10% Off Diagnostic & Repair for Seniors (65+)


Wishing you a safe & happy Halloween!

Stevenson Heating & Cooling

"We Make Comfort Affordable"

Stevenson Heating & Cooling

Rain or shine, we look forward to serving you!


Reliable HVAC Professionals

heating and cooling

We serve residential clients with Air Conditioning Installation/Repair/Service for Saint Charles County (surrounding areas included). Whether you need a routine maintenance check, an emergency repair or a new installation we are available to handle all of your heating and cooling needs.

Individualized HVAC Options

guaranteed, free estimates on new equipment

We work with you to find HVAC solutions that fit your heating and cooling needs.

We provide free estimates on new equipment and explain all available options so that you can choose the system that’s right for you.

We can help you decide if it's time to replace or upgrade your current system.

Customer Satisfaction Guaranteed


We combine the use of the highest quality parts and equipment with our dedication to delivering exceptional customer care to provide you with air conditioning solutions that fit your needs at an affordable price. Parts, equipment and even our service is guaranteed. That's right. Service Guaranteed!  

Contact Us -Email

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Emergency Service Available

We strive to be there when you need us!  Our phone is answered/monitored 24/7.

If you need service after hours we will make every effort to accommodate. We look forward to serving you!

Stevenson Heating & Cooling

103 Main Street, Saint Peters, Missouri 63376, United States



Service Hours: Monday - Friday: 8am - 8pm 

Emergency Service: Sat-Sun As need

Office Hours: Vary. Call before visiting