Our heating and cooling contractors work with both homeowners and businesses to create healthy, pleasant environments. Our owners have almost 100 years of combined experience — if you encounter an issue with your heating or cooling system, we have the expertise to diagnose and correct the problem. As a locally owned and operated business, we care about continuously building our reputation for reliable services and long-lasting results. We respect you, your time, and your budget. To ensure every customer receives the highest quality services, we service all makes and models and have maintenance contracts available. We are fully licensed and insured.

Combining years of experience with a dedication to client satisfaction, Montell Heating & Air Conditioning LLC has established itself as the local leader in Air Conditioning Repairs, Air Conditioning Services and Furnace Repairs. We specialize in load calculation and HVAC system design for custom homes and any homes, additions or basements, we also offer light commercial services, HVAC maintenance, AC repair, AC replacement, HVAC system installation, HVAC system replacement, Ductwork replacement, new construction HVAC system design & installation, indoor air quality, Air filtration & purification, germicide & virus killer UV lights, heat pumps, Roof top Commercial HVAC systems, commercial kitchen hoods and grease exhaust fan's & more. Carrier Turn to the Experts. Lic #CN210141

Your HVAC system is vital for indoor comfort and clean air quality in your home or business. Don't sweep comfort issues under the rug. Turn to Gwinnett Mechanical HVAC for heating, cooling or water heater services in the Lawrenceville and Alpharetta, GA areas. We can provide the services needed to keep you cool and comfortable indoors, no matter the weather outside.