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Since 1986 -
Complete Comfort!We are Dependable & Trustworthy!
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Tune-Up Special $791ST HVAC SYSTEM -
HVAC System Installs & Replacements -
Need Appointment?CONTACT D. MCKEON TODAY!
Heating & Air Conditioning Services in Cobb County, South Cherokee County, and East Paulding County including Kennesaw, Acworth, East Cobb, Marietta, Woodstock, & surrounding cities.
HVAC Excellence since 1986
D. McKeon Heating and Air Conditioning has been the most trusted heating & AC company since 1986. We’re a family-owned and operated company that is fully licensed, insured, and certified.
Google Rating
4.9
Based on 71 reviews
D. McKeon Heating & Air Conditioning
4.9
Richard Sullivan
21:43 17 Mar 20
There couldn't be nicer and more knowledgeable people in the HVAC business than D McKeon. Thank you guys and Bob.
donald mikolasy
17:26 06 Mar 20
Kevin from D. McKeon is the best.....knowledgeable, hard working, and very personable....a real pro who knows his stuff!
James Hawk
20:32 21 Feb 20
Craig Reed
20:11 19 Feb 20
Pleasant and punctual. My systems are well maintained at a reasonable price.
De Lenning
13:24 19 Feb 20
Good people to do business with.
Laura Wilmot
15:43 18 Feb 20
Fast friendly service. Fair prices. I've used them for years. Highly recommend
Mark Saperstein
21:34 10 Feb 20
The gentleman who does our regular maintenance and repairs is always punctual, professional, and clearly explains what needs to be done in a manner I can understand. I’m happy to recommend D. McKeon Heating and Air to friends, family, and anyone else in need of this kind of service.
Julie R.
00:31 31 Jan 20
My initial introduction to this great company was with Bob who did my quote for me. Bob is not only extremely helpful and knowledgeable, but he is friendly and very easy to talk to. They were able to schedule me when I needed, which was right away. The installers were the bonus here. Jacob is a highly trained and skilled professional. I am positive this company sees the value in their best employees as they have been there a long time and speak very highly of it themselves. Thank you Bob, Jacob and team for doing such a great job. We will never use another company!!
Mark Ryan
18:06 21 Jan 20
The team at D. McKeon is excellent - top notch in all areas of Sales & Specifications, Installation, and Service.
Brittany Crawford
18:05 21 Jan 20
It hit 27° and of course our heat went out leaving us in a 55° and dropping house. I called D. McKeon because they had 5 stars (which we now know why) and were really close to us in Kennesaw. They were able to get to us within an hour and the technician who came out was quick and informative. He talked us through everything he found gave us helpful suggestions and had the heat back on in a matter of maybe 30 min. After he left my husband said that they would be the people we use from now on. (You don't know my husband but he is VERY hard to impress!) So this was very high praise. We both felt more knowledgeable and informed about our unit and what direction to take in the future. Thank you so much D. Mckeon!
Kimberly Yowell
18:39 15 Jan 20
Great service! We have a maintenance contract with them and we truly appreciate the very detailed service. Preston is the best!
Gary Reed
16:22 03 Jan 20
Very professional and very helpful.
Delores Perry
12:11 13 Dec 19
Doug LaVigne
20:23 03 Dec 19
Preston has been working with us for several years and at two houses. He is thorough and helpful.
Priscilla Nieves
19:55 09 Nov 19
Michael Boucher
19:16 07 Nov 19
Very courteous and accommodating when scheduling appointments. Service is top notch, thorough and on time. Service provided by Preston is fantastic. No question is too basic as he takes the time to answer questions and point out options. We use them for annual furnace and air conditioning checks as well as ac repair about a year ago. Excellent and I’m sure you’ll be happy if you go with them.
H Lacour
18:21 24 Oct 19
After a horrible experience with Reliable Heating and Air (which left us without air conditioning for 5 days during 90° weather) we called D McKeon and had a new unit in less than 24 hours. The customer service provided by Crystal was helpful, calming and knowledgable. Kevin and Bob were amazing in getting the new unit installed right away. Pricing was also a noticeable amount lower than Reliable and we weren't pressured into replacing a working furnace. It's been about a month since our new unit was installed and I'm still so grateful for the care they provided. We are now lifetime customers of McKeon.
