Serving Kennesaw, Smyrna, Mableton, Cobb County and beyond
Air Conditioning Replacement Company Cobb County
The decision to replace your air conditioner shouldn’t be taken lightly. At Assured Comfort Heating, Air & Plumbing, we offer air conditioning replacement services tailored to your needs. Whether you’re interested in improving energy efficiency, want a more powerful system, or are concerned about indoor air quality, Assured Comfort Heating, Air & Plumbing’s professionals can help you choose an AC system that’s right for you. As licensed and insured air conditioning installation technicians, we will also make sure your new AC system is installed properly. Assured Comfort Heating, Air & Plumbing is committed to both your comfort and your safety.
Dial (770) 464-5745 and take the first step toward a cooler, more efficient home with air conditioning replacement by Assured Comfort Heating, Air & Plumbing.
Cobb County AC Replacement Call for More Information Today!770-464-5745
Such a pleasure to have them. So sweet and nice and very professional! Give 10 stars!
Vicky Harris
M"Best customer service I have had in a long time"
Best customer service I have had in a long time, highly recommended!
Mary Hartley
a"Very professional and knowledgeable"
Michael Simmons and Rashaad Moultrie were very professional and knowledgeable.
annette rhodes
C"Technicians Were Very Polite"
Work was completed and technicians were very polite.
Cathia King
M"This company is amazing!"
Jesse came to our house and fixed the system and any problem that came up he handled easily and with professionalism.
Matthew Lansburg
L"Excellent Service from Assured Comfort"
Excellent service from Assured Comfort Heating and Air; very personable service technician Tommy who took care of my new hot water heater installation!
Lynda Cleghorn
L"Very professional and helped me get set up"
Jeremy and Kevin both were very professional and helped me get everything set up to replace my old system.
Larry Green
M"The best crew in Atlanta."
The technicians were most courteous, efficient, and quick. Everything explained was top notch. The best crew in Atlanta.
Maryland
D"Technician Nate did an amazing job."
Technician Nate did an amazing job. Very knowledgeable of my HVAC unit.
David Lee
Z"Very explanatory, good, and respectful"
Our serviceman, E.zj., was very explanatory, good, and respectful.
Zack Irick
U"Excellent technician! EJ was so knowledgeable."
EJ was so knowledgeable and patient with us. He answered all of our questions and it was clear that he knew what he was doing.
U Miller
M"Extraordinary and Very Professional"
Michael Simmons and Rashaad Moultrie are extraordinary and very professional. They did the job quickly and did a great job.
Mr Allender
B"Very respectful towards me and my home."
Jeremy was very nice, thorough, and communicative. Very respectful towards me and my home.
Brandon Draper
N"Repairs Were Made During His Visit"
He discussed everything clearly and in layman terms. Also, the repairs were made during his visit.
Nathan Word
L"EJ provided great service."
EJ provided great service. He thoroughly reviewed findings from his checks today and was willing to answer any and all questions.
Lessie Rivon
D"I am beyond happy with my experience"
They worked so hard and didn't leave until my AC was working again. I am beyond happy with my experience with this company.
Debbie Cimosz
R"Great Service. Well Deserved 5 Stars."
Michael Simmons Jr. and Hunter did an amazing job for my cooling maintenance. Highly recommend them to come back for my next visit.
Robert Ballard
C"Highly recommend him to come back"
Michael Simmons did a great job today. He is very knowledgeable and polite, and he was really professional with his work.
Calvin Scott
F"Michael Simmons Jr did an excellent job!"
Michael Simmons Jr is very knowledgeable and polite. He explained everything that he did and showed me plenty of pictures.
Fonda Parker
L"Great service from initial phone call"
My technician Kyle was friendly and knowledgeable, and had the problem fixed very quickly.
Lisa McManus
B"The installation was done in a timely and professional manner."
The installation was done in a timely and professional manner.
Bob Colley
K"Michael Simmons Jr did an amazing job"
Michael Simmons Jr did an amazing job today fixing my AC. Great service.
