Lennox® furnaces are some of the most efficient and quietest heating systems you can buy*. They’re engineered for perfect warmth and savings.

Exacting precision makes Lennox® air conditioners among the quietest and most energy-efficient units you can buy.

Enjoy innovation in every season with precise, quietly efficient Lennox® heat pumps that keep your life simply perfect.

Solar-ready air conditioners and heat pumps can be easily combined with SunSource® modules to deliver powerful savings.

Self-contained units engineered for high performance and easy installation

Indoor air quality systems including home air cleaners, air purifiers, home air filters, and more from Lennox, the leader in home air quality.

Lennox® air handlers are among the most efficient and quietest you can buy.

For homes in northern regions that rely on boilers for heat, there’s no better choice than Lennox.

With a low-profile design and a range of capacities, Lennox® garage heaters bring reliable and efficient warmth to almost any garage or workspace.

When only certain rooms need heating and cooling, Lennox® Ductless Mini-Split heat pumps and air conditioners provide a smart, flexible solution.

Lennox® comfort is made even better with the precise, energy-saving control of Lennox thermostats, leading with the iComfort® S30.

By redirecting air to specific areas, a Lennox® zoning system keeps your family perfectly comfortable and keeps your home efficient.