Driven by commitment to customer satisfaction, Mannix Heating & Cooling has been dedicated to providing superior heating and cooling services to the residents of Gaithersburg, MD, Leesburg, VA, Potomac, MD, Sterling, VA, Chantilly, VA, and Rockville, MD. With an unrivalled industry experience and qualified professionals, we specialize in services ranging from Furnace Repair, Heating System Repair, and AC Maintenance, to Heating Installation and Furnace Replacement.

A History of Excellence

Our success lies within our consistent high standard of service which spans across each of its diverse service areas. At Mannix Heating & Cooling, we prioritize customer satisfaction ensuring each instance of Furnace Repair and Heating Installation is handled with the utmost professionalism and efficiency.

Industry Landmarks

A standout area of our service is undoubtedly Furnace Replacement. Amaneuver we execute with high precision and detail. Offering state-of-the art, energy-efficient solutions, our replacements provide not only material benefits, but significant cost savings to customers as well. Simultaneously, Heating System Repair and AC Maintenance are equally robust areas of our operation.

Meaningful Impact

At Mannix Heating & Cooling, each service is directed towards enriching your home environment and getting maximum life out of your systems. Our relentless focus on quality, punctuality, and service makes us an obvious choice for your heating & cooling needs in Gaithersburg, Leesburg, Potomac, Sterling, Chantilly, or Rockville.

Choose Mannix Heating & Cooling. Choose comfort, efficiency, and satisfaction.