The Unseen Heroes of Mannix Heating & Cooling

For years, Mannix Heating & Cooling has served as a beacon of hope for residents across Montgomery Village, Gaithersburg, Rockville and Olney, MD, as well as Chantilly, Centreville, and Dulles, VA. Day or night, in scorching summer heat or icy winter chill, our skilled team is always ready.

Local Service, Unmatched Expertise

Through tears of thousands of AC and heating repairs, we’ve woven a fabric of trust and resilience that spans across these regions. Our experienced technicians aren’t just proficient in HVAC service; they are local heroes, always prepared to bring comfort back to your home, no matter the hour or condition.

In the heat of summer, we are the cooling winds of relief and in cold winter, a warming presence. With every air conditioning installation and furnace service, we ensure to leave enduring comfort and peace of mind.

Committed To Serve

Through service calls and installations, we stitch a thread of protection, a blanket of assurance that shields your home. With us on your side, you are never alone in the face of HVAC issues. Call your local heroes at Mannix Heating & Cooling whenever you need us. We’re always here to ensure comfort prevails in your home.