Stay Cool Climate Control

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Schedule an Appointment

Looking for an HVAC professional you can trust? At Stay Cool Climate Control we are committed to providing fair and honest service, quality workmanship, and results that are guaranteed to leave you with the peace of mind you deserve.

636-542-8600

407 Sonderen St, O Fallon, MO 63366

info@staycool-hvac.com

Operating Hours

Mon-Fri: 8:00AM - 8:00PM

24 Hour Emergency Service Available
Name(Required)

Offers

Value and Savings on HVAC Services

At Stay Cool Climate Control, we believe comfort shouldn’t come at the cost of your budget. That’s why we offer seasonal discounts, financing options, and energy-conscious solutions that help reduce utility bills while extending the life of your equipment. From affordable repairs and preventative tune-ups to cost-saving system upgrades, our focus is on giving you the most value for your investment. You can count on us to deliver dependable comfort today while helping you save more in the long run.

$79

Tune Up

AC or Furnace

Offer cannot be combined with any other promotions, discounts, or special offers. Terms and conditions may apply.
Expires: May 31, 2026

FREE

Leak Detection

With Leak Repair (refrigerant, gas, or water) ($268 Value)

Offer cannot be combined with any other promotions, discounts, or special offers. Terms and conditions may apply.
Expires: May 31, 2026
Who is the Taco Guy?

Get Comfort. Stay Cool. Eat Free Tacos

We depend heavily on great reviews and our customers referring us to other great people. This is why we developed a referral program for our HVAC services that is very unique and rewards our fantastic customers and friends. We love our customers, and we love tacos!
Testimonials

Hear from Our Satisfied Customers

Alex was so helpful in explaining details about everything he was doing. Made sure I understood what was going on.
Sheila Barker
2 days ago
Alex was thoroughl, knowledgeable & explained what he was goi g to do. He did.it & explained what he repaired, & what needed to be replaced. Excellent job.
Cynthia Pearlman
3 days ago
I highly recommend Stay Cool Climate Control. Everyone from the office to the technician is extremely courteous and professional. I highly recommend Stay Cool Climate Control.
Michelle McLaughlin
3 days ago
Answered all my questions
Sheila Madras
6 days ago
Alex was so helpful in explaining details about everything he was doing. Made sure I understood what was going on.
Sheila Barker
6 days ago
Skyler and Zach did a top notch job addressing my HVAC needed. Super job and very pleasant to work with!! Very satisfied.
CVee
7 days ago
Great service and friendly technician. I recommend for sure.
Justin Foust
1 week ago
Answered all my questions and concerns. He was very knowledgeable and helpful. I have had great service with Stay Cool.
Mickie King- Deane
1 week ago
The team did a wonderful job with installation, answering questions and running through the aftermath of it all. Great work!
Jess Iannicola
1 week ago
Highly recommend!! Got a furnace installed. Technician did a great job. The attention to detail was awesome and he took the time to explain everything they did and made sure I didn’t have any questions about the new furnace.
Jon Steiner
1 week ago
Alex and Travis were quick and professional, and spoke to me straightforward but in a way I could understand. I always appreciate service from this company!
McKenzie Brown
2 weeks ago
Good service at a reasonable price. Seemed like a capable, confident young man. Now, the proof is in the pudding.
Tom Utterback
2 weeks ago
Friendly, neat and thorough.
Wayne Zimmerman
2 weeks ago
Did a fantastic job. Highly recommend.
Chris Rowland
2 weeks ago
Good service at a reasonable price.
Tom Utterback
2 weeks ago
Stay Cool has gone above and beyond to provide exceptional customer service at a reasonable price. We couldn’t be happier!!
Kayla Bruder
2 weeks ago
This is the first time that I have used stay cool climate control I have been using another service for years but you guys offered me a great deal on my air conditioner maintenance. The service technician that came with Dalton Nemnich I think you pronounce it. He was very very professional he did a great job explaining everything to me In terms that I understood which was fantastic! I've got his card and I've got your magnet up on top of my refrigerator I will definitely be calling you guys back I was very impressed with your service and your technician!
Nancy Rozniak
3 weeks ago
Neal did a great job, very thorough, and knowledgeable. He took time to explain things about the new system and how to run it. I will recommend this company to my family and friends. Courteous and on-time service, friendly people and we love the comfort club benefits and value!
Kyle Dillehay
3 weeks ago

    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.