Fujitsu ACUH18KUAS & AOUH18KUAS1 18,000 BTU 21.9 SEER2 Ceiling Cassette Heat Pump System (w/ Grille) - R32

Fujitsu ACUH18KUAS & AOUH18KUAS1 – 18,000 BTU R‑32 Ceiling Cassette Mini‑Split System
The Fujitsu ACUH18KUAS and AOUH

18KUAS1 ductless mini-split system delivers quiet, energy-efficient heating & cooling in a compact ceiling cassette design. Perfect for small residential or commercial spaces (up to ~750 sq ft), this single-zone system uses eco-friendly R‑32 refrigerant and offers year-round comfort with flexible airflow control and reliable performance—even in demanding conditions.

General Information
System Type: Ceiling cassette mini-split system (indoor & outdoor)
Indoor Model: ACUH

18KUAS
Outdoor Model: AOUH

18KUAS1
Capacity:

18,000 BTU Heating & Cooling
Room Size: Ideal for up to ~750 sq ft
Operating Modes: Heating & Cooling
ENERGY STAR®: Yes
Refrigerant: R‑32, pre-charged; supports up to 98 ft line set

Key Features
Compact Ceiling Cassette: Discreet installation fits standard 24″ x 24″ ceiling grids; ideal for drop ceilings in residential and light commercial environments
UTG‑CCGFGA Grille Included: Stylish, slim-profile grille with directional louvers for even airflow distribution
Quiet Operation: Indoor sound levels as low as 29 dB(A); outdoor unit runs at just 52 dB(A)
Built-in Condensate Pump: Handles up to 24″ of lift for flexible drainage options
Powerful Air Distribution: 4-way airflow with adjustable vanes for full room coverage
Inverter Compressor: Variable-speed technology for efficient, precise temperature control
Advanced Controls: Compatible with wired remotes and Wi-Fi options (sold separately)

Specifications (Rated Conditions)
Cooling Capacity (Max/Min): 20,100 / 3,100 BTU
SEER2 / EER2: 21.9 / 12.6
Airflow (Cooling & Heating): 241-441 CFM / 265-471 CFM
Sound Pressure: Indoor: 29-42 dB(A) • Outdoor: 52-55 dB(A)
Electrical: 208/230 V • 1‑Phase • 60 Hz
Piping Size: Liquid 1/4″ • Gas 1/2″ • Max Length: 98 ft • Max Height Diff: 44 ft
Indoor Unit Dimensions/Weight: 9-5/8" x 22‑7/16″ × 22‑7/16″ • 35 lb
Outdoor Unit Dimensions/Weight: 24-7/8" x 31-7/16" x 11-7/16 • 84 lb

Included Components
ACUH

18KUAS ceiling cassette indoor unit
AOUH

18KUAS1 outdoor condenser
UTG‑CCGFGA grille (required and included)

Ideal For
Homeowners, contractors, and small business owners looking for an efficient, quiet ceiling-mounted cooling solution for bedrooms, offices, conference rooms, or boutique retail environments. Perfect for drop ceiling installations where aesthetics and comfort are both essential.