Barbara Bowker
12:50 21 Oct 19
I love D. McKeon. It is a company which does great work, and you can have every confidence in them.
david schaich
12:17 21 Oct 19
Marie Hogan
16:01 18 Oct 19
Preston was here this week and everything checked out just fine. I have appreciated your service since day one and your employees are the reason why. Thank you and see you next time, Marie
Katie O'Connor Coulborn
20:52 02 Oct 19
Michelle Yeager
15:25 01 Oct 19
Fantastic, fast, trustworthy service! We use them for our home and business. Love the office and the technicians... everyone is knowledgeable and helpful!
Andy malott
17:11 26 Sep 19
Excellent customer service
Casey Patrick
19:14 18 Sep 19
Great service and very professional staff! Service tech was in & out in 30 mins with an efficient fix and courteous explanation. Not only that, he helped adjust my programmable thermostat to be more efficient for us. Highly recommend D. McKeon!
Frank Lacour
16:59 14 Sep 19
Great service and friendly people
Nancy Osakwe
22:16 11 Sep 19
Howard Kelman
16:40 11 Sep 19
Gof Abbey
12:19 03 Sep 19
We had used this company several times for repairs so it was a "no brainer" when we were looking for regular service. Always available without upping prices when last minute disasters hit and work with you for earliest possible service date. The fact that they are "just around the corner" helps as well.
Karen Hurtt
17:06 31 Aug 19
Bruce Dalrymple
20:13 23 Aug 19
Been using D. McKeon Heating and AC Service for nearly 30 years. Not once have I had a problem. Service is always complete and all questions are answered. My latest technician (Preston) is absolutely the best. And the Office Lady (Crystal) is exceedingly pleasant. I personally highly recommend this company for your HVAC needs.
Melinda McNeeley
19:35 21 Aug 19
All of the staff at D. McKeon have been very helpful, professional and knowledgeable from the customer service representative, to the service tech and the installation crew. We have had our new heating and AC system for 1 year now and we are very pleased with the results and comfort of the system. We were skeptical about paying the extra money for the upgraded system but, it has made a tremendous difference! With the humidity control system, you would never know that we are in the “dog days of summer” from inside our house. If anyone is riding the fence on whether or not to buy the Bryant Evolution System , it is worth it!
Lynn Vanderhoff
15:38 19 Aug 19
Professional and on time! Reasonable rates and great service!
Georgann Toop
16:17 31 Jul 19
Excellent service! Personnel are very professional and efficient at their work!! I ask for Preston each service period as he takes his job very seriously, makes sure my systems are working properly and explains what work was done...I highly recommend this company for your h/ax needs!!
Christy Songster
20:51 23 Jul 19
Preston, our technician, was prompt, professional and thorough. We highly recommend using this company!
drew adams
19:30 22 Jul 19
William Hennessy
16:04 22 Jul 19
After an apparent misunderstanding, Mckeon agreed to refund our service charge and has proven their loyalty and dedication as a customer based establishment and I can continue to recommend their services as a leading HVAC company in our Atlanta market!
Dan Lightner
13:30 07 Jun 19
I have been a loyal D, McKeon customer for over 10 years as well as my sons. They deliver outstanding customer service and best of all really know their stuff. Bob, Preston, and the entire staff are fantastic. Highly recommended.
Roy Adkins
12:53 27 May 19
First they gave me three estimates that the lowest was $11k. Then the next one was $8. Then the last one after they took all the warranties out was $7 and that was after almost a week back and forth negotiations. Finally fed up with McKean, I called a newer company in they area, they actually checked out my system for free, and their quote was under $5k full warranties included.
Ruben Munive
21:15 03 May 19
Did good work but was to expensive. Paid $267 to get a part that costs $40 replaced in 30 minutes.
Ken Hood
13:36 08 Feb 19
Donna Frankovsky
15:08 07 Feb 19
We have been customers for 20 years and would not use any other HVAC company. Their service and staff are top notch. Customers for life.
Paul Derby
11:08 28 Dec 18
Jordan Day
15:27 12 Sep 18
Michael Hughes
14:35 28 Aug 18
This company and its employees are true professionals. I found myself in a bad position with a cooling system failure August 2018 in Kennesaw. Under the guidance and leadership of Bob Best, they found me a prompt and affordable solution. They are highly recommended.
