Business Details
Emergency
services
Your Trusted HVAC Partner in Lawrenceville, GA
R & S McKay has been serving the Atlanta metropolitan area for over two decades, establishing itself as a trusted provider of comprehensive HVAC solutions. Our family-owned business specializes in residential and commercial heating, cooling, and air quality services, combining technical expertise with personalized care. Our team of certified technicians undergoes continuous training to stay current with the latest industry advancements, ensuring we deliver reliable repairs, efficient installations, and preventive maintenance. We exclusively recommend Rheem brand equipment for its proven performance and energy efficiency, while maintaining the capability to service all major HVAC brands. With 24/7 emergency response and flexible scheduling options, we prioritize customer convenience without compromising service quality.Our preventative maintenance programs help clients avoid unexpected breakdowns while optimizing system longevity and energy consumption. Backed by an A rating from the Better Business Bureau, we maintain strict adherence to professional standards and transparent communication. Financing options are available for qualified customers seeking system upgrades. Our service area spans Atlanta, Lawrenceville, Lilburn, Dacula, and Gwinnett County, addressing both routine maintenance needs and urgent repair situations. Through consistent focus on technical excellence and customer satisfaction, we have built lasting relationships with homeowners and business operators throughout the region.
Services
Air Conditioner Installation
Furnace Repair
Thermostat Replacement
Commercial HVAC Service
Preventative Maintenance
Emergency Repairs
System Replacement
Indoor Air Quality Solutions
Highlights and features
- We offer 20+ years of specialized HVAC experience in Atlanta's climate conditions
- Our technicians maintain active certifications and ongoing manufacturer training
- We guarantee prompt 24/7 emergency response for critical system failures
- Exclusive partnership with Rheem ensures access to cutting-edge equipment warranties
- Customized preventative maintenance plans reduce long-term operating costs
What people say
Top-notch company
Very professional
Experts in HVAC
Prompt emergency response
Happy with new system
Services
Air Conditioner Installation
Our certified technicians deliver precision air conditioner installations using Rheem's latest energy-efficient models. We assess your property's cooling requirements and existing infrastructure to recommend optimal system sizing and configuration. The installation process includes proper refrigerant charging, electrical connections, and thermostat integration to ensure maximum efficiency and comfort.
Furnace Repair
We provide rapid diagnosis and repair of all furnace makes and models. Our technicians carry common replacement parts to complete most repairs during the initial visit. Services include combustion analysis, heat exchanger inspection, and safety control testing to restore safe, efficient heating operation during cold weather emergencies.
Preventative Maintenance
Our comprehensive maintenance program includes multi-point system inspections, component lubrication, and performance optimization. Regular maintenance extends equipment lifespan, improves energy efficiency by up to 30%, and helps prevent unexpected breakdowns. Clients receive detailed service reports and maintenance history tracking for warranty compliance.
Commercial HVAC Service
We specialize in maintaining commercial HVAC systems for offices, retail spaces, and industrial facilities. Our services include rooftop unit maintenance, VAV system calibration, and energy efficiency audits. Emergency service vehicles stocked with commercial-grade parts enable rapid resolution of business-critical climate control issues to minimize operational disruption.
Thermostat Replacement
Upgrade to programmable and smart thermostat systems for enhanced comfort control and energy savings. Our technicians install and calibrate digital thermostats compatible with existing HVAC systems. We offer models with Wi-Fi connectivity, learning algorithms, and zoning capabilities to optimize temperature regulation throughout residential and commercial properties.
Questions
What HVAC services do you offer for residential clients?
We provide complete residential HVAC solutions including air conditioner installation, furnace repair, thermostat replacement, and preventative maintenance programs tailored to home cooling and heating needs.
Are emergency HVAC repairs available after hours?
Yes, our 24/7 emergency service responds to urgent heating and cooling failures outside regular business hours, ensuring prompt resolution of critical system issues.
Do you service commercial HVAC systems?
Yes, we specialize in commercial HVAC maintenance, repair, and installation for businesses, including rooftop units, VAV systems, and energy efficiency optimization for commercial properties.
What areas do you serve?
We serve Atlanta, Lawrenceville, Lilburn, Dacula, and all Gwinnett County locations, providing both residential and commercial HVAC services throughout the metro area.
Can you help reduce my energy bills?
Our preventative maintenance programs and energy-efficient equipment upgrades improve system performance while reducing monthly utility costs through optimized HVAC operation.
Do you offer financing options for new systems?
Yes, qualified customers can access financing plans for HVAC replacements and upgrades, making it easier to invest in energy-efficient heating and cooling solutions.