Lennox Products

We use Lennox products because they are top of the line, reliable, as well as fairly priced. Above all, they help to make our customer’s homes more comfortable, cleaner, and just better. Even more, their innovative systems are energy efficient, as well as quiet.

Lennox Innovation and Daves Cooling & Heating

Lennox Products Heating Cooling – These are heating & cooling products currently offered by Dave’s Cooling & Heating. We also offer products by Lennox, Mitsubishi and also Navien. Contact us here.


Dave's Cooling and Heating is an Authorized Dealer of Lennox Air Conditioners in Frederick, MD

Air Conditioners

Exacting precision makes Lennox® air conditioners among the quietest and most energy-efficient units you can buy.

Dave's Cooling and Heating is an authorized Lennox Heat Pump Dealer in Frederick, MD

Heat Pumps

Enjoy innovation in every season with precise, quietly efficient Lennox® heat pumps that keep your life simply perfect.

Dave's Cooling and Heating is an Authorized Lennox Furnace Dealer in Frederick MD


Lennox® furnaces are some of the most efficient and quietest heating systems you can buy. The furnaces are designed for both perfect warmth and savings.

Dave's Cooling and Heating is an authorized Lennox Thermostat Dealer in Frederick MD


The energy-saving control of precise Lennox thermostats makes comfort even better. Most noteworthy is one of their leading products is the iComfort® S30.

Dave's Cooling and Heating is an authorized dealer for Lennox HVAC systems

Packaged Systems

Their self-contained units are engineered for high performance. Another benefit is its easy installation.

Lennox Products in Maryland

Finally, Dave’s Cooling & Heating helps homeowners throughout Maryland and also West Virginia. We aid in finding, repairing, inspecting and installing Lennox units. We ensure your unit is installed correctly to fit your needs all while helping you keep it in excellent working condition.

Learn more about the services we can offer you by calling (301) 401-2780 or click here!