Our mission is to develop lasting relationships by providing the highest quality HVAC (heating, ventilation, and air conditioning) services and products to our customers.

All of our staff, from our service technicians to our sales staff and managers, have the experience and knowledge to provide you with the most efficient and cost-effective solution for your HVAC needs, whatever it may be.

BENEFITS OF REGULAR MAINTENANCE

Avoid breakdowns and expensive repairs by regularly maintaining your heating and cooling systems.

When you combine superior products with the outstanding workmanship of our technicians, you can be confident that your comfort systems will consistently meet or exceed your needs, season after comfortable season. We’re fully trained to perform maintenance on a wide variety of brands.

  • Comfort when it matters the most
  • Lower energy costs
  • Longer lifespan for your comfort systems
  • Cleaner air
  • Less chance for costly repairs

At O’Callaghan Heating & Air, we offer ESA (Energy Savings Agreements) to all of our customers. Spend today so that you can save on high repair costs tomorrow.

BENEFITS OF AN ESA

  • ESA customers receive a 15% discount on repairs.
  • ESA customers get priority service.
  • ESA customers get reminders about appointments.
  • ESA customers receive a comprehensive tune-up.
  • ESA customers receive recommendations.
  • ESA customers enjoy the peace of mind.
  • Become and ESA customer today!

Contact us today to book your repair, service, or installation. We are ready to help with all of your HVAC needs.

READY FOR YOUR NEXT HEATING OR COOLING PROJECT?

Contact us to get a quote and see why our customer service is recognized as the best in the industry.


Proudly serving all of Metro Atlanta for over 40 years

We serve your area!

  • Clayton
  • Cobb
  • Coweta
  • Dekalb
  • Douglas
  • Fayette
  • Fulton
  • Gwinnett
  • Henry

Learn more about our furnace services
Learn more about our air conditioning services

YOU COME FIRST, NO QUESTION

Our high quality work, competitive pricing, and superior knowledge of the industry are all key factors that contribute to our continuous customer satisfaction. We offer the top of the line heating and air-conditioning (HVAC) services to both residential and commercial properties. Excellence is our standard.

RELIABLE, GUARANTEED SERVICE

  • Excellent Customer Service
  • Professional Trained Technicians
  • Highest Rated Equipment
  • Competitive Pricing
  • Top Quality Work Performed
  • Free System Replacement Estimate
  • Equipment Warranties
  • Incredible Reputation

Learn more about us