Infinity Series Heat Pump 25HNB6

Infinity Series

The Carrier Infinity®16 SEER Heat Pump with Puron® refrigerant, Model 25HNB6, is available in 2 to 5 ton nominal-sized units.

Energy Efficiency

  • 13.5 - 17.2 SEER / 11.0 - 13.5 EER / 8.0 - 9.6 HSPF
  • Microtube Technology™ refrigeration system
  • Indoor air quality accessories available


  • Sound level as low as 67 dBA
  • Quiet mount split post compessor grommets
  • Forward-swept condenser fan blade
  • Compressor sound hood
  • Laminated steel compressor mounting plate
  • 8 pole PSC ball bearing outdoor condenser fan motor


  • System support Infinity Control or standard 2-stage thermostat controls


  • Puron® refrigerant
  • Filter drier
  • 2-stage scroll compressor
  • High-pressure switch
  • Internal thermal overload
  • Loss of charge switch
  • Internal pressure relief valve
  • Balanced refrigeration system for maximum reliability
  • Crankcase heater standard

WeatherArmor protection package

  • Solid, durable sheet metal construction
  • Baked-on, complete outer coverage, powder paint
  • Louver coil guard

Controls and Diagnostics

  • Infinity control or thermostat
  • Utility interface connection
  • Up to 83 point diagnostic capability with Infinity control


  • Long-line - up to 250 ft (76.2 m) total equivalent length, up to 200 ft (60.96 m) condenser above evaporator, or up to 80 ft (24.38 m) evaporator above condenser (See Longline Guide for more information)


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