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12,000 BTU, R-410A, Ductless Standard Multi F Air Conditioner/Inverter Heat Pump w/ Built In WiFi (Indoor Unit)

Brand:
LG
SKU:
LSN120HSV5
Rating:
(7)
Q&A:
(3)
12,000 BTU, R-410A, Ductless Standard Multi F Air Conditioner/Inverter Heat Pump w/ Built In WiFi (Indoor Unit)
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LSN120HSV5 has been discontinued
Discontinued April 16, 2025
This product was discontinued by the manufacturer.
Suggested Alternative:
12,000 BTU, R-32, 22.5 SEER2 Multi F Wall Mounted High Efficiency Single/Multi Zone Heat Pump w/ Built-In WiFi (Indoor Unit)
Brand:
LG
SKU:KNUAB121A
(0)
Order by 6PM, receive 30 by Monday
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VIEW ALTERNATIVE

Product Highlights

Product Highlight: Cooling Capacity (BTU)
12000 BTUs
Product Highlight: Heating Capacity (BTU)
13600 BTUs
Product Highlight: Liquid Line
1/4"
Product Highlight: Suction Line
3/8" SL
Product Highlight: Energy Star Rated
Yes
Product Highlight: Number of Zones
1

Description

This R410A unit is no longer manufactured as per the AIM Act of 2020. While replacement parts are available for repairs, a new unit will require replacing the entire system to support the new A2L R32 refrigerant. 

Please visit our Mini Split Air Conditioners for system selection or reach out to Customer Care Team Contact Us for assistance.


What Sets This Unit Apart?

Highly Efficient – Carries an Energy Star certification and an impressive 21.5 SEER rating that ensures efficient performance, lower operating costs, and a longer unit lifespan.

12,000 BTU Cooling, 13,600 BTU Heating Capacity – Provides reliable year-round comfort and precision temperature control for spaces up to 550 sq. ft.

Minimal Maintenance – Features auto restart, a self-cleaning indoor coil, and a condensate sensor connection to greatly reduce the need for hands-on maintenance.

Natural Airflow – Chaos wind technology, 3M Micro Protection Filter, and 4-way auto swing ensure clean, consistent, and natural-feeling air distribution and whisper-quiet operation.

Innovative Inverter – The variable-speed compressor tailors output to match demand, boosting energy efficiency while minimizing temperature swings.

Product Overview

An air conditioner and heat pump designed for high-efficiency and low maintenance, the LG LSN120HSV5 is a sleek, wall-mounted unit that’s a smart choice for homeowners and technicians alike.

Maintenance is a breeze thanks to the self-cleaning indoor coil, auto restart, and condensate sensor connection. The unit also has a built-in inverter that optimizes energy consumption based on usage and substantially improves its service life.

Homeowner satisfaction is a given thanks to a 3M Micro Dust Filter and Chaos Wind feature, providing cleaner, fresher air and more natural airflow patterns. The unit’s even equipped with Smart ThinQ app functionality so homeowners can adjust their climate settings from anywhere.

The LG LSN120HSV5 wall unit comes complete with a wireless handheld remote control (SKU AKB74955602), owner’s manual, and everything you need to install it. Explore our resources for more information about mini splits and check out our selection of LG units here.

This is an indoor unit only, and requires an outdoor unit to function. For Single Zone Systems Outdoor Unit ( LSU120HSV5) is required. For Multi F Zones, any Multi F Outdoor Unit is compatible. Outdoor units are sold separately.

Reducers or Increasers (adapters) come with the product. All of LG's equipment comes with proper flare nuts.

This LG unit may qualify for a tax credit or rebate in your area. Search your zip code in the link below for information about rebate programs that apply to you.
LG Rebates and Incentives

LG Mini-Split, Duct-Free Air Conditioning Installation & Warranty Info

We recommend the installation of all LG Ductless Split Systems to be done by a licensed, trained & qualified HVAC technician with the proper knowledge and background. A trained technician will be able to judge the best location for the air handling (evaporator) unit and also the correct size for the area it has to cool.

Should you experience an issue during the installation or the initial startup of the unit please do not contact the manufacturer. You should have the technician that installed the units contact us or the manufacturer. LG cannot accept any service or warranty calls from anybody but a licensed HVAC technician.

Neither we or LG Electronics U.S.A. can be held liable for improper installation and operation of any LG air conditioning product purchased from our company. Should a warranty issue arise where parts will need to be replaced, an installation receipt will be required along with your sales receipt. Failure to provide a receipt or invoice may result in the warranty not being honored.

