Gas Powered Hot and Chilled Water Hydronic

The Sierra AWS (Air Water System) Heat Pump Energy Exchanger enables the Sierra GHP to deliver BTUs via a buildings existing water systems. Retrofits of 2, 3 or 4 pipe and multi-zone hydronic heating and cooling systems start here. 

The exchanger enables select SpacPak, Dadanco Active Chill Beams, and Sterling Hydronic HVAC components are complementary products depending upon your implementation details.

Gas Heat Pump


  • Supporting 2 or 4 pipe systems
  • Retrofit or New construction
  • Single Phase Power
  • Install as a single zone or central plant
  • Chilled Beams



Water portsElectrical Power supply Current W/O pumpNOM TONWater flow rate Pressure dropWater out-in Max out degrees FTotal Capacity BTU/h Cooling HeatingBASIC UNIT FOOTPRINT LxWxH WeightControls
2" Single phase 24 V 1.5 A 15 41.8 GPM 4.69 PSI 45 - 54 116 C - 141,604 H - 143,310 C40.16"X27.95"X36.02 390 lbs Connectivity with any BMS control system managed with Modbus Protocol