Introducing Uninterrupted Comfort with the Benefit of Energy Savings.

Addison HVAC FrostShield is a revolutionary new mechanical and unit control technology that not only extends the operating range of air-source heat pumps, but also removes the need for the unit to enter defrost mode during heating operation.

Their Options Are Our Standards.

Both the I-TEC and the Q-TEC offer standard features you’ll typically find as options or in higher-end models with our competitors.

Remove Sound and Vibration from Roof-Mounted Equipment!

The *NEW* Lennox Model L™ features the all-new Lennox CORE™ Control System and Service App