Family Owned & Operated Since 1986
Servicing Kennesaw and Metro Atlanta

Proudly Providing Kennesaw Quality HVAC & Plumbing Services

McKeon Heating & Air Conditioning has been the most trusted heating & AC company since 1986. When it comes to your home comfort, there's no room for compromise. We’re a family-owned and operated company that is fully licensed, insured, and certified.

2025

Bryant Pinnacle Award Winner - Given to Top Dealer!

4.9

our average rating

38+ years

in the market

Our Services

As HVAC, indoor air quality, and plumbing specialists, we are dedicated to proving you with reliable, professional service to meet all of your indoor comfort needs.


From our tune-up and maintenance services that will keep your existing system running smoothly, to our expert air conditioning and furnace installation and replacement team, we're here to help!

  • Competitive Pricing

    We believe that top-quality air conditioning, heating and plumbing services shouldn't come with a hefty price tag. Our competitive pricing ensures that you get exceptional service without breaking the bank.

  • Free Replacement Quotes

    Is it time for a new air conditioner, furnace or water heater? Curious about the cost? We offer free, no-obligation system replacement quotes, so you can make an informed decision about your home's comfort.

  • Licensed & Insured Technicians

    Your peace of mind matters to us. Our team consists of licensed and insured technicians who bring expertise and professionalism to every job, ensuring your comfort and safety.

Our Services

Air Conditioning

We provide fast, 24-hour emergency service when your air conditioning unit unexpectedly breaks down. Including no service fee with repairs!

Heating

No heat? We repair all makes and models of furnaces and heat pumps. Turn your no heat to home comfort with our trained technicians.

Plumbing

Staffed with expert plumbers, we are committed to delivering top-notch plumbing solutions for your home needs.

Proudly Serving Metro Atlanta

  • Acworth
  • Dallas
  • East Cobb
  • Hiram
  • Holly Springs
  • Kennesaw
  • Marietta
  • Powder Springs
  • Woodstock


Ann P.

Google 5 Star Review

“I have been using McKeon, Heating and Air since 2015. I have had to replace two units, as well as yearly maintenance agreements, and have always had excellent service (Preston is excellent), including their office staff.  I highly recommend them."

Tricia M.

Google 5 Star Review

"McKeon Heating & Air has been taking care of my HVAC system for  over 20 years.  I appreciate the great personalized service that the entire McKeon staff has provided all this time."

Gus S.

Google 5 Star Review

"Always top notch service from the team at D. McKeon. Maintained our units at our old home and now using them at our new townhome. Just installed a dehumidifier and three media filters....Awesome experience! Highly Recommend!"

Proudly Partnered With Industry Leading Brands

Service Area

McKeon Heating, Air & Plumbing services Metro Atlanta including Kennesaw, Acworth, Dallas, Marietta, Woodstock, Canton and more!

Refer-A-Friend

We are dedicated to providing all customers the highest level of customer experience through the McKeon Promise. We hope to treat you so well, that you recommend us to your friends & family.

About McKeon

McKeon has been Kennesaw based and serving Metro Atlanta since 1986. Offering repairs, maintenance, and installation of all brand of HVAC equipment.