Success Stories


MNDOT District 4 Headquarters
Detroit Lakes, MN, United States
Government / Public Government / Public
Completed: 2013

Detroit Lakes, MN - Minnesota Dept of Transportation


The project was a retrofit of multiple building segments including office areas and shop areas. The MNDOT was also especially concerned with control of comfort levels within the building. The EC-NetAX Web-based building management platform was used for HVAC and Lighting control integration, with ECB Series controllers for control of mechanical equipment.

The project also included LonWorks ECL Series controllers for VAV control, as this allowed for re-use of fieldbus wiring in the building.

The schedule was fast tracked, with minimized downtime of equipment, as facility was fully occupied during retrofit.

The retrofit provides additional controllability over their building, with usability allowing the facility management team to perform continuous commissioning themselves and to integrate in-house developed monitoring and control sequences.

In addition, the retrofit has provided for improved comfort levels for occupants as well as operational cost savings.

Number of Buildings: 1 Total Area: 118,000

Special Features:
Used both BACnet and LonWorks communicating controllers.

Products / Equipment Installed: Systems Integrated:
EC-Net-AX
EC-BOS
ECB Series Controllers
ECL-VAV Controllers
HVAC, VAV

Number of Devices: 40 System Points: 400

System Integrator: Climate Control Inc.

Controls Contractor: Climate Control, Inc.

BACnet Manufacturers: Distech Controls, Inc.


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