Serving You and Your Neighbors Since 1993
Call Us at (618) 284-3572
Biethman Heating & Cooling

Helping Home & Business Owners

Our skilled contractors provide service to commercial and residential customers throughout our service area.

Heating and Cooling Contractors Serving Randolph and Monroe Counties in Illinois

Having a working heating and cooling unit is essential to your everyday life. When your air conditioner breaks in the dead of summer or your furnace goes out in the middle of winter, you need someone you can trust to get it fixed quickly. Biethman Heating & Cooling has been that someone for over 20 years. We serve customers in Monroe & Randolph Counties including Chester, Evansville, Hecker, Prairie du Rocher, Red Bud, Ruma, Sparta, Steeleville, Valmeyer, Waterloo, and all surrounding areas.

We’re a family-owned and operated company that puts the needs of the customer first and uses our experience to provide the best possible service, every time. From simple repairs and maintenance to your heating or air conditioning unit to complete replacement of your systems; we’re the people to call. Contact us for service, and see why so many do throughout Monroe & Randolph Counties!

Our Services

In Monroe & Randolph Counties, there’s only one name to know for all your heating, air conditioning, and commercial refrigeration needs. People in these communities know that we provide a qualified and skilled team of technicians that understand how to provide expert service for home and business owners throughout our service area. Additionally, we’re proud to service all makes and models and provide new system installations from one of the industry’s top brands, American Standard. Read below for details about our services.

Heating and Cooling Repair in Columbia IL


  • Heating Installation
  • Heating Repair
  • Heating Maintenance
  • Heating Tune-Ups
  • Furnace Installation
  • Furnace Repair
  • Furnace Maintenance
  • Furnace Tune-Ups
  • Forced Air Heating
  • Central Heating
  • Gas Furnaces
  • Electric Furnaces
  • Geothermal Heat Pumps
  • Radiant Floor Heating Systems
  • Boilers
  • Ductless Mini Splits

Air Conditioning

  • Air Conditioning Installation
  • Air Conditioning Repair
  • Air Conditioning Maintenance
  • Air Conditioning Tune-Ups
  • Central Air Conditioning
  • Ductless Mini Splits
  • Forced Air Cooling
  • Geothermal Heat Pumps

Commercial Refrigeration

  • Commercial Refrigeration Installation
  • Commercial Refrigeration Repair
  • Commercial Refrigeration Maintenance
  • Walk-In Coolers
  • Reach-In Coolers
  • Walk-In Freezers
  • Reach-In Freezers
  • Display Cases
  • More…

New System Installation

We’re proud to offer new system installations from one of the most trusted industry brands, American Standard.

Repair & Maintenance

From major repairs to seasonal maintenance that keeps your system running, our technicians get it done right the first time!

Schedule an Appointment

Visit our contact page to find our contact information and more details about scheduling appointments for service.

In need of Air Conditioning or Heating Repairs?

Call our team to schedule service or for 24/7 emergency repairs.

HVAC Expert in Randolph & Monroe County Offering Professional Solutions

Air Conditioning

From a Spring tune-up to major repairs and a new American Standard air conditioner, count on our team for all your air conditioning needs.

Air Quality

Talk to our team about air quality products that improve air quality through the removal of bacteria, dust, dander, hair, and more.


Our technicians provide installation, maintenance, and repair for all heating systems including new units from American Standard.

Commercial Refrigeration

If your business utilizes commercial refrigeration equipment, count on our team for expert installation, repair, and routine maintenance.

Offering Heating, Air Conditioning & Commercial Refrigeration Services in the following cities throughout Monroe & Randolph Counties:

Ames, Baldwin, Blair, Burksville, Chester, Columbia, Coulterville, Ellis Grove, Evansville, Foster Pond, Fountain, Fults, Harrisonville, Hecker, Kaskaskia, Madonnaville, Maeystown, Merrimac, Modoc, Monroe City, New Hanover, Percy, Prairie du Rocher, Red Bud, Renault, Rockwood, Ruma, Saint Joe, Sparta, Steeleville, Tilden, Tipton, Valmeyer, Wartburg, Waterloo