EMERGENCIES: 800-600-9292




We Get There. We Get it Done.
We Get it Right.
That's Our Promise to You.

Our mission is 100% customer satisfaction. With every call, our aim is to exceed our customers’ expectations with the best technicians, the fastest response times, and the most conscientious customer service. We are dedicated to diligently serving our community of Crystal City and Festus with excellence and integrity as the preferred residential and commercial heating and cooling contractor.

Our Mission

To diligently serve our community, providing excellent customer service.

Our Vision

  • To be recognized as the preferred Heating & Cooling Mechanical Contractor.
  • To exceed our customers’ expectations for solving all of their Heating & Cooling needs.

Our Values

  • To provide the services we say we will do.
  • Our goal is always 100% customer satisfaction.
  • To continue to strive towards excellence, integrity & adhere to ethical principles.
  • To lead our company in stability & growth by providing the highest skilled employees.

Our People


New Construction and Rehab Sales - From St Francois County, Keith covers our entire servicing territory. He specializes in Custom Homes and Geothermal Heat Pump Systems.


New Construction Project Manager - Knowing quality and doing quality work are two separate things, this Ste. Genevieve man knows both. With his team of installers, Matt will make your Multi-Family, Rehab, Renovations, or Residential New Construction project stay on schedule.


Accounts Receivable - Need an invoice, or pay a bill, this is the little lady to talk to. She has a wonderful personality and is always willing to help.


Retail Project Manager - Having your home system replaced is not always planned. LaRell will get you scheduled and run a smooth job so you can relax.

Mike Kuhlenberg

Service Manager and Vice President - Having years of experience in customer relations, Mike supervises techs and dispatchers to assure all customers repairs are taken care of.

Cynthia Friedmeyer

President - This 2nd generation President is consistently overseeing the company operations to ensure the best experience for the customer. This leadership knows the importance of retaining long-term and extremely experienced employees.


Estimator - Need to replace your homes equipment? Being a great communicator, Nick will know the best options to offer you based upon your needs or interests

Frequently Asked Questions

Normal office hours are from 7:30am to 5:00pm, Monday through Friday at the Crystal City location, and 7:00am to 3:00pm, Monday through Friday in Farmington.

For emergency, after-hours service, please call 800-600-9292.

Although our trucks are everywhere, we have offices in Crystal City and Farmington.

All our technicians are certified by the North American Technician Excellence (NATE) organization to ensure superior, real world, working knowledge of HVAC systems and designated areas of expertise.

Your comfort is important to us in every way. That’s why we conduct background checks on all of our technicians so you can be comfortable they’re as pleasant to have in your home as they are skilled.

Crystal Heating & Cooling is a member of ACCA, the Indoor Environment & Energy Efficiency Association, dedicated to promoting professional standards in contracting, energy efficiency, and healthy, indoor environments.