LG 18,000 BTU 23 SEER2 Wall Mounted Ductless Mini Split Heat Pump System R32 Refrigerant High Efficiency Series with Wi-Fi | KSUAB181A

LG

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SKU:
KUSAB181A-KNUAB181A
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Condition:
New
Width:
13.50 (in)
Height:
36.22 (in)
Depth:
13.38 (in)

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Overview

LG 18,000 BTU 23 SEER2 Wall Mounted Ductless Mini Split Heat Pump System R32 Refrigerant High Efficiency Series with Wi-Fi | KSUAB181A

Complete system: LG 18,000 BTU 23 SEER2 Wall Mounted Ductless Mini Split Heat Pump System R32 Refrigerant High Efficiency Series with Wi-Fi - complete system with included remote
Product details

Description

The LG Viero KUSAB181A-KNUAB181A mini split system delivers 18,000 BTU of efficient heating and cooling, ideal for larger residential rooms and light commercial spaces. Utilizing environmentally friendly R-410A refrigerant and an inverter-driven compressor, this wall-mounted indoor unit paired with an outdoor condenser achieves up to 18.5 SEER2 and 9.5 HSPF2 efficiency ratings. Designed for flexible zoning and smart connectivity, this system offers precise temperature control and energy savings suitable for modern homes, offices, and small commercial environments.

Performance
Equipped with a variable-speed inverter compressor, the KUSAB181A-KNUAB181A modulates capacity to maintain stable indoor temperatures while maximizing energy efficiency. The hydrophilic-coated copper coil enhances heat transfer efficiency and protects against corrosion, prolonging equipment life. Delivering up to 600 CFM airflow, the unit ensures rapid, even temperature distribution for medium to large rooms or zones. Its high SEER2 and HSPF2 ratings confirm compliance with current energy efficiency standards for year-round comfort.

Smart Features
This mini split integrates with LG ThinQ smart technology, offering Wi-Fi-enabled remote control and voice assistant compatibility with Google Assistant and Amazon Alexa. It supports smart thermostat integration and customizable zoning, allowing users to tailor comfort settings by room or zone. Built-in diagnostics and energy monitoring help optimize system performance and reduce operational costs.

Comfort & Noise
Operating quietly at approximately 27 dBA indoors, the system ensures near-silent performance ideal for bedrooms, offices, and commercial spaces. Auto-swing louvers and multiple fan speeds provide smooth, balanced airflow, enhancing occupant comfort. The Comfort Sleep mode maintains stable nighttime temperatures while reducing noise and energy use, supporting restful environments.

Use Case Fit
Perfect for larger residential areas, commercial offices, and multi-family units, the KUSAB181A-KNUAB181A suits a variety of climates including temperate and colder zones. Its 18,000 BTU capacity and zoning flexibility enable contractors and property managers to customize HVAC solutions for diverse building layouts and occupant needs.

Value & Reliability
Constructed with premium-grade materials and advanced manufacturing processes, this LG mini split features a corrosion-resistant outdoor condenser and an efficient inverter compressor that reduce maintenance demands and extend system lifespan. Supported by LG’s established reputation, the KUSAB181A-KNUAB181A offers excellent value to wholesale buyers and direct consumers seeking reliable, energy-efficient climate control.

Summary Wrap-Up
The LG Viero KUSAB181A-KNUAB181A mini split system combines robust capacity, advanced inverter technology, and smart home integration to deliver efficient, quiet, and customizable heating and cooling. Its zoning capabilities and remote control features make it a versatile choice for residential and light commercial applications. This system is a smart investment for contractors, property managers, and homeowners focused on energy savings and personalized comfort.

Key Features

  • 18,000 BTU Capacity: Efficient heating and cooling for medium to large rooms and zones.

  • Up to 18.5 SEER2 / 9.5 HSPF2 Efficiency: Offers strong energy savings while ensuring year-round comfort.

  • Inverter-Driven Compressor: Provides precise temperature modulation and optimized energy use.

  • LG ThinQ Smart Connectivity: Enables remote control and voice assistant integration via smartphone apps.

  • Quiet Operation at 27 dBA: Minimizes noise for occupant comfort in sensitive environments.

  • Hydrophilic-Coated Coil: Improves heat transfer efficiency and corrosion resistance for longer equipment life.

  • Flexible Zoning Capability: Supports customized comfort management across multiple rooms or zones.

White Paper

Comfort for the people who live there

The right equipment keeps the rooms you live in steady and quiet, whether it's dinner in the kitchen or a weekend project in the garage.

Specifications

Extra Information

Find your comfort-ready size with confidence

Get a fast, learning-friendly estimate for tons and BTUs, then review it with a Pro to dial in the perfect fit for your home.

