What Is an Air Handler? Why the Lennox CBK48MVT Could Be a Game-Changer for Your Home Comfort

If you’re researching ways to improve your home’s heating and cooling efficiency, you’ve likely come across the term air handler. But what exactly is an air handler, and how can it make a difference in your comfort, air quality, and energy bills?

At Marsh Heating & Air Conditioning, we believe in helping homeowners understand the HVAC technology that powers their homes. That’s why we’re excited to spotlight the Lennox CBK48MVT, a top-performing air handler that brings exceptional comfort, quiet performance, and energy savings to any home.


What Is an Air Handler?

An air handler is a critical component of a heating and cooling system, especially in homes that use heat pumps instead of traditional furnaces. Think of it as the indoor companion to your outdoor unit. While the outdoor unit handles the heating or cooling of air (depending on the season), the air handler is responsible for:

  • Moving the conditioned air through your ductwork

  • Regulating temperature and humidity via built-in coils and fans

  • Filtering the air, improving indoor air quality

  • Working seamlessly with heat pumps to deliver year-round comfort

In short, an air handler makes sure the warm or cool air produced by your HVAC system gets where it needs to go—quickly, efficiently, and quietly.


Introducing the Lennox CBK48MVT: Advanced Comfort Starts Here

The Lennox CBK48MVT Air Handler is part of the Lennox Elite® Series, known for offering high-quality performance and smart technology integration. It’s specifically designed to work with communicating heat pumps, providing advanced features that set it apart from standard air handlers.

Here’s how the CBK48MVT stands out and why it may be the perfect addition to your home comfort system:


Key Benefits of the Lennox CBK48MVT

Variable-Speed Technology for Consistent Comfort

Unlike traditional air handlers that turn on and off at full power, the CBK48MVT features variable-speed motor technology. This allows the unit to operate at multiple speeds depending on your home’s current temperature needs.

  • Maintains a more stable indoor temperature

  • Reduces humidity levels more effectively in the summer

  • Eliminates the hot and cold spots common in many homes

With smoother airflow and fewer temperature fluctuations, you’ll enjoy a more comfortable environment year-round.

Quiet Operation

Thanks to its advanced motor and thoughtfully designed components, the CBK48MVT runs significantly quieter than standard models. This makes it ideal for households that prioritize peace and quiet—especially if your unit is located near bedrooms or living areas.

Energy Efficiency that Lowers Bills

The variable-speed motor not only enhances comfort but also uses less electricity, since it doesn’t need to power on and off frequently like a single-speed unit. When paired with a high-efficiency Lennox heat pump, the CBK48MVT can help reduce monthly utility costs and maximize your system’s performance.

Smart System Compatibility

This unit is fully compatible with Lennox’s iComfort®-enabled systems. That means it can communicate with smart thermostats to optimize comfort, energy use, and even maintenance notifications.

When connected with an iComfort® S30 or M30 thermostat, you can monitor and adjust settings from your smartphone, track energy usage, and receive alerts if something’s not quite right with your system.

Improved Indoor Air Quality

The CBK48MVT is built to support air filtration enhancements that trap dust, allergens, and other pollutants. That means cleaner, healthier air throughout your home—especially beneficial for households with pets, allergies, or asthma.


Who Should Consider the Lennox CBK48MVT?

This air handler is ideal for:

  • Homeowners replacing an older air handler that’s inefficient or loud

  • New builds that will use a heat pump or hybrid system

  • Families looking to improve humidity control and energy efficiency

  • Anyone interested in smart home integration for their HVAC system

If your current air handler is struggling to keep up—or if you want to upgrade to a variable-speed system that enhances both comfort and savings—the CBK48MVT is an investment worth considering.


Trust Marsh Heating & Air Conditioning with Your Installation

As a Lennox Premier Dealer, Marsh Heating & Air Conditioning has the experience, tools, and training to install and service advanced air handler systems like the CBK48MVT. We’ll help you determine if this unit is right for your home and pair it with the ideal heat pump or hybrid system for maximum performance.

When you choose Marsh, you get:

  • Honest guidance on system compatibility and efficiency

  • Expert installation that meets all manufacturer and safety standards

  • Maintenance plans to keep your system running at peak performance


📞 Call Marsh Heating & Air Conditioning today at 763.536.0667 or visit MarshHeating.com to schedule a consultation and discover how the Lennox CBK48MVT Air Handler can upgrade your home comfort.