Carrier Air Handler | Dyess AirCarrier Air Handler | Dyess Air

Carrier Comfort FB4 Air Handler

Carrier’s Comfort™ series fan coil’s multi-speed blower offers varied comfort options without sacrificing energy efficiency. When paired with an air conditioner or heat pump, this unit can boost efficiency and help you lower energy bills.

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  • All-aluminum coils boost corrosion resistance
  • 5-speed blower motor for high efficiency
  • Enhanced humidity control
  • Multi-flow piston metering device (thermostatic expansion valve only available in 5-ton capacity)
  • Corrosion-free drain pan with sloped design to cut bacteria and mold accumulation
  • Environmentally friendly Puron® refrigerant
  • 100% insulated cabinet
  • 10-year parts limited warranty
  • Optional factory or field-installed electrical-resistance heating
  • Optional labor warranty


  • Blower motor improves summer dehumidification
  • Insulated cabinet lowers operating noise
  • Multi-speed blower motor delivers high efficiency
  • Refrigerant management by multi-flow piston
  • For use with Performance™ or Comfort™ series thermostats
  • 1.5 to 5-ton capacities available
  • Upflow, downflow, or horizontal configurations for flexible installation
  • 208-230V
  • Pre-painted 20-gauge galvanized steel cabinet in taupe metallic