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Home > Air Conditioners > Mini Split Air Conditioners > KSSAE121A
LG KSSAE121A - 11,000 BTU Single Zone Mini Split System
LG KSSAE121A - 11,000 BTU Single Zone Mini Split System
LG KSSAE121A - 11,000 BTU Single Zone Indoor Wall Mounted Split Type with Built-in Wi-Fi
LG KSSAE121A - 12,000 BTU Single Zone Outdoor Unit with Inverter Heat Pump
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LG KSSAE121A
Authorized
Dealer

LG
KSSAE121A
11,000 BTU Single Zone Mini Split System with Inverter Heat Pump, Built-in Wi-Fi, 2 Way Auto Swing, Self-Cleaning Indoor Coil, Sleep Mode, Ultra-Quiet Operation, and R32 Refrigerant

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included items
11,000 BTU Single Zone Indoor Wall Mounted Unit (KNSAE121A)
• Built-in Wi-Fi, 2 Way Auto Swing, Self-Cleaning Indoor Coil
12,000 BTU Single Zone Outdoor Unit (KUSAE121A)
• Inverter Heat Pump, Built-in Wi-Fi, Auto Restart
To order or learn more please call us at:
800-570-3355
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Product Information
Brand: LG
Model: KNSAE121A
Dimensions & Weights
Width: 32 15/16 Inch
Depth: 10 11/32 Inch
Height: 12 1/8 Inch
Net Weight: 19 Lbs.
Shipping Weight: 22 Lbs.
Capacity
Heating Capacity: 12,000 BTU
Cooling Capacity: 11,000 BTU
General
AC System Type: Mini Split
Component Type: Indoor Unit
Operation: Cooling with Heat Pump
Wireless Remote Control(s) Included: Included
Thermostat Range - Cooling (F°): 14-118
Thermostat Range - Heating (F°): 5-65
Electrical Data
Power Source V / Hz / Ø: (208/230/60/1)
Performance
Fan: Cross-Flow
No. of Fans: 1
Motor: Brushless Digitally Controlled
Energy Star Certified: Yes
Moisture Removal (Pts/hr): 2.75 Pts./Hr.
Airflow Rate Quiet (CFM): 148 CFM
Airflow Rate Low (CFM): 264 CFM
Airflow Rate Medium (CFM): 353 CFM
Airflow Rate High (CFM): 459 CFM
Operating Sound Level - Low (dB): 28 dB
Operating Sound Level - Medium (dB): 36 dB
Operating Sound Level - High (dB): 42 dB
Piping Connections
Power and Communication Cable - No.: 4
Power and Communication Cable - AWG: 14
Refrigeration System
Refrigerant Type: R-32
Refrigerant Control: EEV
Piping Length (No Additional Refrigerant): 24.6 Ft.
Min. Line Length - Each: 9.8 Ft.
Max. Line Length - Total: 49.2 Ft.
Features
Program Timer: Yes
Sleep Mode: Yes
Soft Start: Yes
Quiet/Sleep Mode: Yes
Self-Cleaning Indoor Coil: Yes
4-Way Swing: Yes
No. of Fan Speeds: 6
WiFi Connected: Yes
Technical Details
ADA Compliant: No
Voltage: 230/208 Volts
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Description

11,000 BTU Single Zone Indoor Wall Mounted Unit
The LG 11,000 BTU Single Zone Indoor Wall Mounted Split delivers efficient and reliable heating and cooling for single-room applications. Designed for quiet operation and energy efficiency, it features advanced inverter technology for precise temperature control and reduced energy consumption. Its sleek wall-mounted design saves space while providing powerful performance, making it an ideal solution for year-round comfort in residential and small commercial spaces.

