Carrier 25HNA9 Infinity™ 19 Heat Pump

Congressional Heating and Air Conditioning Contractor in Maryland and Northern Virginia Carrier 25HNA9 Infinity™ 19 Heat Pump


The Carrier Infinity 19 Series Two-Stage Heat Pump, with Puron refrigerant, Model 25HNA9, is available in 2-5 ton nominal sized units.


Energy Efficiency

  • 14--19 SEER/10.6--14.1 EER/8.4 -- 9.2 HSPF

New Aesthetic Design

  • WeatherArmor UltraTM
    • Baked on powder paint
    • Steel louver coil guard
    • Color matched ceramic coated cabinet screws

Extra Quiet Operation

  • Silencer System IITM for sound as low as 72 dBA
    • Quiet mount split post compressor grommets
    • Quiet External Silencer muffler
    • Exclusive Silencer Top design
    • Electronic ECM ball bearing outdoor condenser fan motor
    • Forward--swept condenser fan blade
    • Compressor sound hood
    • Laminated steel compressor mounting plate
  • Quiet Shift Defrost

Reliability, Quality and Toughness

  • 2--stage scroll compressor
  • Field--installed 16 cu. in. filter drier
  • Back--seating service valves
  • High pressure switch
  • Loss of charge switch
  • Internal pressure relief valve
  • Internal thermal overload
  • Long line accessory connections
  • Suction Line Accumulator
  • Vapor fog eliminator
  • Ideal Defrost

Controls and Diagnostics

  • Infinity™  Control (MUST be used, no substitutes)
  • Utility Interface Connection
  • Up to 78 point diagnostic capability with Infinity™  Control


  • Long--line -- up to 250 feet (76.20 m) total equivalent length, up to 200 feet (60.96 m) condenser above evaporator, or up to 80 ft. (24.38 m) evaporator above condenser (See Longline Guide for more information.)
  • Low ambient (down to 0_F/--17.8_C) with complete Infinity™ system.