R.J. Olmen Company

Ventilation Contractors Since 1972

Providing Exceptional HVAC Contracting Services

R. J. Olmen Company is a full service Commercial Ventilation Contracting Company, providing the following Installations and Services for their customers:

Plan & Spec Ventilation Systems

Commercial Boiler Modifications

HVAC Mechanical Renovations

General Contracting Mechanical Services

Geo Thermal Ventilation Systems Coordination

"R. J. Olmen Company is what I call the GO TO CONTRACTOR when it comes to HVAC. They charge a fair price for quality work. They always come through and you know you are dealing with a company that does the right thing."

Rich Johnson - Tishman Construction / Chicago Public School