Specifications

Performance
Cooling Capacity:  
11,000
SEER2:  
18
EER2:  
12
Heating Capacity:  
12,000
HSPF2:  
8.5
Electrical
Power Supply (V¹/Hz/Ø):  
208-230/60/1
MOP (A):  
15
MCA (A):  
10
Cooling Rated Amps (A):  
5.2
Heating Rated Amps (A):  
7.3
Compressor (A):  
6.7
Fan Motor (IDU + ODU) (A):  
0.4 + 0.6
Cooling Power Input (kW) (Min~Rated~Max @95°F) (kW):  
0.2 ~ 0.917 ~ 1.54
Heating Power Input (kW) (Min~Rated~Max @47°F) (kW):  
0.195 ~ 1.02 ~ 1.64
Piping
Liquid Line (in., O.D.):  
1/4
Vapor Line (in., O.D.):  
3/8
Additional Refrigerant (oz./ft.):  
0.16
Min. / Max. Pipe Length (ft.)²:  
9.8 / 49.2
Piping Length (no add’l refrig., ft.):  
24.6
Max. Elevation (ft.):  
23
Operating Range Indoor Unit
Cooling (°F DB):  
53 ~ 75
Heating (°F WB):  
60 ~ 86
System Data
Refrigerant Type:  
R32
Refrigerant Control:  
EEV
Refrigerant Charge (lbs.):  
1.54
IDU Sound Pressure
Cooling (H/M/L/Sleep) (±1 dB[A])³:  
42 / 36 / 28 / 21
Heating (H/M/L) (±1 dB[A])³:  
42 / 36 / 28
IDU Net / Shipping Weight (lbs.):  
19.2 / 22
Heat Exchanger Coating:  
GoldFin™
Fan
IDU Type:  
Cross Flow
Fan Speeds (Fan/Cool/Heat):  
6 / 6 / 6
Quantity (ODU + IDU):  
1 + 1
Motor/Drive:  
Brushless Digitally Controlled/Direct
IDU Air Flow
Cooling, Max/H/M/L (CFM):  
459 / 353 / 264 / 148
Heating, Max/H/M/L (CFM):  
459 / 353 / 254 / 198
Dehumidification (pts./hr.):  
2.75
Dimension and Weight
Width:  
32 15/16”
Depth:  
10 11/32“
Height:  
12 1/8“
Weight:  
19 lbs.

Features

Built-in Wi-Fi
  • Allows remote control and monitoring via a smartphone app for added convenience.
2 Way Auto Swing
  • Distributes airflow evenly for improved comfort and temperature balance.
Self-Cleaning Indoor Coil
  • Helps prevent bacteria and mold buildup, ensuring cleaner air and improved efficiency.
Sleep Mode
  • Optimizes temperature settings for energy-efficient, comfortable sleep.
Ultra-Quiet Operation
  • Minimizes noise levels for a peaceful indoor environment.
R32 Refrigerant
  • An eco-friendly refrigerant that enhances efficiency and reduces environmental impact.
Other Features
  • 24-Hour On/Off Timer
  • Auto Changeover
  • Jet Cool/Jet Heat
  • Smart Care
  • Smart Diagnosis
  • Energy Saving
  • Inverter (variable speed compressor)
  • Included Accessories Wireless Remote Controller — AKB76044207
California residents see Prop 65 WARNINGS

Reviews

Manuals & Guides

Specification Sheet
Owners Manual
Product Information
Brand: LG
Model: KUSAE121A
Dimensions & Weights
Width: 28 7/32 Inch
Depth: 9 1/4 Inch
Height: 19 1/2 Inch
Net Weight: 55 Lbs.
Shipping Weight: 60 Lbs.
Capacity
Heating Capacity: 12,000 BTU
Cooling Capacity: 11,000 BTU
General
AC System Type: Mini Split
Component Type: Outdoor Unit
Operation: Cooling with Heat Pump
Electrical Data
Power Source V / Hz / Ø: (208/230/60/1)
Minimum Ampacity (Amps): 15 Amps
Max. TD Fuse/Breaker: 10 Amps
Performance
Energy Star Certified: Yes
Piping Connections
Power and Communication Cable - No.: 4
Power and Communication Cable - AWG: 14
Refrigeration System
Refrigerant Type: R-32
Refrigerant Control: EEV
Piping Length (No Additional Refrigerant): 24.6 Ft.
Min. Line Length - Each: 9.8 Ft.
Max. Line Length - Total: 49.2 Ft.
Max. Height Diff. btwn. Indoor and Outdoor Units: 23 Ft.
Outside Temperature Range for Cooling - Min.: 14 °F
Outside Temperature Range for Cooling - Max.: 118 °F
Outside Temperature Range for Heating - Min.: 5 °F
Outside Temperature Range for Heating - Max.: 65 °F
Features
Sleep Mode: Yes
Inverter (Variable speed compressor): Yes
No. of Fan Speeds: 6
WiFi Connected: Yes
Technical Details
ADA Compliant: No
Voltage: 230/208 Volts
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Description