Barbara Bowker
14:52 27 Jun 18
I have complete confidence in D. McKeon. They are completely honest, and I feel their advice is sound. They have helped me tremendously since I moved to Marietta, GA, three and a half years ago, and their technicians are wonderful and very thorough.
John Baldwin
19:41 06 Jun 18
I own a daycare center in Kennesaw, and can not say enough good things about D. McKeon's team. I have 5 units, and over the years I believe that I have had every service tech they have out to my center, and I have met all of the ladies in the office as well stopping by to make payments and different things. Every single person that I have met from there has been consistently helpful, informative and polite. Their prices have always been fair, and everyone from the top down has given honest advice and even steered me away from services that they offer and could have tacked on, that were not necessary. They have been really great with scheduling too, since we are a childcare facility. Again, I can not rate this company and their people highly enough. Even when I mentioned them at the parts store, the guys there have nothing but nice things to say about them. A good name is one of the hardest things in the world to keep and the easiest to lose, and they are doing a great job keeping their name in good standing.
Sheila Rose
14:33 30 May 18
Great company! They installed a new heating & air system with professional service. They always serve you with the best of care to fit your needs.
Christopher Wade
03:02 01 Apr 18
Fantastic experience working with D. McKeon's team. Bob Best was patient in answering all questions, offering his vast knowledge and experience, and personally oversaw the installation of two new HVAC systems tailored to our needs, preferences, and budget. The other members of the installation team, Bob and Kevin, were very professional and performed quality work. Despite facing the stressful scenario of replacing two 25 year old HVAC systems, we were fortunate to choose this company for the job.
Louis Bottino
22:28 28 Feb 18
D McKeon recently replaced a 5 ton HVAC system in our home. After securing two other bids for this work I found McKeon's to be very competitive. Their team completed the work on time and in a very professional manner. I would highly recommend them for any HVAC work.
paulette martin
16:01 15 Jan 18
I would recommend this company highly. I called because our furnace went out and within 3 hours they were there to diagnose the problem. I needed a new furnace (mine was over 30 years old) and they installed a new furnace the next day. Excellent service and would highly recommend you to choose them as your heating and air service people.
Michael Incata
17:37 28 Sep 17
Danny Orlando
16:50 28 Sep 17
I have been a customer of DMckeon for 20 years and I wouldn't do business with anyone else. They are not just a heating and cooling company. They are building science professionals and their work is beyond reproach.
Shelley Yancey
19:56 21 Sep 17
McKeon supplies first rate service and prices - highly recommend the company!
Dean Charles
14:21 21 Sep 17
Always friendly and quick to respond! I would highly recommend them for replacement systems and regular maintenance agreement. Competitive pricing with EXCEPTIONAL service time and time again!
Steve Krock
11:13 21 Sep 17
Alan Judd
04:32 21 Sep 17
A wonderful experience from sales to scheduling to the all important install. Techs were on time, clean and polite. Went about their business in efficent and professional manor.
Melanie Buckshaw
23:58 20 Sep 17
They are honest and dependable. Laurie even went out of her way to find an HVAC person for us at our cabin in Blue Ridge and the reference turned out to be a perfect fit. Thank you!
Kay Erathara
22:48 20 Sep 17
This company is very professional. Focused on great customer service. They are knowledgeable and keep abreast of technology changes. The very best vendor I have ever had for my small business. You are set for your Hvac upkeep if you hire them to take care of it.
Beth Palacios
22:18 20 Sep 17
Mike Kahnle
21:34 19 Sep 17
Robbie Smith
20:30 19 Sep 17
Richard Angeli
19:36 19 Sep 17
We have been clients of D. McKeon for many years. Ever since did our first furnace replacement with them and saved money long term by installing a unit with lower BTU and a 2 stage Blower. We have been in our home for 37 years,, upgraded both of our systems twice and redone our upstairs duct work. All this work has been with D. McKeon
L B
19:11 19 Sep 17
Always very professional and excellent work!
Heather Ambrecht
18:16 19 Sep 17
Fast, through, and efficient. Thoroughly went over all the options available and didn't recommend any unnecessary work. Will be using them in the future for all our heating and cooling needs.
