It would be an honor to have the opportunity to serve you.

St Charles County's Trusted Heating and Air Conditioning Company
The Heating & Cooling Service You Can Rely On
Craigco is the premier HVAC company in the St Charles County, MO area. Over 30 years experience proudly serving the local community with outstanding heating and air conditioning services. When your furnace or air conditioner is on the fritz, when you’re looking for new installation of heating or cooling equipment, or when you need seasonal maintenance, we’ll be there!
Our certified technicians are at the top of their field and continually receive training and education to improve their knowledge and skill-base. At Craigco, heating and air conditioning is our business, and your comfort is our goal.
Evidence of our commitment to heating and cooling excellence:
- Over 30 years of experience serving the St Charles area
- Reasonable pricing on all service options
- Flexible financing options - Click for more information


Full-Service Heating and Air Conditioning Services by Professionals
Small equipment repairs to furnace or air conditioner replacement and installation, we can handle any heating and cooling job you put in front of us.

Our full list of heating and cooling services includes:
- St Charles County's most dependable AC repair
- Professional AC installation and replacement
- Preventive AC maintenance
- Dependable furnace and heating repair
- Heating installation and replacement
- Heating maintenance and tune ups
- Indoor air quality services, including air cleaners and purifiers
In addition to providing our customers with all of these services and more, we also understand that being a great heating and cooling company is not just about skill and expertise.
While we excel at both, we also aim to provide the best-possible customer service. As we speak with you about your installation project, book your HVAC repair appointment, or create a maintenance schedule for your home, our staff is always kind, courteous, and respectful.
Quality Heating and Air Conditioning Service Trusted
Craigco aims to provide each and every customer in the Metro area that we serve with the best care possible. When you choose us as your go-to heating and cooling contractor, you’re making the right choice all around!
Areas we Serve
St Charles County, Lincoln County and surrounding St. Louis areas including Chesterfield, Des Peres, Town & County and Ballwin
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