Fujitsu AMUH18KUAS 18,000 BTU Ducted Multi-Position Air Handler Indoor Unit - R32

Fujitsu AMUH18KUAS – 18,000 BTU R‑32 Multi‑Position Air‑Handler Indoor Unit

Experience versatile, high-performance comfort with the Fujitsu AMUH18KUAS—a compact multi-position air-handler designed for multi-zone ductless systems. Ideal for residential and light-commercial spaces up to ~750 sq ft (based on 18 kBTU capacity).

Adaptable, Space‑Efficient Design

Sized to fit in tight ceiling or soffit spaces, the unit supports flexible installation orientations (vertical, horizontal, ceiling‑suspended), optimizing airflow while keeping your décor clean and discreet.

Efficient & Whisper‑Quiet Operation

Utilizing eco-friendly R‑32 refrigerant and a precision inverter fan, it operates at low noise levels starting around 33 dB(A), across multiple fan speeds (Auto, High, Med, Low, Quiet).

Corrosion‑Resistant Coils & Drainage Support

Equipped with Fujitsu’s ProCore™ high-corrosion-resistant copper coils and a built-in condensate drain pump, this unit ensures durable, clean performance in any installation.

Advanced Controls & Multi‑Zone Integration

A member of Fujitsu’s R‑32 multi-zone lineup, the AMUH18KUAS seamlessly integrates with up to five indoor units and supports wired/wireless remotes, optional Wi‑Fi (via accessory), and third-party smart-home interfaces (BACnet/Modbus).

Reliable, Robust, and Safe

Factory-charged with R‑32 refrigerant and compatible with 208/230 V single-phase power, this unit includes auto-restart after power outages and supports refrigerant-leak detection, ensuring dependable operation.

Ideal Use Cases

Perfect for basement rec rooms, attics, through-ceiling installs, or multi-zone living areas seeking efficient heating/cooling with a concealed, flexible-mounted indoor unit.