Emery Hildebrand
17:46 19 Sep 17
Knowledgeable, friendly and trustworthy.
Linton Paulk
00:01 06 Jun 17
Very friendly office personnel; techs are competent, do not do extra unneeded work & explain (if you are available) what was done, etc.; you know in advance when tech is supposed to be there and are alerted when he is on the way; reasonable charge.
Darren Martin
22:56 05 Jun 17
Jack Stuhlreyer
18:04 05 Jun 17
Jeffrey Watts
00:04 01 Mar 17
Absolutely the best service you'll find anywhere! They respond quickly, respect your time and are extremely knowledgeable about all things HVAC! Highly recommended!
Alessandro Lima
13:27 15 Aug 12
I was looking for parts for my AC unit. Every place that I searched denied me selling the part and charging me over $250.00.Called D. Mckeon Inc. and the staff was very helpful and courteous. Got the part I needed way below.Thanks.
Kevin Behan
22:19 16 Aug 11
Awesome!!! Air blows cold again and the service was fast and friendly.
Facebook Rating
4.6
Based on 14 reviews
D. McKeon Heating & Air
4.6
Brian Babyak
00:38 30 May 19
Thanks for the quick turnaround and getting my AC back up and running. I’mA customer for life! I highly suggest calling Mckeon for HVAC needs.
Mike Morris
22:41 20 Nov 18
Our 28-year-old furnace finally gave up the ghost last week, and we were amazed by the quick work that D. McKeon made of the new furnace installation. I called them at about 2 p.m. on Thursday and they had a technician at my house checking the old unit by 3:30, and installed the new Bryant furnace the first thing Friday morning. Now THAT'S what I call service!
Reggie Martin
03:24 13 Oct 18
The professionalism of D McKeown heating and air is unquestionable. After making a decision to use this service company a year ago I have never been disappointed in their customer service. If you are shopping around for an HVAC company, I don’t think you could possibly not consider using D McKeon.
Sheri Beth Wimberly-Scovil
18:16 02 Jan 18
Fantastic company! Our for ace dies New Year's Eve a d we already habe a replacemet. Clean, kind and cost effective. Will used for all our future needs!
Mary Ann Fogarty Beckwith
19:54 19 Oct 17
I have used McKeon for over 15 years and they are very reliable and have always given me great service.
Reggie Martin
00:15 04 May 17
It was refreshing to find a company that actually seemed to care about customers. DMcKeon and staff are very professional and got the job done on time, on schedule and at the price they had quoted. I had a home warranty company contract that was cancelled immediately after seeing what honest service felt like. I highly recommend their services.
Beth Hilgert Liotta
16:22 08 Sep 16
Excellent service and people that really care. I have used D. McKeon for over 20 years now. My 16 year old air conditioner was on its last leg and they installed a new one for me as soon as possible. I will always recommend Dennis and his staff. Thanks to all for helping me out. You are the best.
Sue Loftus McBride
19:30 19 Jul 16
Always excellent service and reliable! Thank you for coming out last week, after hours, to make sure our A/C got fixed right away and we wouldn't have to suffer in the heat!
Rita Neitzel Tafelski
15:40 19 Jun 16
Excellent company that gives personalized care. They go above and beyond when you have an issue rather than run like some companies. We bought 2 units from them and had unfortunate issue with install of one causing leak and damage. Bob and staff went beyond to get everything back to normal as fast as possible. Mr. Mckeon even came to our home himself for initial consult and was incredibly nice and attentive. To top it off, when they learned we were Cubs fans, they went out of their way to get us great seats to the CUBS vs BRAVES game! Special thanks to Mr. Mckeon and Bob for these tickets!! It made a great family memory for us!. The entire staff makes you feel like family!
Michele L Smith
13:05 25 Aug 15
I love the staff at D. McKeon Heating & Air. They are all very caring and are truly interested in doing what's best for the customer! I highly recommend the McKeon team!
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Heating & AC Repairs
We repair all makes and models of heating & air conditioning systems.
Financing Options
Our Recent Facebook Reviews
Thanks for the quick turnaround and getting my AC back up and running. I’mA customer for life! I highly suggest calling Mckeon for HVAC needs.
