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50+ Years
experience
Emergency
services
Your Trusted HVAC Partner Since 1968
Reliance Heating & Air has been a trusted HVAC service provider in Metro Atlanta and Nashville since 1968. Founded with a commitment to quality and customer satisfaction, we have grown into one of the largest HVAC contractors in the southeastern United States, with offices in Cumming, Conyers, and Nashville. Our team of NATE-certified technicians delivers expert installation, repair, and maintenance services for residential and commercial heating, cooling, and air quality systems. Backed by accreditations from Energy Star, ACCA, and Mitsubishi Diamond Dealer programs, we prioritize ongoing training to ensure our staff remains at the forefront of industry advancements.

With over 275,000 mechanical systems installed and a focus on energy-efficient solutions, we guarantee reliable performance and customer-centric service. Our 24/7 emergency support, comprehensive warranties, and partnerships with leading brands like Carrier, Lennox, and Daikin underscore our dedication to excellence.
Services
HVAC Repair AC Installation Furnace Maintenance Heat Pump Services Ductless Systems Indoor Air Quality
Details
  • Year established: 1968
Highlights and features
  • We offer 24/7 emergency HVAC services for urgent heating and cooling needs.
  • Our technicians are NATE-certified with decades of combined industry experience.
  • We guarantee satisfaction with comprehensive warranties on all installations.
  • We service all major HVAC brands, ensuring compatibility and reliability.
  • Our energy-efficient solutions reduce utility bills while maintaining comfort.
Associations and certifications
  • Energy Star 3.0 Certified
  • ACCA Quality Assured Contractor
  • Mitsubishi Diamond Dealer
  • NATE Certified
  • Earth Craft Certified
What people say
24/7 emergency service Knowledgeable technicians Energy-efficient solutions Prompt response Reliable installations
Services
HVAC Repair
Our HVAC repair services address heating, cooling, and air quality system malfunctions with precision and speed. Technicians diagnose issues ranging from thermostat failures to compressor problems, using factory-certified parts for lasting solutions. We prioritize minimizing downtime to restore comfort quickly.
AC Installation
We specialize in installing energy-efficient air conditioning systems tailored to your home or business. From central AC units to ductless mini-splits, our team ensures proper sizing and configuration for optimal performance and energy savings.
Furnace Maintenance
Regular furnace maintenance extends system lifespan and improves efficiency. Our technicians clean components, check for wear, and calibrate systems to ensure reliable winter heating and lower utility costs.
Heat Pump Services
We provide comprehensive heat pump solutions, including installation, repair, and maintenance. These systems offer year-round comfort by efficiently transferring heat for both heating and cooling, reducing energy consumption.
Indoor Air Quality
Our indoor air quality services combat pollutants like dust, allergens, and mold. Solutions include HEPA filters, UV light systems, and ventilation upgrades to create healthier living and working environments.
Questions
What HVAC services does Reliance offer?
We provide heating, cooling, air quality, and ductless system services, including installation, repair, and maintenance for residential and commercial clients.
Do you offer emergency HVAC service?
Yes, our technicians are available 24 hours a day, 7 days a week for urgent heating and cooling issues.
Are financing options available?
Yes, we offer financing plans to help customers afford essential HVAC upgrades and replacements.
What areas do you service?
We serve Metro Atlanta, Nashville, and surrounding areas in Georgia and Tennessee.
How often should HVAC systems be maintained?
We recommend annual maintenance for heating systems and bi-annual checks for cooling systems to ensure efficiency and longevity.
What brands do you work with?
We service all major HVAC brands, including Carrier, Lennox, Daikin, Mitsubishi, and Trane.