Variable-speed fan motor produces consistent airflow, preventing temperature swings
SilentComfort™ technology for peace, quiet and comfort
Designed to integrate with PureAir™ S air purification system
iComfort-enabled for easy control at your fingertips
Enchanced humidity control for incomparable comfort
Get the Lennox 99% AFUE Furnace in just a few steps
Make an order
Choose a furnace, and our customer support team helps you place your order and guide you through the process.
Arrival of a technician
After you confirm your order, we will come to your property at the scheduled time to ensure that all the details are accurate.
Delivery and installation work
Our team will deliver the furnace and install it correctly and reliably to achieve the best performance.
Get a warranty
We offer a warranty to ensure long-term performance, and our post-warranty assistance is always available to assist you after it expires.
Why should you buy a 99 % Efficient Furnacefrom us?
9.7/10
215 reviews
5/5
1188 reviews
Gideon
Apr 25, 2026
Great service all around. The team arrived right on time, handled the AC replacement with care, and kept everything clean and organized. They made sure I understood how everything works before leaving. I’m very happy with the results and the improved cooling.
Aaron F
Feb 08, 2026
Superior HVAC Service, Heating & Air Conditioning St. Catharines provided fast and reliable furnace service. The technician explained the issue clearly, completed the repair without delays, and made sure the heating system was operating properly before finishing the job.