Commercial HVAC/R

Energy Wise is a mechanical service company specializing in commercial, industrial and institutional HVAC/R services in the Southern Illinois Metro East region.

Our EPA and LEED-certified technicians work with clients to provide the most efficient, and cost-saving systems and maintenance for heating, ventilation, air conditioning, refrigeration and related mechanical and electrical services.

With Energy Wise, you get the owner/operator on site getting to know your operations and ensuring the highest quality service for your organization’s situation.

  • Installation

  • Retrofit Applications

  • Testing and Balancing

  • Inspection

  • Maintenance

  • Automated Control Systems

  • Service Agreements

Professional Team

Meet our HVAC/R Experts

Mike Rongey Owner / Operator - EPA Certified
Mike prides himself on being available on site to all his clients when work is being done. He brings a wealth of commercial HVAC/R experience to the team having been in the field for more than 25 years. He lives in Aviston, IL with his family and enjoys recreation in the great outdoors.
Ron Perigan Senior Technician - EPA Certified
Ron, a native of Alhambra,Illinois, has been in the HVAC/R field for more than 30 years. He has worked primarily with commercial and industrial HVAC/R and electrical systems. He is EPA certified to provide the most environmentally friendly and energy-efficient processes. In his free time, he enjoys cycling and wood working.