Keire Davis
D"Communication was great throughout our process"
The communication was great throughout our process and all of the staff and technicians were polite and extremely professional.
Delicia White
R"Very happy"
They moved nonstop and got the job done! Very happy.
Ron Price
J"Very professional job on installing my new HVAC."
Assured Comfort Heating, Air, Plumbing did an excellent, very professional job on installing my new HVAC. I recommend them highly.
Judy Marcopulos
C"He is a great representative for Assurance Comfort!"
The technician was very knowledgeable and transparent; it was a pleasure meeting the young man. He is a great representative for Assurance Comfort!
Charles Winter
G"Michael Simmons Jr did a great job today."
Michael Simmons Jr did a great job today. He is knowledgeable and very kind.
Gwen Jenkins
T"Very professional and polite technician"
They were very professional, especially the technician Nate. Very professional and polite. I would definitely recommend this company.
Tricha James
D"I'm a customer now for life"
The technicians were awesome, friendly, and very respectful. This is the best company I have worked with since I bought my house 25 years ago.
Deb Cim
D"Very professional"
These guys are great. Good communication, reasonably priced, and very professional.
David Keehn
Give 10 stars! ⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️🌺
Michael Simmons Jr. and Rashaad Moultrie are the best professionals to come to work and so nice! I will call again if needed! Thank you all so much! Ms. Davis! Such a pleasure to have them! So sweet, and nice and very professional! Give 10 stars! ⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️🌺 To the young professionals that come and come again to help me, thank you so much! And come back again with patience and virtue! You have made my day! You all listened and explained things and I appreciate it! Much blessings to you, the whole crew coming to my help! 💯💯💯💯⭐️⭐️⭐️⭐️⭐️
Vicky Harris
Best customer service I have had in a long time
Kyle was very prompt, informative, and courteous. Best customer service I have had in a long time, highly recommended!
Mary Hartley
Very professional and knowledgeable
Michael Simmons and Rashaad Moultrie were very professional and knowledgeable.
annette rhodes
Technicians Were Very Polite
Michael Simmons Jr. and Rashaad Moultire did a good job for my cooling maintenance. Work was completed and technicians were very polite.
Cathia King
This company is amazing!
This company is amazing! The tech Jesse came to our house and fixed the system, and any problem that came up he handled easily and with professionalism.
Matthew Lansburg
Excellent Service from Assured Comfort
Excellent service from Assured Comfort Heating and Air. Very personable service technician Tommy who took care of the installation of my new hot water heater! ❤️
Lynda Cleghorn
Very professional and helped me get set up
Jeremy and Kevin both were very professional and helped me get everything set up to replace my old system. Will be recommending them to everyone I know!
Larry Green
The best crew in Atlanta.
Assured Comfort has been our go-to heat and air company for west Atlanta. The technicians were most courteous, efficient, and quick. Everything explained was top notch. The best crew in Atlanta.
Maryland
Technician Nate did an amazing job.
Technician Nate did an amazing job. Very knowledgeable of my HVAC unit. Definitely will be in touch for any future maintenance or issues with our HVAC unit. Thanks.
David Lee
Very explanatory, good, and respectful
Our serviceman, E.zj., was very explanatory, good, and respectful. Issue not resolved as of yet but with hopefulness.
Zack Irick
Excellent technician! EJ was so knowledgeable.
Excellent technician! EJ was so knowledgeable and patient with us. He answered all of our questions and it was clear that he knew what he was doing. With this level of service and professionalism, we'll definitely remain customers of Assured Comfort.
U Miller
Extraordinary and Very Professional
Michael Simmons and Rashaad Moultrie are extraordinary and very professional. They did the job quickly and did a great job.
Mr Allender
Very respectful towards me and my home.
Jeremy was very nice, thorough, and communicative. Very respectful towards me and my home.
Brandon Draper
Repairs Were Made During His Visit
Mike Simmons and Hunter Harrell performed our maintenance today and discovered some areas of concern. He discussed everything clearly and in layman terms. Also, the repairs were made during his visit.
Thanks, you guys!
