Welcome to Cool Running

About Us

Reliable HVAC Professionals

Whether you need a routine maintenance check or an emergency repair on a heating or cooling unit, we are available to handle  all of your heating, cooling, and ventilation needs.  We continually strive to exceed expectations by ensuring that each  client receives the very best customer service.

Individualized HVAC Options

We are a family owned and operated business that has been in the industry for over 30 years. 

We will work with you to find HVAC solutions that best fit your heating and cooling needs. We service all brands and are an American Standard Installation Dealer.  We will provide you with a full consultation to explain all of your available options so that you can choose the system that is perfect for your home or business.

Customer Satisfaction Guaranteed

We serve both residential and commercial customers and offer a variety of money-saving solutions. We combine our use of the highest quality parts and equipment, and our dedication to deliver exceptional service to provide our customers with reasonable cost and quality products.

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Emergency Service Available

For emergency service, please contact us at 314-837-7797.  We look forward to serving you.


(314) 837-7797


Monday - Friday: 7:30 am - 5:00 pm

Saturday - Sunday: By Appointment Only