Our Services

Ruyle Mechanical Services Inc. offers innovative heating and cooling solutions for commercial and
industrial clients across Illinois. See how our company can help yours succeed today!

  • Boiler


    Boilers, Burners, ASME welding, Steam & Hot Water.

  • Chiller


    Maintenance & Replacement of all systems related to cooling.

  • Energy Services

    Energy Services

    Energy efficiency analysis including benchmarking, assessments, incentives and more.

  • Controls


    Direct Digital Controls service and analysis.

  • HVAC/R


    RTU's, AHU's, VAV's, etc. Repair, maintenance, and replacement of any and all systems.

  • Electrical


    Range of services include: fixing a light fixture to installing renewable energy systems.

  • Instrumentation


    Industrial control services including calibration, repair, replacement, and design of new installs.

  • Markets



Call us today! (309) 674-6644 OR

Logo Mechanic
Providing comprehensive heating and cooling solutions for commercial and industrial entities across Illinois.

Ruyle Mechanical Services Inc. prides itself on being the premier integrated service provider in Illinois for over 60 years. Ruyle, as a company is built on a foundation of core values: trust, honesty, integrity and commitment. As our customers’ needs have changed, we have been there to help them meet these challenges and look forward to the challenges ahead. The success we enjoy at Ruyle is driven from our core beliefs of providing the highest quality service to our customers, employees and suppliers.

Our Mission – Driven by a pursuit for excellence with our core values as our guide, Ruyle will strive to ensure that our customers receive the highest quality of products, service and satisfaction……. Providing Excellence.

Ruyle Mechanical Services Inc. is the largest provider of mechanical service in Illinois for one reason, we have the best technicians in the business.

Latest News

Want to learn more about how Ruyle Mechanical Services Inc. is invested in the community
and in our customers across Illinois? Check out the following articles below:

Ameren Illinois Proudly Recognizes Ruyle Mechanical Services, Inc. as the Most Improved Program Ally (Therms)

Ameren Illinois Proudly Recognizes Ruyle Mechanical Services, Inc. as the Most...

Solar Panel Lady on the Greg & Dan Show, June 2018

Check out a recent radio interview by the Greg & Dan...

Illinois Wesleyan Project: Stevenson Hall AHU Replacement


We Moved!

Please note that our new address is; Ruyle Mechanical Services, Inc....

Refrigeration Talk – Customer Expectations

Customer Expectations You wake up in the morning and the sun...

Refrigeration Talk – Fork in the Road

How Do You Know Which Refrigerant to Use? Yankee’s legend Yogi...

Solar Spotlight – Hillel House

Check our most recent Solar PV installation at Hillel House on Fredonia...

Refrigeration Talk – “Making the Most of It”

“Making the Most of It” Author’s Note: I feel that I...

Carbon Monoxide Alarms in Illinois Schools

New Rules The state of Illinois now requires Carbon Monoxide alarms within...

Tune Up Your Boiler and Your Budget!

Annual maintenance for heating equipment keeps it reliable, efficient, and extends...

Balance Your Building with Big Data

by Erik Fehl, Environmental Control Solutions, Inc. Use system data and...

Bundling Energy Efficiency with Solar

    by Kiersten Sheets and Don Howerter, Ruyle Mechanical Services...

Illinois Solar Tour

On Saturday October 1st, homes and businesses with renewable energy systems...

DCEO Illinois Energy Now Rally

Please join us at the DCEO Illinois Energy Now Rally on...

Don Howerter, R-22 replacement expert

PRESS RELEASE For Immediate Release Don Howerter of Ruyle Mechanical Services,...

Sunny outlook: Solar energy becomes more reliable, and affordable.

Sunny outlook: Solar energy becomes more reliable, affordable. David Proeber dproeber@pantagraph.com...

First Place Award for ActOnEnergy

May 2, 2016 PRESS RELEASE Contact: Steve Foster, 309-674-6644 Ext 215...

Contractor Spotlight

Business Energy Efficiency Rebate Program September 2013 Contractor spotlight - Ruyle...