NU-FIN™ Plate Fin Water, Direct Expansion and Non-Freeze Steam Coils.

NU-FIN™ Plate Fin Water, Direct Expansion and Non-Freeze Steam Coils

28BC – Cooling Coils (1/2 in.)

28BH – Heating Coils (1/2 in.)

28BD – Cooling Coils (5/8 in.)

28BF – Heating Coils (5/8 in.)

28BB – Booster Coils

28BX – Direct-Expansion Cooling Coils

28BZ – Steam Distributing Coils

Carrier’s 28B Series coils offer a wide range of sizes. Top quality chilled water cooling coils and hot water heating coils are offered with options that provide a custom fit for your application.

Performance Features

  • All units are shrink wrapped for complete protection while in transit
  • Double skin panel construction, excellent heat preservation
  • Thermal break casing construction
  • Built-in integrated control system(factory-installed option)
  • Chilled water, hot water, direct expansion (DX), and steam coils (factory-installed option)
  • Ultraviolet band C (UV-C) germicidal lamps (factory-installed option)
  • Multiple filtration from pleated to HEPA filters (factory-installed option)
  • Energy recovery ventilator (ERV) sections
  • Multiple fan options (factory-installed option)
  • Humidifiers for precise indoor climate conditioning (factory-installed option)
  • Internal and external face and bypass damper sections (factory installed option)

Reliability Features

  • HDP high durability polyester exterior panel
  • Standard insulated, fully drainable, sloped drain pans in galvanized or stainless steel (factory-installed option)

Maintenance Features

  • Prepainted unit exterior (factory-installed option)
  • All service may be done through large, removable or hinged panels
  • Marine lights and viewports for interior component inspection (factory-installed option)

Installation Features

  • Units may be mounted in ceilings, closets, attics, etc.
  • Variable frequency drives are programmed and started up at the factory (factory-installed option)
  • Modular construction
  • Casing can be broken-down to individual panels and frame members


  • Pre-filter
  • Medium-efficiency filter
  • HEPA filter
  • Hot water coil
  • Steam coil
  • Electrical heater
  • Various humidifiers
  • Attenuator
  • Heat recovery devices