Midway Heating Product Lines:
What’s SEER?
Seasonal Energy Efficiency Ratio. It measures cooling output to electrical consumption over a range of temperatures (like gas mileage on a car).
The higher the SEER, the more energy efficient and it’ll cost less to operate.
3 equipment levels from Lennox
The Dave Lennox Signature® Collection is the top of the line, most innovative heating and cooling systems available

Our Elite® Series is environmentally sound engineering, along with the quality and reliability you expect from Lennox

The Merit® line provides outstanding reliability and comfort at an excellent value.
Feeling hot? We've got your new air conditioner ready for you.
XC21 Air Conditioner
Dave Lennox Signature® Collection
- Most quiet and efficient central air conditioner you can buy
- Up to 21 SEER
- ENERGY STAR® qualified icomfort™-enabled technology-can exchange information and make adjustments to optimize performance and efficiency
- SilentComfort™ technology
XC17
Dave Lennox Signature® Collection
- Most efficient and quietest single-stage air conditioner you can buy
- Up to 18 SEER
- ENERGY STAR® qualified icomfort™-enabled technology-can exchange information and make adjustments to optimize performance and efficiency
XC13
Elite® Series
- Reliable and responsible home cooling
- Up to 15.5 SEER
- ENERGY STAR® qualified
13ACX
Merit® Series
- Economical, Environmentally responsible home cooling
- Meets or exceeds 13 SEER
- Reliable and quiet operation
- Works with the Humiditrol® Whole-Home Dehumidification System
