Fujitsu AOUH12KUBS & AGUH12KUAS 12,000 BTU 25 SEER2 Floor Mounted Heat Pump System

Fujitsu AIRSTAGE AGUH12KUAS & AOUH12KUBS: 12,000 BTU Floor-Mounted Heat Pump System

The Fujitsu AIRSTAGE AGUH12KUAS floor-mounted indoor unit paired with the AOUH12KUBS outdoor heat pump delivers efficient year-round heating and cooling in a sleek, low-wall design. Ideal for rooms where wall-mounted units are not practical, this 12,000 BTU single-zone system combines advanced inverter technology, built-in Wi-Fi connectivity, whisper-quiet operation, and reliable comfort performance to provide an energy-efficient solution for residential applications.

The AGUH12KUAS indoor unit is specifically designed for comfort where wall space is limited, making it an excellent choice for bedrooms, home offices, sunrooms, finished basements, additions, and other living spaces. Its floor-mounted configuration provides powerful airflow at occupant level while maintaining a compact and attractive appearance. Multiple fan speed settings—including Auto, High, Medium, Low, and Quiet modes—allow users to customize airflow and comfort throughout the year. Whisper-quiet operation with sound levels as low as 22 dB(A) helps create a peaceful indoor environment without disruptive operating noise.

Advanced operating modes include Economy Mode, Energy Saving Mode, Powerful Mode, Minimum Heat Mode, Automatic Defrost operation, and Auto-Restart functionality. Built-in Wi-Fi connectivity allows convenient remote monitoring and control through the Fujitsu AIRSTAGE Mobile App, enabling users to adjust temperature settings, schedules, and operating modes from virtually anywhere. Flexible control options also support optional wireless and wired controllers, BACnet® integration, Modbus® connectivity, thermostat interfaces, and additional third-party control solutions.

The AOUH12KUBS outdoor unit utilizes Fujitsu’s advanced inverter-driven compressor technology to continuously adjust output based on heating and cooling demand. This variable-speed operation helps improve comfort, maintain more consistent temperatures, reduce energy consumption, and operate more quietly than traditional fixed-speed systems. The heat pump provides dependable cooling during summer months and efficient heating during colder weather, making it a versatile year-round comfort solution.

For enhanced safety and functionality, the AGUH12KUAS includes a built-in refrigerant leak detection sensor, integrated external input/output terminals for third-party device connectivity, group control capability, multiple auxiliary heat logic options, and service monitoring functionality through compatible accessories. Weekly timers, 24-hour timers, and sleep functions provide flexible scheduling options to help maximize comfort and efficiency.

General Information

System Type: Floor-mounted indoor unit + single-zone heat pump outdoor unit

Models: Indoor – AGUH12KUAS | Outdoor – AOUH12KUBS

Capacities: 12,000 BTU Cooling & Heating

Room Size: Ideal for bedrooms, offices, sunrooms, additions, and spaces up to ~450–600 sq ft

Operating Modes: Heating & Cooling

Refrigerant: R-32

Wi-Fi Connectivity: Built-in AIRSTAGE Mobile App compatibility

ENERGY STAR®: Yes (varies by region and application)

Key Features

Floor-Mounted Design: Ideal for rooms where wall space is limited

Built-In Wi-Fi: Remote control and monitoring through the AIRSTAGE Mobile App

Whisper-Quiet Operation: Indoor sound levels as low as 22 dB(A)

Inverter Technology: Variable-speed compressor for enhanced efficiency and comfort

Multiple Fan Speeds: Auto, High, Medium, Low, and Quiet settings

Economy & Energy Saving Modes: Improved efficiency and reduced operating costs

Minimum Heat Mode: Low-temperature protection during colder months

Built-In Refrigerant Leak Detection Sensor: Enhanced safety and reliability

Group Control Capability: Manage multiple compatible units simultaneously

Third-Party Integration: Supports BACnet®, Modbus®, thermostat interfaces, and external controls

Weekly Timer & Sleep Function: Flexible scheduling and comfort management

Specifications (Rated Conditions)

Nominal Capacity: 12,000 BTU/H

Indoor Airflow (Cooling): 159–353 CFM

Indoor Airflow (Heating): 159–353 CFM

Indoor Sound Levels: 22–42 dB(A)

Electrical: 208/230 V, 1-Ph, 60 Hz

Indoor MCA: 0.44 A

Indoor Input Power: 20 W

Piping: Liquid 1/4 in | Gas 3/8 in

Indoor Dimensions / Weight: 23-5/8 × 29-1/8 × 7-7/8 in | 31 lb

Shipping Weight (Indoor): 39 lb

Indoor Operating Range: Cooling 64°F–90°F | Heating 60°F–86°F

Drain Connection: Integrated condensate drain system

Outdoor Unit Specifications

Compressor Type: Inverter-driven rotary compressor

Refrigerant: R-32

Operating Modes: Heating & Cooling

Outdoor Design: Compact side-discharge heat pump condenser

Variable-Speed Operation: Precise capacity modulation for enhanced comfort and efficiency

Approximate Outdoor Weight: 77 lb shipping weight

Low-Ambient Performance: Designed for dependable heating and cooling across a broad operating range

Corrosion-Resistant Construction: Durable cabinet and outdoor components for long-term reliability

Quiet Operation: Engineered for low outdoor sound levels and neighborhood-friendly performance

Outdoor specifications based on Fujitsu AIRSTAGE AOUH12KUBS product literature and published manufacturer data.

Included Components

Indoor Unit: AGUH12KUAS floor-mounted indoor unit

Outdoor Unit: AOUH12KUBS inverter-driven heat pump condenser

Built-In Wi-Fi Interface: Factory installed for AIRSTAGE Mobile App connectivity

Ideal For

Bedrooms, home offices, sunrooms, finished basements, additions, and other spaces where wall-mounted systems may not be desirable. The Fujitsu AGUH12KUAS & AOUH12KUBS system delivers efficient year-round heating and cooling, whisper-quiet performance, built-in smart controls, inverter-driven efficiency, and flexible installation options in a compact floor-mounted design.