Lennox | CBX40UHV Air Handler

Variable-speed technology provides a constant flow of air, with no loud drafts or operating sounds. Steady air movement also enhances efficiency.


Lennox CBX40UHV Variable Speed Air Handler

The quietest and most efficient air handler you can buy

Industry’s lowest sound levels – SilentComfort™ technology and extra-thick insulation help minimize operating sounds, making the CBX40UHV the quietest in the industry

Comfort you can control on the go – The CBX40UHV is compatible with the advanced control of the iComfort® S30 Smart Thermostat, which delivers unparalleled comfort and connectivity, whether you’re home or away.

See how a Heat Pump & Air Handler works

Additional information


Variable-Speed Blower Motor

SilentComfort™ Technology


Insulated Blower Compartment