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HVAC Sales & Service Companies in Gwinnett

Residential HVAC Service

Lawrenceville and Atlanta area

HVAC Service Gwinnett


Homeowners - Residential HVAC Services Buford GA

Maintenance Contracts

Lawrenceville Heating Services


Proper preventative maintenance should be completed on all HVAC systems, at least on a yearly basis, to ensure that the system is performing efficiently and to capacity.

R&S McKay offers Preventative Maintenance Agreements to help you get the most out of your HVAC system and ensure your home and family maintain a year-round comfort level.

Repair or Replace? When is it time? If your system is past the point of repair, R&S McKay can evaluate and install the best replacement system for your needs.

The benefits

Maximum efficiency, maintenance, repair, and adjust your equipment for better performance.

Increased equipment life with scheduled visits and preventive maintenance procedures.

Helps prevent costly downtime and large, unexpected repair bills.

Tranquility for the whole family when the unit is at maximum efficiency.

Increased comfort of your home.

Air Conditioning

When is the last time someone took a look at your A/C? Looking to install a new central air conditioning system? Our team of expert HVAC technicians and installers is here to help, whatever your needs may be. We have the products, know-how, and years of experience behind our team to keep your home comfortable no matter the weather outside. 

Service & Maintenance

Your Heating and Air Conditioning Systems work best when they're checked and maintained yearly. Having regular service is done on your air conditioner, furnace, heat pump, or other equipment can vastly improve their lifetimes and lower your utility bills. If you are looking to have regular maintenance done on your system, give us a call today.

Heating Services

Having furnace issues? We'll troubleshoot your system and work with you to restore comfort and peace of mind to your home. Should a replacement be necessary, we have top-of-the-line options that are both energy-efficient and reliable.

  • Furnace Repair

  • Furnace Service

  • Furnace Installation

  • Furnace Replacement

Econet & Thermostats

Looking for a digital thermostat? Let us introduce you to Econet. Econet is the first integrated system for your home's heating, cooling, and water heater systems. Whether you're home or away, you can adjust your home's climate control from an easy-to-use app available for both Apple and Android phones. We service, repair, install and replace Econet products and many other popular brands of digital thermostats.

  • Econet System

  • Digital Thermostat Repair

  • Digital Thermostat Installation

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