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Lawrenceville, GA Heating & AC Repair, HVAC

servicing LAWRENCEVILLE, Lilburn, Dacula, and Gwinnett County

Over 20 Years Serving Happy Customers

We have over 20 years of experience backing our guaranteed service and dedication to your heating and cooling needs in Lawrenceville, Lilburn, Dacula, and Gwinnett County.

Gwinnett County HVAC Contractors
Our services
Air Conditioner Installation in Lawrencevill

Air Conditioner Installation

Furnace Repair and Service in Atlanta

Furnace Repair and Service

Air Conditoner Repair Gwinnett County

Air Conditioner


Furnace Installation and Replacement Lawrenceville

Furnace Installation and Replacement

Air Conditioner Replacement Gwinnett County

Air  Conditioner Replacement

Thermostat Repair and Replacement Atlanta

Thermostat Repair and Replacement

Residential HVAC Service in Atlanta

Keeping your house cool in the summer and warm in the winter is one thing we all want from our home. We also don’t want to have to pay an arm and a leg to do so. Preventative maintenance and a reliable unit will help do just that!

Gwinnett County Heating & Air Conditioning
Commercial HVAC Service in Atlanta

The professionals at R&S McKay are available for emergency repairs, and with our preventive maintenance services, such as annual tune–ups, you can help prevent repairs and equipment failure.

Gwinnett County HVAC Contractors
Service you can trust.

With an A rating from The Better Business Bureau, you can rest assured we will handle your HVAC needs with respect and professionalism.

Heating and Cooling Atlanta GA
Get a free quote today!
Call Us Today: 404-978-3082 
or Fill out the Form Below, and We'll Get Back to You with a Quote
About us

R & S McKay Heating & Air Conditioning is family-owned in Lawrenceville and serving all metro Atlanta, Georgia. We are proud to use the top-of-the-line equipment from Rheem and provide high-quality service and repair on all brands of heating & air conditioning equipment.


We are a full-service heating & air conditioning company. Give us a call to schedule an appointment. Our HVAC technicians are experienced and continuously trained on the latest in HVAC technology, equipment, and techniques.


If you are looking to replace your old equipment or install a new system, we recommend state-of-the-art, high-efficiency Rheem brand equipment. Give us a call today! We'll give you a no-obligation consultation to determine the perfect system for your home or business.

Lawrenceville Air Conditioning | repair | installation

Rodney listened to our needs and answered all of our questions. We trust his team in our home. They were all very professional. We call on them whenever we need help with any of our units and are very happy with our new system recently installed. R&S McKay HVAC is a top-notch company!

J. H.
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