SERVING ST CHARLES, ST LOUIS, LINCOLN, WARREN AND JEFFERSON COUNTY MO
Experienced HVAC Service
If you're looking for one of the top heating and cooling companies in St. Peters, MO, look no further than CNO Comfort Zone Heating and Cooling. We offer a comprehensive range of services to ensure your home stays comfortable year-round. On a hot day, you don’t want to be without your AC, and whether you need a repair or replacement, we’ll be there for you. In the winter, reliable heating and hot water are essential, and we provide same-day service to keep your home cozy.
Beyond heating and cooling, we also offer indoor air quality solutions, mini-split systems, boiler repair, and more!
Check out our services below! As one of the most respected heating and cooling companies in St. Peters, MO, we’re proud to deliver high-quality services to our valued customers.
Fall Clean & Tune-Up Special
$79.00
$79 for your Fall Clean and Tune-Up.
From CNO Comfort Zone Heating and Cooling.
System Installation
$100 Off
Get $100 off a complete HVAC system installation from CNO Comfort Zone Heating and Cooling.
CNO Service Call
$25 Off
Must mention coupon when booking appointment.
From CNO Comfort Zone Heating and Cooling.
Our Distributors
Satisfied Customer Reviews
Leave us a review about your excellence service today!
Contact Us For Service Today!
CNO Comfort Zone Heating and Cooling has been a trusted provider for the St. Peters community since 2014. We are dedicated to maintaining your comfort, offering services that include HVAC replacements, air conditioner repairs, and regular maintenance.
With more than 15 years of expertise, our expert technicians are prepared to address all your heating and cooling requirements. As a premier service provider in St. Peters, MO, we emphasize quality and efficiency, ensuring every job is completed correctly on the first attempt. Ensuring your home's comfort is our foremost concern.
Our Hours
- Mon - Fri
- -
- Sat - Sun
- -