Top hvac companies in Gaithersburg, Maryland

Mannix Heating & Cooling is a family-owned and operated HVAC company located at 7824 Beechcraft Avenue in Gaithersburg, Maryland. They offer a special service diagnostic call for $80 until December 31, 2023. Whether you need filters, humidifier pads, or maintenance for your heating or cooling system, Mannix Heating & Cooling has you covered. They provide top-quality HVAC, electrical, and water heating services for residential and commercial projects in Gaithersburg, MD, Chantilly, VA, and surrounding areas. As a Carrier Factory Authorized Dealer, they maintain high standards of customer satisfaction and technical expertise. Their team of professionals handles installations, upgrades, maintenance, and repairs for all major manufacturers and models. Customers praise Mannix Heating & Cooling for their honesty, reliability, and exceptional service. Whether you need AC repair, heating repair, or HVAC installation, Mannix Heating & Cooling is the trusted choice for all your HVAC needs.