Stay Cool Climate Control

Weldon Spring

Heating & Air Conditioning in Weldon Spring

Whether we’re heading down Highway 94 or navigating the quiet residential turns near Weldon Spring City Park, we know this area by heart. We’ve been keeping busy on the streets of Weldon Spring, helping our neighbors maintain comfortable homes despite the Missouri humidity and freezing winter fronts. You’ve likely spotted our white trucks parked in the driveways of the neighborhoods surrounding Persimmon Woods Golf Club or grabbing a coffee near the intersection of I-64 between service calls. We understand the unique environmental factors in St. Charles County and how they impact your home’s comfort systems.

Reach out to our crew today to ensure your HVAC and water systems are performing at their best.

Heating & Cooling Services

Our boots are on the ground across Weldon Spring, providing everything from routine inspections to complex HVAC repair. We specialize in high-performance equipment that stands up to the variable local climate.

Contact us now to schedule an appointment with a trusted HVAC company.

Water Heater Repair & Installation

Weldon Spring homes rely on consistent hot water for daily life. We provide expert water heater services to address everything from minor leaks to full system failures.

  • Emergency hot water repair to restore your comfort quickly.
  • Modern tankless water heater replacement for space-saving efficiency.
  • Durable water heater installation for new and existing homes.

Let us handle your water heater needs with professional, timely service.

Indoor Air Quality Solutions

Given our proximity to the conservation areas and Missouri River, pollen and outdoor allergens can easily find their way inside. We offer indoor air quality upgrades to keep your home’s air clean and healthy.

Speak with our team to learn how we can improve the air you breathe every day.

Schedule Your AC Maintenance With Us Today!

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Why Choose Stay Cool Climate Control?

We have become a fixture in the Weldon Spring community by treating every home with the expert care it deserves.

  • 24/7 Emergency Service for comfort crises that happen after hours.
  • Deep knowledge of Weldon Spring’s residential infrastructure.
  • Background checked and highly trained technicians.
  • Clean, professional service with respect for your property.
  • Clear communication and straightforward pricing.

Schedule your next HVAC or water heater service with Stay Cool Climate Control today.

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Testimonials

Hear from Our Satisfied Customers

Appointment was easy to make and commutation by text told me exactly who was coming to my house- that was excellent!! Loved supporting local! Repairman was knowledgeable & offered us all the options available. Explained everything that needed tk be done and was excellent. Thank you so much!
Allison Schieffer
3 days ago
It was unbelievable....5th day of the record heat and of course my 24 year old a/c had to go out...called in morning and they squeezed me in Travis came out did a super job and very knowledgeable and pleasant to chat with. Got it all fixed up and running great ...thanks Stay Cool....Jeremy for getting me in and Travis for coming out and fixing it.
Gregg Sullivan
3 days ago
Outstanding service from start to finish! Stay Cool Climate Control recently installed both our new air conditioning and heating systems, and we could not be happier. The entire team was professional, punctual, and highly knowledgeable. They took the time to assess our home's needs, explain our options clearly, and answer all of our questions.The installation process was flawless. The technicians were respectful of our property, worked efficiently, and left the area spotless. Both systems are running perfectly, and our home has never been more comfortable. If you want top-tier workmanship and reliable customer service, I highly recommend Stay Cool Climate Control!
Bob Bourner
4 days ago
Had a snake in my air conditioner. Called another company who said I would have to get pest control out to remove the dead snake before they would come out. Called Stay Cool and they came out quickly and removed the snake and got my AC running again. I was so thankful because it was so hot outside. I would recommend this company to everyone. There is a reason they have 5 stars!! Thanks Stay Cool!!
Michelle
4 days ago
We had an old mini split removed amd a new unit installed. Great service, great guys!
John Hamilton
4 days ago
Doug and Trey did a great job today. Very informative and done in 4 hours. Thanks
Lowell Fisher
4 days ago
Cindy and Travis were amazing to work with. Cindy was polite and efficient in setting an appointment for a technician to come out. Travis showed up on time with a great attitude found the problem and fixed it in no time. I couldn’t be more satisfied with this company and how they treated us. Amazing work Stay Cool
#FreeTacos
Preston Blount
4 days ago
Got same-day service during the hottest day of the year. Technician was friendly, helpful, and done in less than 30 minutes. Really pleased with the company.
Jeremy Pelton
6 days ago
I was very pleased with Stay Cool. Their employee Peter was very knowledgeable. He showed me everything he was doing and checking. I'm very pleased with his service.
Tina Black
1 week ago
Stay Cool was great to work with. HVAC went out and needed someone quickly as it’s 90°+ out and Travis was here same day to diagnose. Gave a reasonable price for a complete new system and quoted us for repairs if we wanted that route. We opted for a new install and they took care of us the next day and were done in just 4 hours! Overall, great experience and will use them again for any maintenance or repairs.
Stefanie Holmes
1 week ago
Very grateful that Travis could come by. He explained things very well, Michael and Mary
Michael ODonnell
1 week ago
Stay Cool Climate Control just installed a complete HVAC system at my residence this morning and I have been blown away by the professionalism and respectfulness of their technicians. They answered our questions, cleaned & swept up any mess, and has been just absolutely amazing & friendly. I'm not one to give a whole lot of reviews or complete many surveys, so this experience has made an impact on me.
Daralyn Bourner
2 weeks ago
Thanks to :
Nathan
Landon
Johny
Susan Wylie
2 weeks ago
Everyone at stay cool climate control is amazing ! I started referring them a few years ago to my clients & have never been disappointed. Mary , Ryan , Alex ,Karmen(sp?) just to name a few ! And who doesn’t like FREE TACOs! Even though i misplaced my last gift certificate!
I love the promptness , great customer service and care that they provide, and as a real estate agent I rely on referrals.
Thank you for helping me sell my clients home!
Regina J
Regina Jenkins
2 weeks ago
Excellent staff, I AM VERY PLEASED WITH THE AC/ FURNACE INSTALLATION.
Thank you Nathan, Cole, Carter, Jeremy and Patrick.
Phyllis Isaiah
3 weeks ago
I highly recommend Stay Cool for all your HVAC needs! They are fast, fair and honest!
They show up when they say they'll be there and send a message they're in route.
You won't be disappointed!!
Don Fawcett
3 weeks ago
Neal, Landon and Matt did an awesome job. Worked in the rain and quiet as church mice. I would recommend them to do your HVAC system.
Dave Burnham
3 weeks 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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