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 AOUH18KUAS1 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: ACUH18KUAS
Outdoor Model: AOUH18KUAS1
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
ACUH18KUAS ceiling cassette indoor unit
AOUH18KUAS1 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.