12,000 BTU Single Zone Outdoor Unit with Inverter Heat Pump
The LG Mega 115V Single Zone Inverter Heat Pump delivers powerful and energy-efficient heating and cooling with 12,000 BTU capacity, R-32 refrigerant, and a 18 SEER2 rating. Designed for single-zone applications, it operates on a 115V power supply and features built-in WiFi for convenient remote control. Its inverter technology ensures optimal performance, energy savings, and quiet operation, making it ideal for residential and light commercial spaces.

Specifications

Performance
Cooling Capacity:  
11,000
SEER2:  
18
EER2:  
12
Heating Capacity:  
12,000
HSPF2:  
8.5
Electrical
Power Supply (V¹/Hz/Ø):  
208-230/60/1
MOP (A):  
15
MCA (A):  
10
Cooling Rated Amps (A):  
5.2
Heating Rated Amps (A):  
7.3
Compressor (A):  
6.7
Fan Motor (IDU + ODU) (A):  
0.4 + 0.6
Cooling Power Input (kW) (Min~Rated~Max @95°F) (kW):  
0.2 ~ 0.917 ~ 1.54
Heating Power Input (kW) (Min~Rated~Max @47°F) (kW):  
0.195 ~ 1.02 ~ 1.64
Piping
Liquid Line (in., O.D.):  
1/4
Vapor Line (in., O.D.):  
3/8
Additional Refrigerant (oz./ft.):  
0.16
Min. / Max. Pipe Length (ft.)²:  
9.8 / 49.2
Piping Length (no add’l refrig., ft.):  
24.6
Max. Elevation (ft.):  
23
Operating Range Outdoor Unit
Cooling (°F DB):  
14 ~ 118
Heating (°F WB):  
5 ~ 65
System Data
Refrigerant Type:  
R32
Refrigerant Control:  
EEV
Refrigerant Charge (lbs.):  
1.54
ODU Sound Pressure (Cooling / Heating) (±1 dB[A])³:  
50 / 50
ODU Net / Shipping Weight (lbs.):  
55.3 / 60
Heat Exchanger Coating:  
GoldFin™
Fan
ODU Type:  
Propeller
Motor/Drive:  
Brushless Digitally Controlled/Direct
ODU Max. Air Flow Rate (CFM):  
953
Dehumidification (pts./hr.):  
2.75
Dimension and Weight
Width:  
28 7/32”
Depth:  
9 1/4“
Height:  
19 1/2“
Weight:  
55 lbs.

Features

Inverter Heat Pump
  • Provides efficient heating and cooling with precise temperature control and energy savings.
Built-in Wi-Fi
  • Enables remote control and monitoring via a smartphone app for convenience and flexibility.
Auto Restart
  • Automatically resumes operation with previous settings after a power outage.
Ultra-Quiet Operation
  • Designed for minimal noise, ensuring a comfortable and peaceful indoor environment.
R32 Refrigerant
  • A more eco-friendly refrigerant with improved efficiency and lower environmental impact.
Other Features
  • Auto Changeover
  • Jet Cool/Jet Heat
  • Smart Care
  • Smart Diagnosis
  • Energy saving
  • Inverter (variable speed compressor)
  • Included Accessories Wireless Remote Controller — AKB76044207
California residents see Prop 65 WARNINGS

Reviews

Manuals & Guides

Specification Sheet
Owner's Manual
BTU Calculator