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Send Payments to: 4575 Webb Bridge Road, Suite 4586, Alpharetta, GA 30023 11950 Jones Bridge Road, Suit 116, Alpharetta, GA 30005
Send Payments to: 4575 Webb Bridge Road, Suite 4586, Alpharetta, GA 30023 11950 Jones Bridge Road, Suit 116, Alpharetta, GA 30005

Air Handling Unit

Air Handling Unit


Save space and save money. The Carrier FZ4A fan coil Air Handling Unit when correctly matched with a variable speed Heat Pump or Air Conditioner, can deliver cooling efficiencies not previously possible from such a compact space. It’s a key component in our most affordable Variable-Speed System.


  • All Aluminum Evaporator Coils for enhanced corrosion resistance
  • Improved humidity control
  • Thermostatic Expansion Valve (TXV) refrigeration management maintains proper flow to help insure reliable, efficient operation
  • Sloped, corrosion-free drain pan design helps reduce mold and bacteria build-up
  • Air purifier and humidifier compatible
  • Non-ozone depleting Puron® refrigerant
  • Fully insulated cabinet
  • Advanced temperature control
  • 10-year parts limited warranty1

FX4D Comfort™ Series
Multi-Poise Deluxe Fixed Speed Fan Coil with Puron®

  • High efficiency ECM motor 5-speed blower
  • Factory-installed Puron® refrigerant thermostatic
    expansion valves (TXV)
  • Factory-installed heater packages available
  • 3- through 30-kW Accessory heaters field installed
  • Simple control board with blower-off delay, and internal
    thermostat wire junction box
  • Large, grooved tube, louvered fin coils
  • Dedicated refrigerant circuits
  • Efficient, quiet, time-tested blower housing and diffusers
  • Sturdy condensate pans with secondary drain connection
  • Pre-painted galvanized steel cabinet, 1″ thick R-4.2 insulation with vapor barrier
  • Unique cabinet design to meet 2% air leakage regulations
  • Horizontal hanging provisions on cabinetry
  • No tool required to service filter
  • Factory-supplied, cleanable and reusable filter
  • Factory-supplied power plug
  • Easy plug-in provisions for heater installation
  • Entry options for high and low voltage wiring hook-up
  • Simple, 5A blade fuse to protect 40VA transformer
  • Easy coil inspection
  • Leak-preventing sweat connections
  • ArmorTech™ coil with sweat connections
  • 208/230-1-60
  • AHRI Certified
  • cULus Listed
  • ISO 9001 Certified system


  • Electrical-resistance heating packages available
  • Optional labor warranty available2



  • Ultra low power consumption during fan only operation


  • Summer dehumidification is blower motor enhanced
  • Sound: quiet operation


  • High-efficiency, Multi-speed blower motor
  • Supplemental, electrical-resistance heating packages available for field installation
  • Thermostatic Expansion Valve (TXV) refrigeration management
  • All Aluminum coils for enhanced corrosion resistance
  • Washable air filter
  • Recommended control: CorTM Thermostat


  • 2-5 ton


  • Flexible installation: upflow, downflow or horizontal


  • 208-230 V


  • 20-gauge, galvanized steel cabinet pre-painted in taupe metallic