Lennox Air Conditioners & Heat Pumps

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.

Select a Model to Learn More:

ML15KSPV NEW! Heat Pump

Standard-efficiency, slim-design, variable-capacity heat pump compatible with Lennox' Low GWP Refrigerant

Energy Efficiency and Performance

Variable-capacity cooling and heating for increased efficiency and improved dehumidification, while expanding rebate-qualifying matchups with our leading portfolio of indoor solutions to help you cover a wider range of applications.

ENERGY STAR® Certified.

Dual fuel and all-electric compatibility.

Coil-only matches available.


Ease of Install and Service

Slim cabinet design is up to 40% smaller than like units in its class.

The slim-design cabinet allows for installation in even the tightest areas, making it perfect for space-constrained environments such as zero lot line homes.

Accommodates braze-free installation.

Factory-installed filter drier saves time during installation.


Quiet Operation

Sound levels – as low as 57 dB.

Direct-drive, variable-speed fan – precision-balanced outdoor fan is designed to provide quieter operation and longer product life.


Safety & Sustainability

This product uses R-454B refrigerant which meets the 2025 EPA regulations for lower global warming potential (GWP) refrigerants. Lennox' Low GWP refrigerant has 78% less GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.