Lennox CBK45UHPT Air Handler

Lennox CBK45UHPT Air Handler.

The Standard of Affordable Efficiency

With it’s simplified mode of operation, this product offers the air circulation you’d expect in an affordable, efficient package. Your dealer can even select one of three speeds to customize it to your home’s specific needs during install.

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.

Quiet and Reliable

Fully-insulated cabinet reduces sound for quiet operation and helps prevent cabinet sweating in hot and humid environments.

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.

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.