About
C-N-O Comfort Zone Heating & Cooling
About C-N-O Comfort Zone Heating & Cooling
At C-N-O Comfort Zone Heating & Cooling, we’re proud to provide reliable, high-quality HVAC services to homeowners throughout St. Peters, MO and the surrounding communities. Founded in 2015 and backed by over 15 years of industry experience, our family- and locally-owned company is committed to delivering comfort you can count on. Whether you need a quick repair or a full system installation, we offer same-day service when available, free estimates on installations (within 24 hours), and competitive pricing designed to fit your budget.
We stand behind our work with industry-leading warranties, including up to a 10-year labor warranty and a 10-year parts warranty on full residential installs. As an approved contractor for Spire and Ameren, we also help customers access energy-efficient solutions and savings opportunities. With zero percent financing available and a focus on honest, dependable service, our goal is to make your comfort simple and stress-free. Contact us today to schedule your service or request your free estimate—we look forward to keeping your home comfortable year-round.
About
As a reliable HVAC contractor, C-N-O Comfort Zone Heating & Cooling provides top-tier heating and air conditioning solutions to the St. Peters, MO area. Whether you need urgent furnace repair in the winter, routine AC service in the summer, or upgrades to your indoor air quality systems and garage heaters, our team has you covered year-round. Count on our experienced technicians to keep your home comfortable and your energy bills low, no matter the season. From quick emergency fixes to long-term efficiency upgrades, we are dedicated to delivering honest service and peace of mind to our community. Your comfort is our top priority. Contact us today to experience the dependable care your home deserves. We offer free estimates!
Year Established
2015
Products
Services
- Heating/Furnace Services
- Air Conditioning
- Indoor Air Quality Systems
- Garage Heaters
- Heat Pumps
- Boilers
- Water Heaters
- Indoor Air Quality
- Mini-Split systems
Specialties
- Repairs
- Installation
- Maintnance
- Conmmercial
- Residential
Associations
- Member of Natural Gas Contractor Network
Brands
- Amana
- Lennox
- Goodman
- Daikin
Pickup and Delivery
Awards
- 2024 Neighborhood Faves
Certifications
- NATE Certified
Payment Options
- American Express
- Cash
- Check
- Discover
- Financing
- MasterCard
- Visa
Languages
- English
Good to Know
Service options
- Onsite services
