Lennox Air Handlers

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

Select a Model to Learn More:

CBK47UHET Air Handler
High performance, high-efficiency, constant-torque air handler compatible with 2025 Compliant Refrigerant

Constant torque, constant efficiency

The Power Saver™ constant-torque motor adjusts airspeed based on demand. This helps the air handler use less energy in both heating and cooling modes.


Optional electric heat

Your dealer can customize your air handler to your home by installing optional electric heat strips. These preheat air before circulating it through the home and delivers heat in stages to help prevent drafts.


Our Uncontested Quantum™ Coil

With years of rigorous testing under the most extreme conditions, our Quantum™ Coil–featuring a proprietary aluminum alloy exclusive to Lennox– is designed to weather the harshest elements.


Peacefully quiet operation

Fully insulated two-piece cabinet optimizes air flow, helps prevent cabinet sweating in hot and humid environments, and reduces operating sound levels for quiet and comfort throughout your home.


A refrigerant that’s better for the environment.

This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.