Air conditioning systems control temperature, humidity, and the general quality of the air in your home or business. Our technicians can assess your space, comfort, and efficiency requirements and provide you with the best solution for your needs.

We recognize that up to 80% of system performance depends on the quality of installation. This is why we are committed to superior workmanship and staying up-to-date with industry best practices and training.

Our air conditioning services include:

  • Installation of new cooling systems
  • Upgrading to new or more efficient systems
  • Repair and maintenance of existing systems to ensure they continue running as efficiently and for as long as possible

Air handlers

An air handler provides you with the ability to cool and heat every corner of the home with cleaner, more comfortable air. An air handler unit (AHU) can be paired with a heat pump or air conditioner in order to more efficiently circulate warm or cool air throughout a building. In addition to helping regulate temperature and improve circulation, air handlers can also help regulate humidity and clean the air as it’s processed. We can help you choose the right type of air handler for your system and needs. Certain brands, like Trane and American Standard, have all-aluminum coils instead of copper which mean a longer system life and offer products with modular design that allow for installation in tight spaces – without the need for expensive remodeling.

Benefits of Regular Maintenance

Avoid breakdowns and expensive repairs by regularly maintaining your 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 any brand.

  • Comfort when it matters the most
  • Lower energy costs
  • Longer lifespan for your conditioning 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!

Take care of your HVAC equipment

We provide ESA customers with recommendations that could prevent future breakdowns. Leave stress out of the equation and gain the peace of mind that comes with knowing that O’Callaghan Heating & Air is taking care of your equipment.

Don’t let your HVAC system become a disaster, resolve the smaller issues immediately.

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

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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