Case studies
We support projects ranging from enterprise corporate solutions to small businesses.

Sammamish Library
LonWorks system that provides monitoring and control of the following mechanical systems:
- Variable air volume air handling unit with heat recovery wheel, hydronic heating/cooling and associated terminal units
- Radiant slab heating/cooling hydronic loop with three packaged heat pumps and 10 zones
- Finned tube radiators
- Building exhaust fans
- Natural ventilation using window motor actuators and conditions based on various temperature and wind speed sensors

Redmond Airport
A major terminal addition to Roberts Field Redmond Municipal Airport with control of several major HVAC systems:
- Boiler hot water generation, distribution and flow monitoring system
- Central refrigeration equipment, such as: chillers, cooling towers, power purification system and condenser water system
- Several variable air volume air handling units and associated terminal units both with and without hydronic reheat
- Radiant floor heating
- Hydronic fin tube heaters
- Infrared unit heaters
- Multiple exhaust fans

Bend Park & Recreation District Administration Building
A 2010 Daily Journal of Commerce Top Project Finalist for Public Buildings $5 Million – $15 Million. Open system that integrates LonWorks, BACnet and Modbus protocols into one user interface:
- BACnet communication trunk carries interface with variable frequency drives and airflow monitoring stations
- LonWorks trunk carries variable air volume air handling units with heat recovery wheel, hydronic heating/cooling, airflow monitoring stations, carbon dioxide and humidity control
- Fire alarm panel interface and general exhaust fan control
- Clerestory window control with remote control/monitoring station and rain sensor
- Modbus communication trunk to interface with boiler and chiller prepackaged controllers
- Photovoltaic array controls to supplement domestic hot water
- Control of 30 hydronic radiant manifold zones

Holy Redeemer Parish
A 2010 Daily Journal of Commerce Top Project 3rd Place Award for Private Buildings $5 Million – $15 Million. This project included controls for the following equipment:
- Boiler hot water distribution system
- Roof top unit with powered exhaust, hot water heat, and direct expansion cooling
- Several heat pumps
- Building exhaust fan controls using a variable frequency drive to maintain static pressure

Keizer City Hall & Police Facility
A 2010 Daily Journal of Commerce Top Project 1st Place Award for Public Buildings $15.1 Million – $50 Million. Designed for LEED® Silver certification, the building met or exceeded LEED® requirements for efficiencies in uses of water, energy, materials and operations. Siemens TALON System controls the following pieces of equipment:
- Variable air volume air handling units
- Several terminal units with electric stages of reheat
- Several fan-powered terminal units with electric stages of reheat
- Several fan coils with direct expansion cooling
- Several building exhaust fans
- Domestic hot water distribution