Brand:
LG
Width:
13.50 (in)
Height:
36.22 (in)
Depth:
13.38 (in)
Weight:
75.00 LBS
Capacity (Tons):
1.5
AHRI Certified:
Yes
Compressor Type:
Inverter
Configuration:
Wall Mount
Electrical Frequency:
60 Hz
Cooling Capacity (BTU):
18,000
Connection Type:
Flared
Safety Information:
⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Electrical Phase:
1-Phase
Refrigerant Type:
R-32
Prop 65 Warning:
Yes
Heating Output (BTU):
10,000 - 19,000 BTU
Product Category:
Ductless Mini Split Single Zone
Zones:
1
Mount Type:
Wall Mount
System Type:
Heat Pump
SEER2:
20+ SEER2
EER2:
13+ EER2
HSPF2:
10+ HSPF2
Minimum Heating Temp (°F):
-4
Wi-Fi Control:
Built-In
Sound Level Indoor (dB):
31
Sound Level Outdoor (dB):
55
Voltage / Phase:
208/230V 1-Phase
Outdoor Unit KUSAB181A - Nominal Capacity (Tons):
1.5
Outdoor Unit KUSAB181A - Cooling Capacity (BTU/h):
18,000
Outdoor Unit KUSAB181A - Heating Capacity (BTU/h):
21,600
Outdoor Unit KUSAB181A - Refrigerant:
R-32
Outdoor Unit KUSAB181A - Voltage/Phase/Hz:
208-230 V / 1 Ph / 60 Hz
Outdoor Unit KUSAB181A - Minimum Circuit Ampacity (MCA):
19 A
Outdoor Unit KUSAB181A - Maximum Overcurrent Protection (MOP):
30 A
Outdoor Unit KUSAB181A - Compressor Type:
Inverter Twin Rotary
Outdoor Unit KUSAB181A - Minimum Heating Temp (F):
-4 F
Outdoor Unit KUSAB181A - Sound Level (dB):
55
Outdoor Unit KUSAB181A - Liquid Line Size:
3/8 in
Outdoor Unit KUSAB181A - Suction Line Size:
5/8 in
Outdoor Unit KUSAB181A - Unit Dimensions (W x D x H):
37.41 in x 13 in x 32.75 in
Outdoor Unit KUSAB181A - Unit Weight:
127.9 lb
Outdoor Unit KUSAB181A - Shipping Weight:
145.5 lb
Indoor Unit KNUAB181A - Type:
Wall Mounted
Indoor Unit KNUAB181A - Nominal Capacity (Tons):
1.5
Indoor Unit KNUAB181A - Cooling Capacity (BTU/h):
18,000
Indoor Unit KNUAB181A - Heating Capacity (BTU/h):
21,600
Indoor Unit KNUAB181A - Refrigerant:
R-32
Indoor Unit KNUAB181A - Airflow (CFM):
353-558
Indoor Unit KNUAB181A - Sound Level (dB):
34-44
Indoor Unit KNUAB181A - Unit Weight:
26 lb
Indoor Unit KNUAB181A - Shipping Weight:
31.8 lb
Please Note: To validate the manufacturer's warranty, equipment must be installed by a qualified licensed professional in accordance with local codes and the manufacturer's installation requirements.

2023 Energy Standards

Department of Energy (DOE) State Regulations – Effective 2023

Click the link below to view the energy standards applicable to your region.

DOE State Standards Document

Department of Energy (DOE) State Regulations – Effective 2023

Click the link below to view the energy standards applicable to your region.

DOE State Standards Document

Documents & warranty
Warranty
10 Years Compressor & 10 Years Parts | Registration Required within 60 Days of Purchase
Videos2 videos
Introduction to LG Ductless Mini Split Systems
Frequently asked questions
What size is the ?
The is a 1.5 ton unit.
How much cooling does the provide?
It is rated for 18,000 BTU of cooling.
What refrigerant does the use?
It uses R-32 refrigerant.
How many zones does the support?
It supports 1 zone(s).
What is the SEER2 rating of the ?
The is rated at 20+ SEER2 SEER2.
What is the HSPF2 heating efficiency of the ?
It is rated at 10+ HSPF2 HSPF2.
How cold can it be outside for the to keep heating?
It is rated to heat down to -4 °F outdoors.
Can the be controlled over Wi-Fi?
Built-In.
How loud is the outdoors?
The rated outdoor sound level is 55 dB.
What power supply does the need?
It requires 208/230V 1-Phase power.
What warranty comes with the KUSAB181A-KNUAB181A?
10 Years Compressor & 10 Years Parts | Registration Required within 60 Days of Purchase
Who makes the KUSAB181A-KNUAB181A?
The KUSAB181A-KNUAB181A is made by LG.