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Trusted HVAC Installation, Repair & Maintenance in St. Louis
Kirkwood Heating & Air Conditioning has been St. Louis's trusted expert in heating and cooling solutions for decades. Our team of certified technicians brings extensive experience in HVAC installation, repair, and maintenance, serving both residential and commercial clients. We prioritize customer satisfaction through reliable service, advanced technology, and personalized solutions tailored to individual needs.

Our commitment to quality is reflected in our 24/7 emergency services, preventive maintenance programs, and transparent communication. With a focus on energy efficiency and indoor air quality, we help clients create comfortable environments while optimizing system performance. Our long-standing reputation is built on integrity, expertise, and a dedication to exceeding client expectations.
Services
AC Repair Heater Installation Heat Pumps Commercial HVAC Indoor Air Quality
Served areas
  • Saint Louis, Chesterfield, Wildwood, Kirkwood, Webster Groves
Highlights and features
  • We offer 30+ years of HVAC expertise in the St. Louis area.
  • Our certified technicians use advanced diagnostic tools for precise repairs.
  • 24/7 emergency service ensures rapid response to urgent HVAC issues.
  • We provide financing options to make system upgrades affordable.
  • Preventive maintenance agreements extend equipment lifespan and efficiency.
What people say
Great service Prompt response Professional technicians Fair pricing Reliable maintenance
Services
AC Repair
Our AC repair service addresses cooling system malfunctions with precision diagnostics and rapid fixes. Technicians handle refrigerant leaks, compressor issues, and thermostat problems to restore comfort. We service all brands and models, ensuring optimal performance during peak summer months. Emergency repairs are available 24/7 for urgent needs.
Heater Installation
Professional heater installation ensures efficient winter heating through proper system sizing and code-compliant setup. We offer Carrier and Bradford White products with energy-efficient models reducing utility costs. Our team handles permits, ductwork adjustments, and system testing for seamless operation.
Heat Pumps
We provide heat pump installation and maintenance for year-round climate control. Services include dual-fuel systems, geothermal options, and Mitsubishi ductless units. Technicians optimize settings for energy savings while maintaining consistent indoor temperatures across St. Louis homes.
Commercial HVAC
Tailored commercial HVAC solutions cover large-scale installations, preventive maintenance contracts, and emergency repairs for businesses. Our sheet metal fabrication department creates custom ductwork, while energy audits identify efficiency improvements for office buildings and industrial facilities.
Indoor Air Quality
Improve respiratory health with our air purification systems, humidifiers, and ventilation solutions. Services include Aprilaire product installations, carbon monoxide testing, and UV light sanitization to eliminate allergens and pathogens from residential and commercial spaces.
Questions
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency repair services for urgent heating and cooling issues.
What financing options are available?
We offer flexible financing plans through Carrier Credit to make system upgrades affordable.
Which areas do you service?
We serve St. Louis and surrounding communities including Kirkwood, Webster Groves, and Chesterfield.
How often should HVAC maintenance be performed?
We recommend biannual maintenance checks to ensure optimal system performance and longevity.
Do you install energy-efficient systems?
Yes, we specialize in high-efficiency Carrier systems that qualify for manufacturer rebates.
Can you service older HVAC equipment?
Our technicians support all brands and models, regardless of age or condition.
Reviews (23)
Geo M.
Jun 04, 2022 Report
Steve did a great job of diagnosing the problem and suggesting a solution. Not pushy at all. Very knowledgeable.
Sydney Keating-Farrelly
May 21, 2022 Report
They have been working with us at both of our salon locations, Pure Joy Salon and Spa and Salon Joy for about two years! They are so helpful and professional! Always going the extra mile to make sure we're taken care of. Brandi is awesome also!
Aj Brown
May 11, 2022 Report
KHAC has always been reliable, informative, and quick with their services. I have used them multiple times now and they will be the only ones I call. Their techs are professional and very informative.
Brian Schreiber
May 01, 2022 Report
It all starts with a phone call. and a kind voice on the other end. I needed help and Kayla seems to answer every time I call. She sends thoughtful reminders about maintenance, very professional and kind on the phone. Every part of this company has met or exceeded my expectations. Don't waste your time or money elsewhere. Services: Heating system repair, HVAC system maintenance, A/C preventive maintenance, A/C system maintenance, Installation, Repair HVAC
Alice Sydow
Apr 30, 2022 Report
Tyler came to my condo as I have a particular small compacted hvac system. He has experience working with national comfort as many do not. The last guy who came to resolve my issue just put easy seal on it because he didn't want to do the work. Tyler diagnosed my problem then gave me a resolution. He was honest, fair, and professional. I can't say enough good things about my experience and look forward for them to help with future repairs!