Brian Babyak
00:38 30 May 19
Our 28-year-old furnace finally gave up the ghost last week, and we were amazed by the quick work that D. McKeon made of the new furnace installation. I called them at about 2 p.m. on Thursday and they had a technician at my house checking the old unit by 3:30, and installed the new Bryant furnace the first thing Friday morning. Now THAT'S what I call service!
Mike Morris
22:41 20 Nov 18
The professionalism of D McKeown heating and air is unquestionable. After making a decision to use this service company a year ago I have never been disappointed in their customer service. If you are shopping around for an HVAC company, I don’t think you could possibly not consider using D McKeon.
Reggie Martin
03:24 13 Oct 18
Fantastic company! Our for ace dies New Year's Eve a d we already habe a replacemet. Clean, kind and cost effective. Will used for all our future needs!
Sheri Beth Wimberly-Scovil
18:16 02 Jan 18
I have used McKeon for over 15 years and they are very reliable and have always given me great service.
Mary Ann Fogarty Beckwith
19:54 19 Oct 17
It was refreshing to find a company that actually seemed to care about customers. DMcKeon and staff are very professional and got the job done on time, on schedule and at the price they had quoted. I had a home warranty company contract that was cancelled immediately after seeing what honest service felt like. I highly recommend their services.
Reggie Martin
00:15 04 May 17
Excellent service and people that really care. I have used D. McKeon for over 20 years now. My 16 year old air conditioner was on its last leg and they installed a new one for me as soon as possible. I will always recommend Dennis and his staff. Thanks to all for helping me out. You are the best.
Beth Hilgert Liotta
16:22 08 Sep 16
Always excellent service and reliable! Thank you for coming out last week, after hours, to make sure our A/C got fixed right away and we wouldn't have to suffer in the heat!
Sue Loftus McBride
19:30 19 Jul 16
Excellent company that gives personalized care. They go above and beyond when you have an issue rather than run like some companies. We bought 2 units from them and had unfortunate issue with install of one causing leak and damage. Bob and staff went beyond to get everything back to normal as fast as possible. Mr. Mckeon even came to our home himself for initial consult and was incredibly nice and attentive. To top it off, when they learned we were Cubs fans, they went out of their way to get us great seats to the CUBS vs BRAVES game! Special thanks to Mr. Mckeon and Bob for these tickets!! It made a great family memory for us!. The entire staff makes you feel like family!
Rita Neitzel Tafelski
15:40 19 Jun 16
I love the staff at D. McKeon Heating & Air. They are all very caring and are truly interested in doing what's best for the customer! I highly recommend the McKeon team!
Michele L Smith
13:05 25 Aug 15
Heather Benedict Harris
18:30 15 Aug 13
Tracey Floyd Viars
13:30 16 Jul 13
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Why Choose Us?
Serving homeowners & business since 1986. We are the team to trust!
24 hour emergency services
trustworthy team
highly rated company
free replacement estimates
highly trained technicians
33 years in business
family owned and operated
drug tested employees
Our Recent Google Reviews
There couldn't be nicer and more knowledgeable people in the HVAC business than D McKeon. Thank you guys and Bob.
Richard Sullivan
21:43 17 Mar 20
Kevin from D. McKeon is the best.....knowledgeable, hard working, and very personable....a real pro who knows his stuff!
donald mikolasy
17:26 06 Mar 20
James Hawk
20:32 21 Feb 20
Pleasant and punctual. My systems are well maintained at a reasonable price.
Craig Reed
20:11 19 Feb 20
Good people to do business with.
De Lenning
13:24 19 Feb 20
Fast friendly service. Fair prices. I've used them for years. Highly recommend
Laura Wilmot
15:43 18 Feb 20
The gentleman who does our regular maintenance and repairs is always punctual, professional, and clearly explains what needs to be done in a manner I can understand. I’m happy to recommend D. McKeon Heating and Air to friends, family, and anyone else in need of this kind of service.
Mark Saperstein
21:34 10 Feb 20
My initial introduction to this great company was with Bob who did my quote for me. Bob is not only extremely helpful and knowledgeable, but he is friendly and very easy to talk to. They were able to schedule me when I needed, which was right away. The installers were the bonus here. Jacob is a highly trained and skilled professional. I am positive this company sees the value in their best employees as they have been there a long time and speak very highly of it themselves. Thank you Bob, Jacob and team for doing such a great job. We will never use another company!!
