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How Long Should My Furnace Last?
Posted On: February 18, 2025
A well-maintained furnace typically lasts 15 to 20 years, though this can vary depending on factors like maintenance, usage, and the type of furnace. Here’s a breakdown of different furnace lifespans:
- Gas Furnaces: 15–20 years
- Electric Furnaces: 20–30 years
- Oil Furnaces: 15–25 years
Factors That Affect Furnace Lifespan:
- Maintenance – Regular tune-ups and filter changes can extend its life.
- Usage – More frequent use shortens lifespan.
- Installation Quality – A properly installed furnace lasts longer.
- Brand & Model – Higher-quality units often have longer lifespans.
- Climate – Harsher winters mean more strain on the furnace.
Signs It’s Time to Replace Your Furnace:
- Frequent breakdowns
- Rising energy bills
- Uneven heating
- Strange noises or smells
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See What Our Customers Are Saying:
Jan 1, 2015
My old furnace had finally broken down for the last time when contacted twintech to have a new furnace installed They were prompt, knowledgeable and very reasonably priced. They did such a great job i tell all my friends and family about this company.
Jan 1, 2015
To whom it may concern, I recently had TwinTech (Greg and Grant Dainty) replace my furnace and service both my gas fireplaces and air conditioning unit. They were professional, courteous and very fair in their pricing. I would gladly recommend TwinTech to anyone needing work done. I can be contacted at 905-626-XXXX.
Jan 1, 2015
My Fiancé and I have relied on Twintech Heating and Cooling now for the better part of the last 10 years. In that time, Greg has installed a furnace, an air conditioner, and a heat-pump at our residence in Toronto. In each instance Greg and his team were a pleasure to deal with. They were courteous and professional throughout the whole process and the quality of their work is first rate. Our experiences have always been extremely positive and we have referred his services numerous times to our friends and family. Without hesitation, I would recommend Greg and TwinTech Heating and Cooling to anyone looking to service or replace their existing heat/AC equipment
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