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Building Controls & Automation

At Crosby Brownlie, our core purpose is to cultivate deep rooted relationships by delivering superior craftsmanship, innovative technologies, and customer-centered service.

Tailored Automation Solutions, Built to Scale.

Providing 24/7 emergency support for over 20 years, Crosby Brownlie Controls Division is a highly skilled branch of the company offering a multitude of options for our customers.
From small commercial spaces looking for control of basic HVAC to large facilities coordinating large chiller, boiler, ventilation equipment and sequences, Crosby Brownlie Controls has the solution.

For HVAC installations and retrofits, Crosby Brownlie Controls is an expert Authorized System Integrator (ASI) in Johnson Controls Facility Explorer Building Automation System (BMS). With 20+ years of experience, Crosby Brownlie is certified by Tridium for AX and N4 Niagara framework.
  • VFD installations, startups, servicing, and controlling (all brands)
  • Utility monitoring and metering
  • Custom controls programming
  • Analytics
  • Access control
  • Specialized in third party brand integration for one signal-point access, such as: Niagara, JCI N2, BACnet MS/TP, IP, and SC, Modbus Async and TCP/IP, Carrier Comfort Network (CCN), Lon Works, OPC UA Client/Server, Allen Bradley (ControlLogix & CompactLogix), Siemens, and Emerson CPC
  • Custom controls panel design, building and installations
  • Critical Environments / Clean Room Controls
  • Phoenix Valve controls, upgrades and retrofits
  • Preventative maintenance services
  • Specializing in temperature, humidity, and pressurization controls
  • Wide range of lighting controls
  • Simple and easy to facilitate BMS interface with custom graphics, floor plans, and schedules
  • Complete control drawings and design
  • Allen Bradley’s MicroLogix, CompactLogix, and ControlLogix PLCs
  • Maple Systems
  • Automation Direct PLCs
  • Custom HMI designs with PanelView, Maple Systems, and C-More
  • Installing, servicing, and calibrating field instrumentation devices
  • Panel design, building, and installation for either field or skid mount
  • Proficient in CIP / hot water skids design, control, and integration
  • Integrating to existing system
  • Modification of existing systems and logic
  • Modification / additions of safety interlocks
  • PLC system migration and upgrades

Industrial. Strength. Reliability.