Low-speed fan—provides a consistent, continuous flow of warm air
Blower Size - 3 Ton
Heating Efficiency - 97% AFUE
Two-stage, gas valve—works with the variable speed motor to match furnace output to household heating needs
Get the 44 000 BTU Lennox Furnace in just a few steps
Make an order
Our team will assist you in selecting a furnace for your needs. Simply choose from our selection, and we'll guide you through the process.
Arrival of a technician
Once you confirm your order, we’ll visit your property at the designated time to examine it thoroughly and verify all the details.
Delivery and installation work
When the inspection is completed, we will deliver the furnace, and our team will ensure it is installed properly for optimal performance.
Get a warranty
To guarantee long-term performance, we provide a warranty. Once it expires, our post-warranty assistance is available to help you out.
Why should you buy a 44000 BTU Lennox Furnacefrom us?
9.7/10
215 reviews
5/5
1183 reviews
Chloe Brockington
Feb 27, 2026
We had a very good experience with Tyler. After a worrying late night gas leak on one of our pipes, Superior HVAC were able to come round almost immediately the next morning to diagnose and fix the issue same day. Thank you!
a
Mar 07, 2026
franklin did such a good hvac job! my gas valve and furnace needed serious help! so glad to have businesses like this in southern ontario. thank guys!
Harish Menon
Feb 03, 2026
Happy with the furnace repair service from Superior HVAC Sarnia. The technician was knowledgeable, professional, and took the time to explain what caused the problem and how to avoid it in the future. My heating system has been working perfectly since.
Bob Jonas
Feb 16, 2026
Superior HVAC was able to replace my 15 year old furnace that died in the middle of winter. This company responded quickly and was able to save my family from the freezing cold this winter. Definitely my go to from now on!!
EmiT GoOd viBEs
Feb 10, 2026
I contacted Superior HVAC Service, Heating & Air Conditioning for a furnace problem during cold weather. The technician diagnosed the issue right away, replaced a faulty part, and made sure the system was running properly before finishing the job. Professional and reliable service.
We will deliver a Lennox Furnace to any of these cities
Feb 27, 2026
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