Julie R.
00:31 31 Jan 20
The team at D. McKeon is excellent - top notch in all areas of Sales & Specifications, Installation, and Service.
Mark Ryan
18:06 21 Jan 20
It hit 27° and of course our heat went out leaving us in a 55° and dropping house. I called D. McKeon because they had 5 stars (which we now know why) and were really close to us in Kennesaw. They were able to get to us within an hour and the technician who came out was quick and informative. He talked us through everything he found gave us helpful suggestions and had the heat back on in a matter of maybe 30 min. After he left my husband said that they would be the people we use from now on. (You don't know my husband but he is VERY hard to impress!) So this was very high praise. We both felt more knowledgeable and informed about our unit and what direction to take in the future. Thank you so much D. Mckeon!
Brittany Crawford
18:05 21 Jan 20
Great service! We have a maintenance contract with them and we truly appreciate the very detailed service. Preston is the best!
Kimberly Yowell
18:39 15 Jan 20
Very professional and very helpful.
Gary Reed
16:22 03 Jan 20
Delores Perry
12:11 13 Dec 19
Preston has been working with us for several years and at two houses. He is thorough and helpful.
Doug LaVigne
20:23 03 Dec 19
Priscilla Nieves
19:55 09 Nov 19
Very courteous and accommodating when scheduling appointments. Service is top notch, thorough and on time. Service provided by Preston is fantastic. No question is too basic as he takes the time to answer questions and point out options. We use them for annual furnace and air conditioning checks as well as ac repair about a year ago. Excellent and I’m sure you’ll be happy if you go with them.
Michael Boucher
19:16 07 Nov 19
After a horrible experience with Reliable Heating and Air (which left us without air conditioning for 5 days during 90° weather) we called D McKeon and had a new unit in less than 24 hours. The customer service provided by Crystal was helpful, calming and knowledgable. Kevin and Bob were amazing in getting the new unit installed right away. Pricing was also a noticeable amount lower than Reliable and we weren't pressured into replacing a working furnace. It's been about a month since our new unit was installed and I'm still so grateful for the care they provided. We are now lifetime customers of McKeon.
H Lacour
18:21 24 Oct 19
I love D. McKeon. It is a company which does great work, and you can have every confidence in them.
Barbara Bowker
12:50 21 Oct 19
david schaich
12:17 21 Oct 19
Preston was here this week and everything checked out just fine. I have appreciated your service since day one and your employees are the reason why. Thank you and see you next time, Marie
Marie Hogan
16:01 18 Oct 19
Katie O'Connor Coulborn
20:52 02 Oct 19
Fantastic, fast, trustworthy service! We use them for our home and business. Love the office and the technicians... everyone is knowledgeable and helpful!
Michelle Yeager
15:25 01 Oct 19
Excellent customer service
Andy malott
17:11 26 Sep 19
Great service and very professional staff! Service tech was in & out in 30 mins with an efficient fix and courteous explanation. Not only that, he helped adjust my programmable thermostat to be more efficient for us. Highly recommend D. McKeon!
Casey Patrick
19:14 18 Sep 19
Great service and friendly people
Frank Lacour
16:59 14 Sep 19
Nancy Osakwe
22:16 11 Sep 19
Howard Kelman
16:40 11 Sep 19
We had used this company several times for repairs so it was a "no brainer" when we were looking for regular service. Always available without upping prices when last minute disasters hit and work with you for earliest possible service date. The fact that they are "just around the corner" helps as well.
Gof Abbey
12:19 03 Sep 19
Karen Hurtt
17:06 31 Aug 19
Been using D. McKeon Heating and AC Service for nearly 30 years. Not once have I had a problem. Service is always complete and all questions are answered. My latest technician (Preston) is absolutely the best. And the Office Lady (Crystal) is exceedingly pleasant. I personally highly recommend this company for your HVAC needs.
Bruce Dalrymple
20:13 23 Aug 19
All of the staff at D. McKeon have been very helpful, professional and knowledgeable from the customer service representative, to the service tech and the installation crew. We have had our new heating and AC system for 1 year now and we are very pleased with the results and comfort of the system. We were skeptical about paying the extra money for the upgraded system but, it has made a tremendous difference! With the humidity control system, you would never know that we are in the “dog days of summer” from inside our house. If anyone is riding the fence on whether or not to buy the Bryant Evolution System , it is worth it!
