As the chilly seasons draw closer, ensure comfort and warmth stay within your home. Count on Mannix Heating & Cooling for reliable services from Furnace Repair, Heating Installation, to Furnace Replacement. We have strengthened our presence by serving communities from the heart of Gaithersburg, MD to the vibrant cityscape of Rockville, MD.

Our Heating System Repair is designed to be comprehensive and all-encompassing. We have developed a proven layout for system checks to ensure that our solutions meet your every need. Each visit to your home is detail-oriented, fully articulate, and backed with dedicated aftercare.

Beyond heating, we also cater for AC Maintenance in locations such as Leesburg, VA, Potomac, MD, Sterling, VA, and Chantilly, VA. Prepare for the summer heat with regular, reliable maintenance and peace of mind.

Our commitment is your satisfaction, providing top-tier service with a smile. Let your comfort be our responsibility. At Mannix Heating & Cooling, we understand the essence of a warm, inviting home and aim to ensure this is a reality for every resident we serve.