ARC Eligibility Requirements

This measure is available for retrofits only. ARC projects must be listed on BPA’s ARC qualified products list.

Qualifying ARC retrofit applications have the following characteristics:

  • Heating type is electric or gas.

Existing RTU has the following characteristics:

  • Cooling capacity equal to or greater than five tons,
  • A unitary system (split-systems are not eligible); and
  • A constant-speed supply fan (RTUs with variable speed fans are not eligible).

ARC Retrofit – Full ($250/Ton)

A VFD and controller for variable speed fan operation, or a multispeed motor and controller for multispeed fan operation.

Must also include a controller with both of the following capabilities:

  • Digital, integrated economizer control with either differential dry-bulb, or enthalpy with fixed dry-bulb high-limit shut off; and
  • Demand control ventilation with proportional control, based on CO2 sensor reading.

ARC Retrofit – Lite ($120/Ton)

A VFD and controller for variable speed fan operation, or a multispeed motor and controller for multispeed fan operation.