Melinda McNeeley
19:35 21 Aug 19
Professional and on time! Reasonable rates and great service!
Lynn Vanderhoff
15:38 19 Aug 19
Excellent service! Personnel are very professional and efficient at their work!! I ask for Preston each service period as he takes his job very seriously, makes sure my systems are working properly and explains what work was done...I highly recommend this company for your h/ax needs!!
Georgann Toop
16:17 31 Jul 19
Preston, our technician, was prompt, professional and thorough. We highly recommend using this company!
Christy Songster
20:51 23 Jul 19
drew adams
19:30 22 Jul 19
After an apparent misunderstanding, Mckeon agreed to refund our service charge and has proven their loyalty and dedication as a customer based establishment and I can continue to recommend their services as a leading HVAC company in our Atlanta market!
William Hennessy
16:04 22 Jul 19
I have been a loyal D, McKeon customer for over 10 years as well as my sons. They deliver outstanding customer service and best of all really know their stuff. Bob, Preston, and the entire staff are fantastic. Highly recommended.
Dan Lightner
13:30 07 Jun 19
Ken Hood
13:36 08 Feb 19
We have been customers for 20 years and would not use any other HVAC company. Their service and staff are top notch. Customers for life.
Donna Frankovsky
15:08 07 Feb 19
Paul Derby
11:08 28 Dec 18
Jordan Day
15:27 12 Sep 18
This company and its employees are true professionals. I found myself in a bad position with a cooling system failure August 2018 in Kennesaw. Under the guidance and leadership of Bob Best, they found me a prompt and affordable solution. They are highly recommended.
Michael Hughes
14:35 28 Aug 18
I have complete confidence in D. McKeon. They are completely honest, and I feel their advice is sound. They have helped me tremendously since I moved to Marietta, GA, three and a half years ago, and their technicians are wonderful and very thorough.
Barbara Bowker
14:52 27 Jun 18
I own a daycare center in Kennesaw, and can not say enough good things about D. McKeon's team. I have 5 units, and over the years I believe that I have had every service tech they have out to my center, and I have met all of the ladies in the office as well stopping by to make payments and different things. Every single person that I have met from there has been consistently helpful, informative and polite. Their prices have always been fair, and everyone from the top down has given honest advice and even steered me away from services that they offer and could have tacked on, that were not necessary. They have been really great with scheduling too, since we are a childcare facility. Again, I can not rate this company and their people highly enough. Even when I mentioned them at the parts store, the guys there have nothing but nice things to say about them. A good name is one of the hardest things in the world to keep and the easiest to lose, and they are doing a great job keeping their name in good standing.
John Baldwin
19:41 06 Jun 18
Great company! They installed a new heating & air system with professional service. They always serve you with the best of care to fit your needs.
Sheila Rose
14:33 30 May 18
Fantastic experience working with D. McKeon's team. Bob Best was patient in answering all questions, offering his vast knowledge and experience, and personally oversaw the installation of two new HVAC systems tailored to our needs, preferences, and budget. The other members of the installation team, Bob and Kevin, were very professional and performed quality work. Despite facing the stressful scenario of replacing two 25 year old HVAC systems, we were fortunate to choose this company for the job.
Christopher Wade
03:02 01 Apr 18
D McKeon recently replaced a 5 ton HVAC system in our home. After securing two other bids for this work I found McKeon's to be very competitive. Their team completed the work on time and in a very professional manner. I would highly recommend them for any HVAC work.
Louis Bottino
22:28 28 Feb 18
I would recommend this company highly. I called because our furnace went out and within 3 hours they were there to diagnose the problem. I needed a new furnace (mine was over 30 years old) and they installed a new furnace the next day. Excellent service and would highly recommend you to choose them as your heating and air service people.
paulette martin
16:01 15 Jan 18
Michael Incata
17:37 28 Sep 17
I have been a customer of DMckeon for 20 years and I wouldn't do business with anyone else. They are not just a heating and cooling company. They are building science professionals and their work is beyond reproach.
Danny Orlando
16:50 28 Sep 17
McKeon supplies first rate service and prices - highly recommend the company!
