LG 18,000 BTU 18 SEER2 Wall Mounted Ductless Mini Split Heat Pump System R32 Refrigerant Mega Series with Wi-Fi | KSSAC181A

LG

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SKU:
KUSAC181A-KNSAC181A
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Condition:
New
Width:
39.30 (in)
Height:
13.60 (in)
Depth:
11.80 (in)

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Overview

LG 18,000 BTU 18 SEER2 Wall Mounted Ductless Mini Split Heat Pump System R32 Refrigerant Mega Series with Wi-Fi | KSSAC181A

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

Description

The LG Viero KUSAC181A-KNSAC181A mini split system delivers 18,000 BTU of heating and cooling capacity, designed for larger residential rooms and light commercial spaces. Utilizing R-410A refrigerant and a variable-speed inverter compressor, this wall-mounted indoor unit paired with an outdoor condenser achieves up to 18.5 SEER2 and 9.5 HSPF2 efficiency ratings. The system supports flexible zoning and LG ThinQ smart technology, providing precise comfort control and energy-efficient operation.

Performance
Equipped with an inverter-driven compressor, the KUSAC181A-KNSAC181A modulates capacity to maintain stable indoor temperatures while optimizing energy consumption. Its hydrophilic-coated copper coil enhances heat transfer efficiency and corrosion resistance, extending equipment life. Delivering up to 600 CFM airflow, the unit ensures rapid and even temperature distribution in medium to large rooms or zones. The high SEER2 and HSPF2 ratings confirm compliance with modern energy efficiency standards.

Smart Features
This mini split integrates LG ThinQ smart technology, offering Wi-Fi-enabled remote control and compatibility with voice assistants like Google Assistant and Amazon Alexa. It supports smart thermostat integration and customizable zoning, allowing tailored comfort settings for individual rooms or zones. Built-in diagnostics and energy monitoring tools assist users and property managers in optimizing system performance and reducing operational costs.

Comfort & Noise
Operating quietly at approximately 27 dBA indoors, the system ensures near-silent operation suitable for bedrooms, offices, and commercial environments. Auto-swing louvers and multiple fan speed settings provide smooth, balanced airflow that enhances occupant comfort. Comfort Sleep mode maintains stable nighttime temperatures with minimized noise and energy consumption for improved rest.

Use Case Fit
Ideal for larger residential spaces, commercial offices, and multi-family units, the KUSAC181A-KNSAC181A is well suited to temperate and colder climate zones. Its 18,000 BTU capacity and flexible zoning options allow contractors and property managers to customize HVAC solutions tailored to diverse building layouts and occupant needs.

Value & Reliability
Constructed with durable materials and designed for longevity, 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 strong brand reputation, the KUSAC181A-KNSAC181A provides excellent value to wholesale buyers and direct consumers seeking reliable, energy-efficient climate control.

Summary Wrap-Up
The LG Viero KUSAC181A-KNSAC181A 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 versatile 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: Enhances heat transfer efficiency and corrosion resistance for longer equipment life.

  • Flexible Zoning Support: 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:
39.30 (in)
Height:
13.60 (in)
Depth:
11.80 (in)
Weight:
30.00 LBS
AHRI Certified:
Yes
Configuration:
Wall Mount
Capacity (Tons):
1.5
Compressor Type:
Inverter
Prop 65 Warning:
Yes
Product Category:
Ductless Mini Split Single Zone
Electrical Frequency:
60 Hz
Connection Type:
Flared
Cooling Capacity (BTU):
18,000
Heating Output (BTU):
10,000 - 19,000 BTU
Electrical Phase:
1-Phase
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.
Refrigerant Type:
R-32
Zones:
1
Mount Type:
Wall Mount
System Type:
Heat Pump
SEER2:
18 SEER2
Cold Climate:
No
Minimum Heating Temp (°F):
5
Wi-Fi Control:
Built-In
Sound Level Indoor (dB):
32
Sound Level Outdoor (dB):
55
Voltage / Phase:
208/230V 1-Phase
Outdoor Unit KUSAC181A - Nominal Capacity (Tons):
1.5
Outdoor Unit KUSAC181A - Cooling Capacity (BTU/h):
18,000
Outdoor Unit KUSAC181A - Heating Capacity (BTU/h):
19,000
Outdoor Unit KUSAC181A - Refrigerant:
R-32
Outdoor Unit KUSAC181A - Voltage/Phase/Hz:
208-230 V / 1 Ph / 60 Hz
Outdoor Unit KUSAC181A - Minimum Circuit Ampacity (MCA):
15 A
Outdoor Unit KUSAC181A - Maximum Overcurrent Protection (MOP):
20 A
Outdoor Unit KUSAC181A - Compressor Type:
Inverter Twin Rotary
Outdoor Unit KUSAC181A - Minimum Heating Temp (F):
5 F
Outdoor Unit KUSAC181A - Sound Level (dB):
55
Outdoor Unit KUSAC181A - Liquid Line Size:
1/4 in
Outdoor Unit KUSAC181A - Suction Line Size:
1/2 in
Outdoor Unit KUSAC181A - Unit Dimensions (W x D x H):
34.25 in x 13 in x 25.59 in
Outdoor Unit KUSAC181A - Unit Weight:
92.6 lb
Outdoor Unit KUSAC181A - Shipping Weight:
102.5 lb
Indoor Unit KNSAC181A - Type:
Wall Mounted
Indoor Unit KNSAC181A - Nominal Capacity (Tons):
1.5
Indoor Unit KNSAC181A - Cooling Capacity (BTU/h):
18,000
Indoor Unit KNSAC181A - Heating Capacity (BTU/h):
19,000
Indoor Unit KNSAC181A - Refrigerant:
R-32
Indoor Unit KNSAC181A - Airflow (CFM):
371-689
Indoor Unit KNSAC181A - Sound Level (dB):
32-48
Indoor Unit KNSAC181A - Liquid Line Size:
1/4 in
Indoor Unit KNSAC181A - Suction Line Size:
1/2 in
Indoor Unit KNSAC181A - Unit Dimensions (W x D x H):
39.28 in x 8.28 in x 13.59 in
Indoor Unit KNSAC181A - Unit Weight:
26 lb
Indoor Unit KNSAC181A - Shipping Weight:
30 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 18 SEER2 SEER2.
How cold can it be outside for the to keep heating?
It is rated to heat down to 5 °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 KUSAC181A-KNSAC181A?
10 Years Compressor & 10 Years Parts | Registration Required within 60 Days of Purchase
Who makes the KUSAC181A-KNSAC181A?
The KUSAC181A-KNSAC181A is made by LG.