Thomas Daly
Apr 11, 2022 Report
KHAC is always very professional. The employees I come into contact with are knowledgeable, on time, polite and hard working. Derick and Mike just installed a new H&AC unit, in the rain, and everything went off without a hitch. I would highly recommend this company. Thank you. Services: Install AC, Heating system installation
Debra Minor
Jan 23, 2022 Report
Mike and Derrick did a great job installing my new furnance! They were punctual friendly, professional and answer my question. They finished the job in a timely manner. This was a hassle free experience. Highly recommend! Service: Heating system installation
Alanna Kellogg
Jan 20, 2022 Report
We're long-time customers and have nothing but good things to say: the people are great, from the owners to the front office to the to the repair folks. Everyone shows up when they say, is super polite and professional, very thorough but most of all, fit solutions to our needs. Services: Heating system repair, HVAC system maintenance, Install thermostat, Install AC, A/C system maintenance, Heating system installation, Heating system maintenance, Installation, Repair HVAC, A/C system repair
Bill Ransom
Jan 19, 2022 Report
Our heating system went down. Sales responded immediately. Installation staff was great! Luke and Jason removed the old unit and installed the new one. Steve worked on some duct work. Gary also contributed to the installation. Luke and Jason first thing they did was put down floor covering. Very polite and worked the entire time. Took the time to explain a new digital thermostat. Answered all our questions. Very professional! Thank you, The Ransom's
Quincy Moore
Jun 30, 2021 Report
After the hottest day of the year, thus far, 6/18/21, my A/C unit decides to stop working. After a miserable night of extreme heat, I called Kirkwood Heating and Air Conditioning around 6:30am on a Saturday morning. Their technician, Kevin, arrived at my home in about 40 minutes. He was able to get us squared away in no time. Because of the circumstances, I wasn't really worried about the price, but the fact that Kevin came out so quickly, I would recommend their services to anyone. Thanks Kevin!
The Up & Up Salon Stl
Jun 18, 2021 Report
We had Kevin install our new ac and we couldn't be happier! The whole process was smooth and effortless. He was Professionnel, friendly and on time. He went above and beyond to make sure things were done right. The company was priced fair as well We! We will definitely recommend this company to anyone in need of reliable hvac services. Services: Install AC, Installation
Eric S.
Sep 13, 2020 Report
Collin and Jeff were assigned to install a new heater at my house. Not only did they do the job efficiently and professionally, they were also personable and cool to talk to. Care was taken on little things like using drop cloths to not get the house dirty, meticulous post-installation cleanup, and a crash course in operating the system and reading basic codes from it etc. Basically, KHAC and its people in the field rock.
Chris Deering
Aug 04, 2020 Report
Chris was great to deal with and was very informative. He walked us through multiple scenarios with advice to which units were recommended and - are you ready for this- his recommendation was NOT the most expensive way to go, and then, the other two new unit install guys were perfect! These guys are very knowledgeable, professional, and friendly people in every facet, thanks guys/gals for making this as convenient, quickly installed, and comfortable in St. Louis smack dab in the middle of June!
Stephanie Yusman
Jun 23, 2020 Report
We just had a new furnace and air conditioner installed. Gary and Collin were phenomenal! Very courteous, polite and friendly. They answered all of my questions and they worked well as a team. The work sites were completely cleaned up : Thank you Kirkwood Heating & Air Conditioning for being so professional and courteous throughout this entire process.pre-install/install/post-install
Jennie Meresak
Oct 24, 2019 Report
Great job, KHAC! Our new furnace was installed yesterday. The furnace we ordered and they brought with them was damaged. They were not able to get the same furnace quickly so they upgraded us for free and were still able to install that day. Thanks for being so accommodating!
Michael Morrison
Nov 30, 2017 Report
Its getting harder and harder to find reliable contractors of any kind. Kirkwood Heating and Air Conditioning delivered! Friendly, polite, showed up on time, and did a great job installing our new unit. Highly recommend.
Lisa Prickett Caimi
Oct 24, 2016 Report
I have dealt with Kirkwood Heating and Air Conditioning for many years. This particular appointment was quickly scheduled. Tyler showed up at the early end of my window, was polite and courteous, but also friendly. He answered my questions, explained everything to me and was finished quickly. I will sleep better knowing all is fine for the winter season. Thanks Kirkwood Heating and Air Conditioning, and thanks Tyler!!!
Amanda Coleman
I appreciated that he gave me several different options to address my issue and took the time to answer my questions. I didn't feel like I was being hustled, and that is a good feeling! The guys did a great job installing the furnace & air conditioner - the area was spotless when they left. Would definitely use again.
Jennifer Banta
Chris S. Jeff K. And Kayla T were outstanding to work with. Chris & Jeff showed up early and worked diligently until the job was complete. I am very happy with my new AC. Thank you Kirkwood heating & Air!
Stephanie Yusman
We just had a new furnace and air conditioner installed. Gary and Collin were phenomenal!!! Very courteous, polite and friendly. They answered all of my questions and they worked well as a team. The work sites were completely cleaned up :)
Thank you Kirkwood Heating & Air Conditioning for being so professional and courteous throughout this entire process.....pre-install/install/post-install
Chris Deering
Chris was great to deal with and was very informative. He walked us through multiple scenarios with advice to which units were recommended and - are you ready for this- his recommendation was NOT the most expensive way to go,and then, the other two new unit install guys were perfect! These guys are very knowledgeable, professional, and friendly people in every facet, thanks guys/gals for making this as convenient, quickly installed, and comfortable in St. Louis smack dab in the middle of June!!!
Josh Booth
Very polite and professional. Great rates and the work was top-notch. Would not hesitate to recommend!
Tom Grady
Spoke with Derek on the phone to help resolve our issue. He answered all of our questions and we were able to fix the simple problem. Now we're using them to install some ductwork. I would highly recommend these guys for any service.