For nearly 40 years, Johnson-Melloh Mechanical has maintained a reputation for consistent delivery of quality mechanical contracting services ranging from design-build to preventative maintenance and on-call services.

While maintaining a “can-do” approach that combines experience with integrity, Johnson-Melloh Mechanical offers project-based services as well as full-service maintenance to Industrial, Manufacturing, Municipalities, Universities, K-12 Schools and Healthcare facilities.

Solid experience and state-of-the-art technology advancements make Johnson-Melloh Mechanical the premier mechanical contractor and services provider in the Midwest for retrofit or new construction. Our work prepares facilities for a future of realized energy savings.

With an already solid foundation, we continue to build and improve our service offerings, and the quality of products we install. Johnson-Melloh Mechanical is:

  • A Honeywell BMS contractor From design to install and monitoring, we have AX and N4 certified personnel.

  • A Certified Honeywell – Security Access and Controls contractor In addition to this, we are currently in the process of adding a training and demo center to better serve our customers.

  • The Central Indiana Commercial Service Center for Rinnai Working directly with the Rinnai factory, our team responds to leads and service requests, and we are the only contractor in Indiana to offer this service.

  • A Certified Commercial Water Heater Installer/Service Provider of PVI products

  • Factory-Trained, and Certified by AERCO Boiler

  • Daikin VRF PRO Dealer There are only three VRF PRO dealers in the state of Indiana, and we are proud to be one of them. From estimating and design to installation and service, contact us for your Daikin products.

  • Certified, Lennox VRF We have Lennox VRF-certified staff to install, service and maintain your Lennox equipment.

  • Certified, Aquatherm Piping Not only do we have 6 certified Aquatherm piping installers on our team, we have installed thousands of feet of this product. These are the only pipe products that will provide our customers a 10-year warranty, including $40 million in property coverage. It is also the only pipe that can help our customers earn LEED points/credits in the market.