LG 18,000 BTU Multi F One-Way Multi /Single Zone Ceiling Cassette Mini Split Air Handler - R32| 230V

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LG

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Model

KNUFB181A

ID

235774

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Product Features
  • 18,000 BTU Indoor Ceiling Air Handler
  • Perfect for Rooms Up to 700-900 sq ft
  • Sleek One-Way Ceiling Cassette Design
  • Uses 1/4" x 1/2" Line Set
  • Wi-Fi Remote Control with LG ThinQ™ app
  • 7 Years Parts Warranty with Online Registration

LG 18,000 BTU Multi F One-Way Multi/Single‑Zone Ceiling Cassette Mini Split Air Handler – R32 | 230V

This one-way ceiling cassette air handler is designed to deliver efficient, low-profile comfort for spaces up to approximately 700–900 sq ft. Ideal for bedrooms, offices, and open living areas, it provides discreet installation with powerful, even airflow while maintaining a clean ceiling appearance.

Key Features

  • Coverage Up to 900 Sq. Ft.: Provides efficient heating and cooling for small to medium-sized rooms, depending on insulation, layout, and climate conditions.
  • LG Multi F System Compatibility: Designed for use with high-efficiency LG Multi F systems, with efficiency ratings reaching over 20 SEER2 depending on the compatible outdoor condenser.
  • Quiet Inverter-Driven Performance: Adjusts operation to meet changing comfort needs, delivering consistent temperatures with reduced noise.
  • Wide Operating Temperature Range: Provides reliable heating and cooling across a broad range of outdoor temperatures, including colder conditions.
  • Built-In Wi-Fi Compatibility: Enables convenient smart control and remote access through a compatible device.

Feature Highlights

Efficiency (SEER2)
When paired with an LG Multi F outdoor unit, this system can achieve high SEER2 ratings, helping reduce energy consumption and lower utility costs. Advanced inverter technology adjusts output based on demand, improving overall efficiency and maintaining consistent indoor comfort.

Quiet Operation
Designed for low sound levels, this ceiling cassette operates quietly in the background, making it ideal for bedrooms and workspaces. Its concealed installation further minimizes perceived noise, contributing to a more comfortable and distraction-free environment.

Right-Sized Power
With an 18,000 BTU capacity, this unit is well-suited for medium-sized rooms where balanced airflow and consistent temperature control are essential. It provides enough power to cool or heat efficiently without excessive cycling, helping extend system lifespan and improve comfort.

What's Included

  • Indoor ceiling cassette air handler — 18,000 BTU capacity
  • Compatible with LG Multi F outdoor condenser (sold separately)
  • Wireless remote control
  • Installation manual

Recommended Accessories

  • Refrigerant line set
  • Ceiling support hardware or mounting kit
  • Drain hose and insulation kit

Warranty

LG products include a 10-year warranty with the requirement that installation is completed by a licensed contractor and that the product is registered within 60 days of installation at https://lg-dfs-warranty.com/.

More Information
LG 18,000 BTU Multi F One-Way Multi /Single Zone Ceiling Cassette Mini Split Air Handler - R32| 230V
FeatureSpec
SKUKNUFB181A
Weight (in lbs)30.4
Brand/ManufacturerLG
UPC195174114698
ControllerWireless Included
Cooling BTU18,000 BTU
Heating BTU20,000 BTU
Maximum CFM512 Turbo / 477 Hi / 406 Med / 335 Lo CFM (Airflow)
Decibel Level (dBA)35-46 dBA
RefrigerantR32
Liquid Line 1/4"
Suction Line 1/2"
Electrical208-230V | 1Phase | 60Hz
BTU/Tonnage18,000 BTU/1.5 Ton
Mini Split TypeSlim Ceiling Cassette
Zone CompatibilityMulti Zone
Height11.42"
Width16.65"
Depth51.18"
Warranty10 Year Compressor / 7 Years Parts Warranty with Online Registration
Resources You will need AdobeA® AcrobatA® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
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