When it comes to finding quality HVAC services in Montgomery Village, Gaithersburg, Rockville, and Olney, MD, as well as Chantilly, Centreville, and Dulles, VA, look no further than Mannix Heating & Cooling. We are a top-rated HVAC service provider that focuses on the repair, maintenance, and installation of heating and cooling systems.

Our expertise lies in offering reliable HVAC repair service. With exceptional experience and knowledge, our team is ready to manage all the repairs your HVAC system needs. No job is too big or too small for us – from a minor AC repair to extensive furnace services, we ensure all operations are performed to the highest standard.

Mannix Heating & Cooling also specializes in air conditioning installation, which plays a vital role in making your home or business comfortable, especially during summer months. Our experts will ensure the right size and type of system is chosen for your specific needs. Upon installation, we also provide regular HVAC service to maintain its efficiency and prolong its lifespan.

Whether you are on the lookout for heating repair, HVAC service, or air conditioning installation, Mannix Heating & Cooling is your trusted provider. We are committed to offering professional, timely, and dependable service across Montgomery Village, Gaithersburg, Rockville, and Olney, MD, as well as Chantilly, Centreville, and Dulles, VA. Remember, quality HVAC service isn’t just an investment in your comfort, but also in your home or business. Make the smart choice today and choose Mannix Heating & Cooling—where your comfort is our top priority.