Prost Heating & Cooling

Collinsville, IL

Heating and Cooling

Is this your business?


PHC A History of Excellence Prost Heating & Cooling, LLC have been trusted by our St. Louis East Metro Area customers for over 34 years.  We have always promised the highest value in service and products.  Our experience and expertise allows us to back everything we do with a 100% Customer Satisfaction, Money-Back Guarantee.  We provide personalized service, installation, maintenance, and consulting at affordable rates. Dave Prost, president at Prost Heating & Cooling, LLC, currently instructs at the Plumbing and Pipefitters Local Union 101 Training Facility as well as at Southwestern Illinois College.  His expertise and up-to-date knowledge on the latest HVAC technology guarantees peace of mind for all your HVAC needs. A History of Commercial HVAC Services Second To None From start to finish, our experienced staff and technicians provide the expertise to ensure your project is completed on time, on budget and up to code. And, we get the job done right the first time. We understand your productivity is directly affected by your indoor comfort system.  So we focus on providing expedient services to get you back online as soon as possible without risking the safety of your people or valuable equipment. We guarantee this by providing ongoing education to our personnel ensuring complete compliance with the best practices and standards.

Services Offered

Heating and Cooling
  • Central A/C Install
  • Central A/C Repair
  • Central Humidifier Install
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