503.849.9207

Serving the entire Portland Oregon area.

Design Flexibility

High capacity connection
Various models range from 50% to nearly 150% capacity Wide operating range

Installation in extreme temperature conditions is possible due to an increase in operational range.

High Reliability

Liquid flow back protection

By adopting a large sized accumulator, not completely vapourised refrigerant stays inside of the accumulator to ensure no liquid refrigerant is being fed into the compressor Adoption of blue fin heat exchanger

Corrosion resistant of the heat exchanger has been improved by the introduction of blue fin treatment to the outdoor unit's heat exchanger Life-extending operation **

The compressor starting order is rotated so that the running time is shared Backup operation **

If one compressor fails, backup operation will be performed by the remaining compressors*. * Note: Backup operation may not be possible depending on the trouble state. Advanced refrigerant control **

Innovative compressor control logic has been introduced in order to balance the refrigerant mass flow rate of each outdoor unit by controlling the inverter speed ** (Not available for AIRSTAGE™ J-II and J-IIS series)

Easy Service & Maintenance

Design for easy maintenance

Easy to read 7-segment LED :
Confirm detailed operational and error status without using any specific equipment.

  • Operation mode status
  • Discharge temperature / Pressure status
  • Compressor operation indication
  • Address / type / number of outdoor unit

Error diagnosis by Service Tool

Connection to Service Tool
  • Detail operation status and recent error history can be checked and analyzed by using the Service Tool.
  • Last 5 min. operation memory can be also be recorded
Remote monitoring

The Web Monitoring system allows you to view system operation anytime over the internet, ensuring issue free operation. The operating VRF network system in the building can be monitored real time over the Internet.

Airstage VRF Systems are Here!

Fujitsu General have been developing and manufacturing high quality and energy efficient products for more than 35 years. Using the latest Japanese technology and state of the art expertise, our products have been designed in accordance with our policy to “create the most comfortable environment” possible.

The AIRSTAGE™ series provides high energy savings, comfort, and reliability to the end user. The design, installation, and servicing were developed based on the concepts of high flexibility and simplicity. We offer an abundant VRF system lineup to match regional and customer needs by providing the best combination from low to high capacities and from giving priority to conserving installation space to giving priority to high efficiency.

Highly Energy Efficiency

Save Money with Tri-County HVACEfficiency is improved significantly by using DC twin rotary compressor, inverter technology, and large heat exchanger


Energy Saving Function

Room temperature set point limitation
The minimum and maximum temperature ranges can be limited, which provide further energy saving while maintaining the comfort of the occupants. Economy operation

Economy operation can be set by remote controller.
The temperature setting is offset automatically over a certain period of time. Auto-off timer

  • The indoor unit automatically is turned off when it reaches to the preset operating time frame.
  • The time frame of the "Auto off timer" can be flexibly scheduled.
  • Capacity save operation

Operation capacity can be set in 5 steps for rated capability. The power consumption at peak is cut down and the maximum load is suppressed.

Your heating and cooling solution is just a call away so contact us today for your free estimate on installing an energy efficient furnace, heat pump or air conditioning unit.

More Comfort!

Precision refrigerant flow control
Precise and smooth refrigerant flow control is achieved by using a DC Inverter control in conjunction with individual indoor unit electronic expansion valve control. This allows high precision comfortable temperature control of ±0.5°C. Quiet operation
Two low noise modes can be selected automatically by quiet priority setting and capacity priority setting depending on the indoor environment and outside temperature load. This feature can be controlled via outdoor unit external input and/or system controller. Auto changeover function

At Auto setting, the cooling/heating mode is automatically switched according to the set temperature and room temperature. Save Money with Tri-County HVAC