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650-Gallon Lochinvar Water Heater

Posted on August 29, 2022By Tracy hertel

The Main Pool at Elkhart Aquatics Featuring Reliable Controls

Posted on July 16, 2020By Tracy hertel

Kulzer Dental 190-Ton Chiller

Posted on May 21, 2021By Tracy hertel
  Another busy day for OJS Building Services! Immediately after the Beacon Elkhart General chiller project, the crew installed this 190-Ton chiller at Kulzer Dental. Nice clean install guys!

The Barnes & Thornburg New Office Building

Posted on July 24, 2020By Tracy hertel
The newest office building in downtown South Bend.  

The South Bend Fire Department Station No. 9

Posted on July 24, 2020By Tracy hertel
Cutting edge Silver LEED fire station.

The Federal Bankruptcy Court in South Bend

Posted on July 29, 2020By Tracy hertel
The Federal Bankruptcy Court in downtown South Bend runs on Reliable Controls provided by OJS Building services.  

The Tuesley Hall Konopa Law Offices

Posted on August 4, 2020By Tracy hertel
The Tuesley Hall Konopa building features Reliable® Building Controls.

The Mishawaka-Penn-Harris Public Library

Posted on August 5, 2020By Tracy hertel
Mishawaka-Penn-Harris Public Library powered by Reliable® Controls

The Elkhart Aquatics Center

Posted on July 24, 2020By Tracy hertel
A collaboration of Beacon Health System, Elkhart Community Schools and the Community Foundation of Elkhart County.

The Beacon Granger Hospital

Posted on July 24, 2020By Tracy hertel
Beacon’s newest state of the art acute care hospital.

The Potawatomi Conservatories

Posted on July 24, 2020By Tracy hertel
The Potawatomi Conservatories…a haven of tranquility.

Need Service? Call Now at: 574-284-2020

We service office buildings, retail locations, schools, industrial buildings, hotels, and commercial buildings, and more...

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Serving Companies, Community & Our Environment

Million Dollar Milestone

OJS Building Services is proud to display the 2021 Award from Reliable Controls® for the Million Dollar Milestone!

Mechanical Service

Mechanical Service

Your mechanical equipment never gets a day off. That is why OJS provides excellent service that is guaranteed by our Total Lifetime Protection plan, as well as a Planned Maintenance Program to keep all of your equipment operating efficiently and Read More ...

What Customers Say

What Customers Say

OJS Building Services has many satisfied customers in several industries, such as Retail, Education, Medical, and Class A Office Space. We’ve been providing excellent service for decades.  Here are some of our customers comments and recommendations regarding energy savings, and Read More ...

Request Quote

Request Quote

OJS Building Services, Inc. can provide you with a detailed Energy Consultation. With about 40% of commercial building energy being used by the HVAC systems, it’s important that your system is running as efficiently and effectively as possible. Often this Read More ...

2022 BOMA Show Indianapolis

Posted onMay 16, 2022May 16, 2022Leave a comment

The 2022 Boma Wild West Trade Show was a great success. The show was divided into sections with different themes. OJS Building Services was in the “jail” section. Many thanks to Tony Stevenson (the Sheriff), Pete Kern (a prisoner), and Read More …

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Java Cafe

Posted onDecember 22, 2021Leave a comment

Another new gem in downtown South Bend – The Java Cafe. This is located in the new Barnes and Thornburg office building! The eggs benedict are served on various bagel types. What a nice treat! Sydney Miller and her staff Read More …

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Christmas Party at OJS Building Services 2021

Posted onDecember 17, 2021December 17, 2021Leave a comment

OJS Building Services hosted their annual Christmas Party at the shop. Great food and great people. The event went well, no coal had to be given! Many thanks to Brian Sears for the gifts that he provided to the team members! Read More …

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Santa Vistits the Mishawaka-Penn-Harris Public Library

Posted onDecember 14, 2021Leave a comment

Santa dropped by to see the staff that manages the Mishawaka-Penn-Harris Public Library System. These folks do a wonderful job for our community! And, they are all reporting being good this year. Thanks, Dena Wargo, SHRM-SCP for all that you Read More …

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The Morris Performing Arts Center is turning 100 years old in 2022!

Posted onDecember 1, 2021Leave a comment

The best is yet to come. Just a reminder for those who have enjoyed this place in the past and an invitation to taste the joy for those who have never been there. Look forward to additional posts about this Read More …

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Reliable Controls® – Legendary Reputation

Posted onNovember 11, 2021November 11, 2021Leave a comment

Learn more about the history, focus, and quality of our Reliable Controls. Reliable Controls specializes in the design and manufacture of Internet-connected green building controls. Building controls are known as direct digital controls, but can also be referred to as Read More …

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University Park Mall Phase II Improvements

Posted onNovember 2, 2021November 2, 2021Leave a comment

OJS Building Services is proud to be part of the UP Mall family. A few tiny flakes of snow flying through the air today. This job required the largest crane that our partners at Crane Industrial Services have – 275 Read More …

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University Park Mall Phase I Improvements

Posted onOctober 28, 2021October 28, 2021Leave a comment

OJS Building Services is proud to be part of the UP Mall family. It was a beautiful day for some crane lifts at the mall. A professionally executed job with a focus on safety. We want to ensure that shoppers Read More …

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Fire Safety and Your HVAC System

Posted onSeptember 27, 2021September 27, 2021Leave a comment

Our thoughts and prayers go out to the First Church of God in Nappanee and its parishioners. A fire erupted during Sunday school that severely damaged their building. Luckily no one was hurt. The cause is not yet determined, but Read More …

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New! ecobee Smart Thermostats

Posted onSeptember 2, 2021September 2, 2021Leave a comment

Check out our new line of ecobee Smart Thermostats! These provide a “lite” version of a building automation system for smaller buildings with less complex mechanical systems. Here is the link: https://ojsbsi.com/new-ecobee-smart-thermostats/

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Associated with these fine organizations:

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Indy Chamber
USGBC
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MCA Indiana

Contact Us

1825 East 12th Street, Mishawaka, Indiana 46544

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Main Phone: 574.284.2020

Sales: 574.274.1541

Fax: 574.287.2939

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  • FREE Energy Audit
  • Reliable Controls Authorized Dealer
    • Reliable Controls® Links
  • Building Automation
  • About
  • Services
    • HVAC Services
    • Mechanical Service
  • Our Clients
    • Elkhart Aquatics
    • The State of the Art South Bend Fire Station No. 9
    • Barnes & Thornburg New Office Building
    • Beacon Granger Hospital
  • Request Quote
  • Employment Opportunities
  • Contact Us
  • Financing
  • Equipment Leasing
  • Glossary of HVAC terms
  • Commercial Credit Application
  • Employee Portal
  • Privacy Policy
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