Kennesaw Air Conditioning – Heating

Since 1986, D McKeon Heating and Air Conditioning has been providing air conditioning and heating services, repairs, and installations to homeowners in Kennesaw, GA. We have a wide selection of HVAC products from some of the industry’s most trusted manufacturers like Bryant.


D. McKeon Heating & Air is proud to be a drop off location for MUST Ministries. Through Saturday, December 20th, we will be collecting canned goods or other non-perishable food items, to be delivered to Must Ministries to support their holiday drive. You may drop off at our office or give to our technicians when they are out to your home for service. Thank you for helping to give back to your community!

D McKeon – Top HVAC Contractor in Cobb County

2014 Wi-Fi
Thermostat Winner
Andrew Seawell

Here are some accomplishments that set D McKeon above the rest:

  • All technicians are NATE Certified
  • Voted 2013 HVAC Contractor of the Year
  • Cobb EMC Partner of the Year
  • Member, Cobb Chamber of Commerce
  • Member, Kennesaw Business Association
  • Member, C.A.A.G – Conditioned Air Association of Georgia
    (Dennis was past President and is current Board Member)
  • Member of H.A.A.C.C. – The Heating and Air Conditioning Association of Cobb County
    (Dennis was past President and is current Board Member)
  • Chattahoochee Technical College Advisory board member for the Heating and Air Conditioning Department.
  • BFAD – Bryant Factory Authorized Dealer

Contact the Kennesaw HVAC Specialists at D McKeon Heating and Air

If you would like more information on any of our heating and air conditioning products and services, please call D McKeon at 770-425-8779. We proudly serve Cobb County, south Cherokee County, and East Paulding County including Kennesaw, Acworth, East Cobb, Marietta, Woodstock, and surrounding areas.

d mckeon associations