Shelley Yancey
19:56 21 Sep 17
Always friendly and quick to respond! I would highly recommend them for replacement systems and regular maintenance agreement. Competitive pricing with EXCEPTIONAL service time and time again!
Dean Charles
14:21 21 Sep 17
Steve Krock
11:13 21 Sep 17
A wonderful experience from sales to scheduling to the all important install. Techs were on time, clean and polite. Went about their business in efficent and professional manor.
Alan Judd
04:32 21 Sep 17
They are honest and dependable. Laurie even went out of her way to find an HVAC person for us at our cabin in Blue Ridge and the reference turned out to be a perfect fit. Thank you!
Melanie Buckshaw
23:58 20 Sep 17
This company is very professional. Focused on great customer service. They are knowledgeable and keep abreast of technology changes. The very best vendor I have ever had for my small business. You are set for your Hvac upkeep if you hire them to take care of it.
Kay Erathara
22:48 20 Sep 17
Beth Palacios
22:18 20 Sep 17
Mike Kahnle
21:34 19 Sep 17
Robbie Smith
20:30 19 Sep 17
We have been clients of D. McKeon for many years. Ever since did our first furnace replacement with them and saved money long term by installing a unit with lower BTU and a 2 stage Blower. We have been in our home for 37 years,, upgraded both of our systems twice and redone our upstairs duct work. All this work has been with D. McKeon
Richard Angeli
19:36 19 Sep 17
Always very professional and excellent work!
L B
19:11 19 Sep 17
Fast, through, and efficient. Thoroughly went over all the options available and didn't recommend any unnecessary work. Will be using them in the future for all our heating and cooling needs.
Heather Ambrecht
18:16 19 Sep 17
Knowledgeable, friendly and trustworthy.
Emery Hildebrand
17:46 19 Sep 17
Very friendly office personnel; techs are competent, do not do extra unneeded work & explain (if you are available) what was done, etc.; you know in advance when tech is supposed to be there and are alerted when he is on the way; reasonable charge.
Linton Paulk
00:01 06 Jun 17
Darren Martin
22:56 05 Jun 17
Jack Stuhlreyer
18:04 05 Jun 17
Absolutely the best service you'll find anywhere! They respond quickly, respect your time and are extremely knowledgeable about all things HVAC! Highly recommended!
Jeffrey Watts
00:04 01 Mar 17
I was looking for parts for my AC unit. Every place that I searched denied me selling the part and charging me over $250.00.Called D. Mckeon Inc. and the staff was very helpful and courteous. Got the part I needed way below.Thanks.
Alessandro Lima
13:27 15 Aug 12
Awesome!!! Air blows cold again and the service was fast and friendly.
Kevin Behan
22:19 16 Aug 11
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Our Recent Advice Articles
Covid-19 Customer Update
As you are aware, all the states in the USA are now being affected by the COVID-19 virus. At D. Mckeon Heating and Air we wanted to reach out to you personally to let you know how we are implementing safety protocols to continue to serve you during this unprecedented COVID-19 season. At this time,…
In Home Virus Protection – Reme Halo
Protect Your Family from Viruses With the recent news regarding Coronavirus protecting your loved ones is a priority. Your indoor air quality is a part of that. Bad indoor air quality consists of airborne allergens such as viruses that your HVAC system blows throughout your home. Ultraviolet germicidal lights such as the Reme Halo kill, prevent, and…
Bryant Medal of Excellence
D. Mckeon Heating and Air wins Bryant® Medal of Excellence D. Mckeon Heating and Air honored as one of the top Bryant dealers in North America. In recognition of unwavering customer service and a dedicated commitment to excellence, Bryant Heating & Cooling Systems is honored to present a Medal of Excellence award to D. Mckeon Heating…
Licensed and Certified
Our satisfied customers:
0McKeon H&A is reliable, dependable and honest!
— R.K., Kennesaw
1Outstanding in every way!
— T.H., Acworth
2Your company always has responded in a timely manner and has been fantastic!
— J.B., Kennesaw
3Very happy with entire project!
— H.R., Kennesaw
4We could not be more pleased! Thank you to Dennis and all his team!
— GC., Marietta
5Great service and great people!
— P.M., Powder Springs
