it’s time for a new furnace.
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See What Our Customers Are Saying:
Aug 14, 2022
I had them replace my furnace last year. When it came time for the air conditioner this year, I did not hesitate to call Twintech again. I will also have them perform regular maintenance on them.
Aug 13, 2022
We required a new HVAC replacement after running the old
system for 18 years.
Dave understood our requirements and gave us a quote that
covered all the necessary items.
Installation was fast and very tidy. Everything works as
it should. Our thanks to Greg, Mitch and others for their
excellent work. Recommend this family owned business to
anyone else, considering HVAC or other work.
Aug 12, 2022
I needed a new furnace and A/C to replace my 21 yr. old units, and went to the internet to view potential companies in May, I received 3 quotes,
and chose Twintech based on their salesman Dave who was very detailed and covered off everything on what Twintech was all about,
an extremely dedicated company with so many years of experience, and after reading the on line reviews I was sold on Twintech, who did not disappoint as the installation team were top notch with Greg leading,
I would highly recommend this company without any doubts, in my books they are first class all the way. Our new Amana furnace and A/C are working perfectly !
Aug 11, 2022
Flawless transaction. They did exactly what they promised, showed-up on time, cleaned-up, and were highly professional. Highly recommended.
Aug 10, 2022
Salesperson and 2 man installation team were all professional and
knew their stuff. All three were friendly and helpful, answering all
my questions. The quality of their work demonstrated their experience
and expertise in their field.
Aug 9, 2022
A dear late cousin of mine recommended this company and I have been happy with the service.
Aug 8, 2022
We are very pleased with the work done by Twintech. They were very professional from start to finish. Dave came to our home and gave us a very competitive quote for new high efficiency furnace and air conditioner. The installers were very courteous and professional. We would highly recommend them.
Aug 7, 2022
Great experience getting an old furnace replaced.
Sales Guy (Dave) was great - honest, responsive, and friendly.
The work itself was done quickly and we are very happy with the outcome, thank you! We recommend TwinTech!
Aug 6, 2022
This review is late coming so my apologies to the amazing Twin Tech team! I contacted Dave at Twin Tech for a quote this past Feb (as I was collecting a few) and his recommendation was excellent. From the first meeting with Dave to the team installing the new furnace, not once did i feel uncomfortable . The team were extremely professional yet personable and clean and tidy. Decent companies still exist!
The new furnace just purrs and its just amazing the difference it has made!
(PS my sibling ended up getting a furnace from them as well)
Aug 5, 2022
The service was Twintech was excellent.
Dave our salesperson was easy to talk to and was professional. The unit recommended meets our needs and budget.
Greg and his team arrived on time for the installation and even got rid of the garbage the contractors left in our furnace.
Would definitely recommend Twintech.
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