LG 9,000 BTU 21 SEER2 Wall Mounted Ductless Mini Split Heat Pump System R32 Refrigerant 115V Mega Series with Wi-Fi | KSSAC091B

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KUSAC091B-KNSAC091B
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Condition:
New
Width:
28.20 (in)
Height:
19.50 (in)
Depth:
9.10 (in)

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Overview

LG 9,000 BTU 21 SEER2 Wall Mounted Ductless Mini Split Heat Pump System R32 Refrigerant 115V Mega Series with Wi-Fi | KSSAC091B

LG 9,000 BTU 21 SEER2 Wall Mounted Ductless Mini Split Heat Pump System R32 Refrigerant 115V Mega Series, model KSSAC091B
Product details

Description

The LG Viero KUSAC091B-KNSAC091B mini split system delivers 9,000 BTU of efficient heating and cooling capacity, perfect for small residential and light commercial spaces. Utilizing R-410A refrigerant and an advanced inverter-driven compressor, this wall-mounted indoor unit paired with an outdoor condenser offers precise climate control with up to 19.0 SEER2 and 10.0 HSPF2 efficiency ratings. It supports flexible zoning and smart connectivity, making it a reliable and energy-efficient solution for modern homes and offices.

Performance
Equipped with a variable-speed inverter compressor, the KUSAC091B-KNSAC091B modulates output to maintain consistent indoor temperatures while optimizing energy use. Its hydrophilic-coated copper coil improves heat exchange efficiency and resists corrosion, enhancing system durability. Delivering up to 400 CFM airflow, the unit ensures even temperature distribution in small rooms or zones. The high SEER2 and HSPF2 ratings confirm compliance with stringent energy efficiency standards.

Smart Features
This mini split integrates with LG ThinQ smart technology, enabling Wi-Fi remote access and compatibility with voice assistants like Google Assistant and Amazon Alexa. It supports smart thermostat integration and zoning capabilities, allowing users to customize comfort settings for different rooms or zones. Built-in diagnostics and energy monitoring tools help users and property managers optimize system efficiency and reduce operating costs.

Comfort & Noise
Operating quietly at approximately 21 dBA indoors, the system provides near-silent operation suitable for bedrooms, study rooms, and small offices. Auto-swing louvers and multiple fan speed options ensure smooth, balanced airflow that enhances occupant comfort. The Comfort Sleep mode maintains stable nighttime temperatures with reduced noise and energy use, promoting restful environments.

Use Case Fit
Ideal for small residential rooms, home offices, and light commercial applications, the KUSAC091B-KNSAC091B performs well in temperate and moderately cold climates. Its compact footprint and flexible installation options make it a preferred choice for contractors and property managers seeking efficient and scalable HVAC solutions.

Value & Reliability
Built with durable materials and engineered for longevity, this LG mini split features a corrosion-resistant outdoor condenser and an efficient inverter compressor, reducing maintenance needs and extending system lifespan. Backed by LG’s trusted quality standards, the KUSAC091B-KNSAC091B offers excellent value for both wholesale buyers and direct consumers focused on reliable, cost-effective climate control.

Summary Wrap-Up
The LG Viero KUSAC091B-KNSAC091B mini split system combines compact design, energy-efficient performance, and smart connectivity to deliver quiet, comfortable heating and cooling. Its zoning flexibility and remote control capabilities make it a versatile solution for a variety of small residential and light commercial settings. This system is a smart investment for contractors, property managers, and homeowners focused on comfort, efficiency, and control.

Key Features

  • 9,000 BTU Capacity: Efficient heating and cooling for small rooms and spaces.

  • Up to 19.0 SEER2 / 10.0 HSPF2 Efficiency: Maximizes energy savings while maintaining strong performance.

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

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

  • Quiet Operation at 21 dBA: Near-silent function ideal for bedrooms and offices.

  • Hydrophilic-Coated Coil: Enhances heat transfer efficiency and corrosion resistance for durability.

