Stay Cool Climate Control

Hazelwood

Heating & Cooling in Hazelwood, MO

Living in the shadow of Lambert-St. Louis International Airport means dealing with more than just jet noise, it means managing the unique environmental demands of a busy North County hub. We are a frequent sight navigating the streets near the Hazelwood Logistics Center and the residential blocks of Riverwood. Our team understands how the industrial activity and the proximity to the I-270 corridor can impact your home’s systems, from increased dust to the heavy humidity that rolls through White Birch Park. For local resources and city updates, the City of Hazelwood is an excellent reference for our neighbors.

Ready to improve your home’s efficiency? Schedule your professional heating, cooling, or water heater service today.

Air Conditioning & Cooling Services

The sweltering Missouri summer hits hard in the North County area, making a high-performing air conditioner a top priority. We focus on keeping homes near the Hazelwood Sports Complex crisp and dry when the outdoor air feels like a sauna.

Heating Services

When the winter wind whips across the open stretches near McDonnell Boulevard, your furnace has to be ready. We specialize in maintaining and repairing heating systems in the diverse housing stock of Hazelwood, ensuring your family stays warm when the Missouri frost arrives.

Indoor Air Quality Solutions

Homes near major thoroughfares like Lindbergh Boulevard often deal with higher levels of outdoor pollutants and dust. We provide filtration and purification solutions designed to clean your indoor environment and balance humidity.

Water Heater Services

Reliable hot water is a necessity for the busy households in our community. Whether you are in an established home near Howdershell Road or a newer development, we provide the water heating technology your family requires.

Schedule Your AC Maintenance With Us Today!

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Why Choose Stay Cool Climate Control?

  • Specialized knowledge of Hazelwood’s unique environmental and ductwork needs.
  • Comprehensive HVAC company offering 24/7 emergency services.
  • Expert energy auditing to identify where your home is losing money.
  • Local experts dedicated to transparent, high-quality craftsmanship.

Schedule your service today to work with a team that truly knows Hazelwood.

$500 OFF

Full HVAC System Installs
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Testimonials

Hear from Our Satisfied Customers

Could not be happier. Prompt service, explains everything thoroughly, very professional.
Eric Barnett
1 week ago
Great customer service! Highly recommend them!
Pedro Sanchez
2 weeks ago
I had a great experience with Stay Cool! They were able to come check my heater the same day I called, and checked all of the heating and cooling systems. I needed a new water heater and furnace - I didn’t feel pressured or like they were trying to upsell. Two days later, Dalton and Neil came to replace those two systems. Everyone I talked with was very professional and knowledgeable. I would absolutely recommend Stay Cool!
Erin Chavez
2 weeks ago
Very happy service did a great job. Highly recommend. Very professional and knowledgeable. Excellent job
Andrew Kohlmeier
2 weeks ago
We are new customers and are very impressed after our first maintenance visit! Travis was not only punctual and polite, he was also very knowledgeable and thorough. So thankful to find a local, family-owned company and have an exceptional experience!
Seeds Household
2 weeks ago
These gentlemen were so nice and fixed my furnace/ac unit in my mobile home. Will be definitely referring people to them! Thank you guys so much!
Katie Schramm
2 weeks ago
Service was excellent!!
Connie Carr
3 weeks ago
Fast, polite, economical service at a great price! We also have their service contract to keep our heating and cooling system in top shape year-round.
Edward Meyer
4 weeks ago
Travis and Jacob and the other tecnicians were polite, and knowledgeable. They explained what they were doing. I now have a working furnace. They came in a timely manner.
Kathy Gregory
4 weeks ago
Travis and Jacob and the other tecnicians were polite, and knowledgeable. They explained what they were doing. I now have a working furnace. They came in a timely manner.
Kathy Gregory
4 weeks ago
Installers were very noticeable about the installation.explain in detail about My New unit I'm very pleased with My New unit
Julius James
4 weeks ago
NEW - update! 02/10/2026 : Dalton came out and was on time, courteous, and very well knowledgeable about my issue. He prescribed the right maintenance for my unique situation and made it simple to decide next steps. In & out! Also want to shout out Cindy for her great customer service and promotion of Stay Cool’s $79 furnace special right now! No pushy sales just quality maintenance and support from a great team of experts! Would highly recommend! ————————————— (Past experience) Jeremy & Nate were both professional and very informative of options I have for Replacement smart thermostat in addition to overall, maintenance tips. They had a pleasant, friendly nature and I would recommend them to neighbors and friends. I appreciated the ease of scheduling and the follow-up call from the office prior to the techs’ arrival too. Definitely a company I will keep in my pocket for future HVAC services.
Royelle Robertson
1 month ago
Travis , the technician, came out in very polite and professional and identified 2 problems I was experiencing with my furnace. The last few days have been very chilly. He stated what was needed and the price it would involve. With recommendations to plan on if other problems arise. He had to gather equipment needed to get the repair done he was quick and fastidious in his service and informed me when it was completed. Was very happy with the results. My furnace is running again and I’m warming back up. Thank you Stay Cool HVAC for you service.
Ethel Norfort
1 month ago
Brandon and the other guy were great! Quick install, reasonable pricing, and went over everything done. Definitely recommend.
John Jacobi
1 month ago
Jake and Trey were fantastic. Highly skilled and efficient and super nice dudes. We have used Stay Cool multiple times now including a furnace install. Their quote was spot on, they showed up when they said they would. Great experience. Travis was also super helpful in navigating a new furnace. We will be using them again when our other furnace finally dies. Thank you!
Aaron Bennet
1 month ago
Excellent job and detail replacing my HVAC. They treated me like family from pricing to installation and service.
Daniel Rosenthal
1 month ago
Dalton was amazing, couldn't ask for a better tech!
Keith Nemnich
1 month ago
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    Schedule Your Service with Stay Cool Climate Control

    Don’t hesitate to reach out to us for the comprehensive solutions you need. We are happy to discuss any concerns you may have and will provide the honest, professional advice you need to help you make the best decision for your home. Contact us today to schedule a free second opinion, request an estimate, or book an immediate appointment for heating and air conditioning services in O’Fallon, Missouri.
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