Nathan Word
EJ provided great service.
EJ provided great service. He thoroughly reviewed findings from his checks today and was willing to answer any and all questions.
Lessie Rivon
I am beyond happy with my experience
Odane and Jahlani installed my system. The environment they had to work in was awful. My house was 88 downstairs and they were working in the attic on a day that was 90 outside. They worked so hard and didn't leave until my AC was working again. I thank them so much for their hard work. I am beyond happy with my experience with this company and will continue to have them service my house.
I also want to thank Michael Simmons and Hunter for coming back out to be sure that my heater is also functioning.
Everyone that has worked on my house has been great!
This is for the business Assured Comfort
Debbie Cimosz
Great Service. Well Deserved 5 Stars.
Michael Simmons Jr. and Hunter did an amazing job for my cooling maintenance. Highly recommend them to come back for my next visit. Great service. Well deserved 5 stars.
Robert Ballard
Highly recommend him to come back
Michael Simmons did a great job today. He is very knowledgeable and polite. And he was really professional with his work. Thank you so much, Michael. Highly recommend him to come back for my future maintenance.
Calvin Scott
Michael Simmons Jr did an excellent job!
Michael Simmons Jr did an excellent job for my cooling maintenance. Michael Simmons Jr is very knowledgeable and polite. He explained everything that he did and showed me plenty of pictures. I enjoyed his service today. Thank you, Mikey.
Fonda Parker
Great service from initial phone call
Great service from initial phone call through completion of the work. My technician Kyle was friendly and knowledgeable, and had the problem fixed very quickly. Thanks!
Lisa McManus
The installation was done in a timely and professional manner.
Assured Comfort technician Ken Marzec did a plumbing inspection of my home in Marietta. He discovered that I had a failing hot water heater and recommended that I replace it. He ordered the heater and it was delivered and installed in a couple of days. The installation was done in a timely and professional manner. I would recommend Assured Comfort to anyone considering plumbing or A/C repairs or replacements.
Bob Colley
Michael Simmons Jr did an amazing job
Michael Simmons Jr did an amazing job today fixing my AC. Great service. Thank you so much, Michael.
Keire Davis
Communication was great throughout our process
My A/C stopped working, they came out and found we had a big leak, so I had to get my coil replaced. That took a few days, so we were without air. The communication was great throughout our process, and all of the staff and technicians were polite and extremely professional.
Delicia White
Very happy
Kyle. The whole team was great once they got here. They had some issues getting here. But once arrived they moved nonstop and got the job done! Very happy.
Ron Price
Very professional job on installing my new HVAC.
Assured Comfort Heating, Air, Plumbing did an excellent, very professional job on installing my new HVAC. I recommend them highly.
Judy Marcopulos
He is a great representative for Assurance Comfort!
The technician was very knowledgeable and transparent; it was a pleasure meeting the young man. He is a great representative for Assurance Comfort!
Charles Winter
Michael Simmons Jr did a great job today.
Michael Simmons Jr did a great job today. He is knowledgeable and very kind.
Gwen Jenkins
Very professional and polite technician
They were very professional, especially the technician Nate—very professional and polite. I would definitely recommend this company. Thank you!
Tricha James
I'm a customer now for life
The technicians were awesome, friendly, and very respectful. This is the best company I have worked with since I bought my house 25 years ago. I'm a customer now for life.
Deb Cim
Very professional
These guys are great. Good communication, reasonably priced, and very professional.
David Keehn
Why Trust Our Services?
Trusted Since 2002
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Community First Approach
Actively engaged in local initiatives and charities.
Comprehensive HVAC Services
Residential and commercial solutions tailored to you.
Senior Special
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- Dec 31, 2025
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A/C, Heating, Plumbing or Electrical Repair Service Call With Paid Repair
Cannot be combined with any other offers or comfort club member discounts. Must mention coupon when scheduling and present at time of service; repairs not included. Additional terms and conditions may apply, call for details.
Valid
Apr 2, 2025
- Dec 31, 2025
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Senior Special Seniors, First Responders and Veterans Save 10%