Note:Warranties on mini split air conditioners only include parts and do not include labor. The licensed HVAC Technician who installs your air conditioner should always provide you with a labor warranty (preferably for a full year to complement the manufacturers' parts warranty).

Specs

Max. Pipe Length (ft.):

65.6'

Product Type:

Indoor Unit

Heating Capacity (BTU):

13600

Cooling Capacity (BTU):

12000

Energy Star Rated:

Yes

Number of Zones:

1

Application:

Cooling

Dehumidification (Pts/Hr):

2.3

Refrigerant Type:

R-410A

Fan Speeds:

6/6/6

Modes:

Cooling

Heating

Fan

Dehumidification

Auto Sleep

Features:

Wifi

Air Circulation (CFM H/M/L):

353/272/191

Indoor dB(A):

39/33/23/19

Liquid Line:

1/4"

Suction Line:

3/8"

Connection Type:

Flare

Indoor Dimensions (H x W x D):

11-1/4" x 34-7/8" x 8-1/4"

Thermostat Range (Cooling/Heating):

64°-86°F/60°-86°F

Warranty:

7 Year (Compressor)/5 Year (Parts)

Mount:

Wall

Voltage:

208/230V

Contact

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Question? Call or text 888-757-4774
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You May Also Need

34 Replacement Parts

Link, MFF62923101
SKU: MFF62923101
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Case Assembly, Indoor, ABQ75140131
SKU: ABQ75140131
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Bearing, Cover, MCK67886605
SKU: MCK67886605
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Cover, MCK68472701
SKU: MCK68472701
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Air Filter, MDJ64984703
SKU: MDJ64984703
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Product Reviews

4.86 out of 7 reviews
86% would recommend this product
4.86
out of 7 Reviews
86% would recommend this product
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5 star
86%
4 star
14%
3 star
0%
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Showing 1-7 of 7 reviews

Once again supplyhouse.com delivers

needed a Replacement for my discontinued LG 12k btu evaporator. Supplyhouse.com was ONLY company out of at least a dozen Even including LG that could help me, got me the compatible Replacement that worked perfectly and got in delivered in 2 days. Every single time I use this company they deliver ontime, without any problems. Very well ran and professional company
jarrett
farmingdale ny
2 years ago
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Great Service

Great phone service and prompt shipping. Would use this company again.
Jack
Athens, TX
2 years ago
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Good product drain hose is short

I have bought many of these and for some reason this unit the drain hose was 6 inches shorter than the ones I bought in the past. Luckily the walls were only 2x4 construction.
Dan
Albany NY
3 years ago
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Works great

Thanks
Buyer
Tn
3 years ago
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Great Product

I have purchased quite a few of these and have not run into any issues. The units are efficient quiet easy to install and are considerably less than other brands.
Anthony C
FL
3 years ago
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Excellent company. Fast shipping great products!

Love this company. They are great!
Jimmy
Nyc
4 years ago
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Good and quick technical response

Unit arrived on time and in good condition. I had a technical question submitted late on Friday and had the answer first thing on Monday...Thanks guys. Great job.
Conde
Texas Gulf Coast
6 years ago
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Product Q&A

3 Questions
3 Questions
ASK A QUESTION

Q: I see this unit says its a direct replacement for the LMN126HVT, I have an LG LMU366HC that came bundled with those indoor units. Will this unit work with the outdoor unit? Do they have the same communication protocols?

Asked by Xaesther 2 years ago

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Verified Author and ReplyVerified Reply- SupplyHouse Staff

Hello, thanks for writing in. Yes, the LSN120HSV5 will work with the LMU366HV in a multi-zone application.

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Q: I need to replace an LSN120HSV4 and I see that LSN120HSV5 is the direct replacement. Is it compatible with the outdoor unit LMU30CHV? I have seen LMU24CHV and LMU36CHV listed as compatible.

Asked by Chris L 3 years ago

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Verified Author and ReplyVerified Reply- SupplyHouse Staff

Hi Chris. Yes, the LSN120HSV5 is compatible with outdoor model LMU30CHV in multi zone applications.

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Q: what is the condensate drain size for this unit

Asked by Diana 8 years ago

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Verified Author and ReplyVerified Reply- Supplyhouse Staff

The model LSN120HSV5 would use a condensate drain line of 5/8"

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