  • Flexible Zoning Support: Allows customized comfort control across multiple zones or rooms.

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:
28.20 (in)
Height:
19.50 (in)
Depth:
9.10 (in)
Weight:
60.00 LBS
AHRI Certified:
Yes
Product Category:
Ductless Mini Split Single Zone
Capacity (Tons):
0.75
Cooling Capacity (BTU):
9,000
Configuration:
Wall Mount
Connection Type:
Flared
Electrical Phase:
1-Phase
Prop 65 Warning:
Yes
Heating Output (BTU):
Under 10,000 BTU
Electrical Frequency:
60 Hz
Compressor Type:
Inverter
Zones:
1
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
Mount Type:
Wall Mount
System Type:
Heat Pump
SEER2:
20+ SEER2
EER2:
12 EER2
Cold Climate:
No
Minimum Heating Temp (°F):
5
Wi-Fi Control:
Built-In
Sound Level Indoor (dB):
21
Sound Level Outdoor (dB):
50
Voltage / Phase:
115V 1-Phase
Outdoor Unit KUSAC091B - Nominal Capacity (Tons):
0.75
Outdoor Unit KUSAC091B - Cooling Capacity (BTU/h):
9,000
Outdoor Unit KUSAC091B - Heating Capacity (BTU/h):
10,900
Outdoor Unit KUSAC091B - Refrigerant:
R-32
Outdoor Unit KUSAC091B - Voltage/Phase/Hz:
115 V / 1 Ph / 60 Hz
Outdoor Unit KUSAC091B - Minimum Circuit Ampacity (MCA):
15 A
Outdoor Unit KUSAC091B - Maximum Overcurrent Protection (MOP):
20 A
Outdoor Unit KUSAC091B - Compressor Type:
Inverter Twin Rotary
Outdoor Unit KUSAC091B - Minimum Heating Temp (F):
5 F
Outdoor Unit KUSAC091B - Sound Level (dB):
50
Outdoor Unit KUSAC091B - Liquid Line Size:
1/4 in
Outdoor Unit KUSAC091B - Suction Line Size:
3/8 in
Outdoor Unit KUSAC091B - Unit Dimensions (W x D x H):
28.22 in x 9.06 in x 19.5 in
Outdoor Unit KUSAC091B - Unit Weight:
55.3 lb
Outdoor Unit KUSAC091B - Shipping Weight:
60 lb
Indoor Unit KNSAC091B - Type:
Wall Mounted
Indoor Unit KNSAC091B - Nominal Capacity (Tons):
0.75
Indoor Unit KNSAC091B - Cooling Capacity (BTU/h):
9,000
Indoor Unit KNSAC091B - Heating Capacity (BTU/h):
10,900
Indoor Unit KNSAC091B - Refrigerant:
R-32
Indoor Unit KNSAC091B - Airflow (CFM):
148-459
Indoor Unit KNSAC091B - Sound Level (dB):
21-42
Indoor Unit KNSAC091B - Liquid Line Size:
1/4 in
Indoor Unit KNSAC091B - Suction Line Size:
3/8 in
Indoor Unit KNSAC091B - Unit Dimensions (W x D x H):
32.94 in x 7.44 in x 12.13 in
Indoor Unit KNSAC091B - Unit Weight:
19.2 lb
Indoor Unit KNSAC091B - Shipping Weight:
22 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 0.75 ton unit.
How much cooling does the provide?
It is rated for 9,000 BTU of cooling.
How many zones does the support?
It supports 1 zone(s).
What refrigerant does the use?
It uses R-32 refrigerant.
What is the SEER2 rating of the ?
The is rated at 20+ 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 50 dB.
What power supply does the need?
It requires 115V 1-Phase power.
What warranty comes with the KUSAC091B-KNSAC091B?
10 Years Compressor & 10 Years Parts | Registration Required within 60 Days of Purchase
Who makes the KUSAC091B-KNSAC091B?
The KUSAC091B-KNSAC091B is made by LG.