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Looking for reliable Heating and Air Conditioning services in Lawrenceville and Gwinnett County? Look no further! Our team of experts is here to provide you with top-notch HVAC repair, installation, and maintenance services. Contact us today to schedule an appointment and experience the comfort and peace of mind of a properly functioning HVAC system.

Over 20 Years Serving Happy Customers

Unlocking 20+ Years of Expertise: Your Trusted Partner for Heating and Cooling Solutions in Atlanta, Lawrenceville, Lilburn, Dacula, and Gwinnett County. Our Proven Guaranteed Service Delivers Unmatched Comfort and Reliability.

Our services

Air Conditioner Installation

Furnace Repair and Service

Air Conditioner


Furnace Installation and Replacement

Air  Conditioner Replacement

Thermostat Repair and Replacement

Residential HVAC Service in Atlanta

Affordable Year-Round Comfort: Optimize Your Home's Climate with Preventative Maintenance and Reliable HVAC Systems!

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

With an A rating from The Better Business Bureau, you can rest assured that we will handle your HVAC needs respectfully and professionally.

Heating and Cooling Atlanta GA
Receive Your Free Quote Today! Contact Us Now for a No-obligation Estimate!
Contact Us Today at 404-978-3082 or Fill Out the Form Below for a Quick Quote! We're Here to Assist You.
About R & S McKay Heating & Air Conditioning: Your Trusted HVAC Experts in Lawrenceville and Metro Atlanta

R & S McKay Heating & Air Conditioning, a trusted family-owned business in Lawrenceville, proudly serves the entire metro Atlanta, Georgia area. As a full-service heating & and air conditioning company, we prioritize top-notch service and repair on all HVAC brands. Our expert HVAC technicians are highly experienced and continually trained in the latest technology and techniques.

Looking to upgrade or install a new system? We recommend the cutting-edge, high-efficiency Rheem brand equipment. Contact us today for a no-obligation consultation to find the perfect HVAC system for your home or business. Call us now to schedule an appointment and experience our exceptional service firsthand!

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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