Cascade Hydro-Air
Seattle: 206.953.1100
Portland: 503.224.1100

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:
  1. Variable air volume air handling unit with heat recovery wheel, hydronic heating/cooling and associated terminal units.
  2. Radiant slab heating/cooling hydronic loop with three packaged heat pumps and 10 zones.
  3. Finned tube radiators.
  4. Building exhaust fans.
  5. 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.
  1. Boiler hot water generation, distribution and flow monitoring system.
  2. Central refrigeration equipment, such as: chillers, cooling towers, power purification system and condenser water system.
  3. Several variable air volume air handling units and associated terminal units both with and without hydronic reheat.
  4. Radiant floor heating.
  5. Hydronic fin tube heaters.
  6. Infrared unit heaters.
  7. 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.
  1. BACnet communication trunk carries interface with variable frequency drives and airflow monitoring stations.
  2. LonWorks trunk carries variable air volume air handling units with heat recovery wheel, hydronic heating/cooling, airflow monitoring stations, carbon dioxide and humidity control.
  3. Fire alarm panel interface and general exhaust fan control.
  4. Clerestory window control with remote control/monitoring station and rain sensor.
  5. Modbus communication trunk to interface with boiler and chiller prepackaged controllers.
  6. Photovoltaic array controls to supplement domestic hot water.
  7. 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:
  1. Boiler hot water distribution system.
  2. Roof top unit with powered exhaust, hot water heat, and direct expansion cooling.
  3. Several heat pumps.
  4. 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:
  1. Variable air volume air handling units.
  2. Several terminal units with electric stages of reheat.
  3. Several fan-powered terminal units with electric stages of reheat.
  4. Several fan coils with direct expansion cooling.
  5. Several building exhaust fans.
  6. Domestic hot water distribution.