Stay Cool provides the #1 value in heating and air conditioning services in O’Fallon, St Peters, St. Charles, Wentzville, and the surrounding areas. Give us a call today.

At Stay Cool Climate Control, our process focuses on solving HVAC issues more efficiently for our customers. Our O'Fallon-based heating and cooling company serves St Charles county for repairs, maintenance, and installations. Contact us anytime for service.

When you work with us you can be confident that you will receive personalized solutions tailored to your needs, goals, and budget.

Our O’Fallon heating and AC technicians will take the time to listen to your needs and offer the best options for your home. We continue to stay up to date on the latest processes and technologies, and complete over one 100 hours per year of continued education for safety and equipment–so you can be confident that you will be working with professionals who have your best interests in mind.