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17,000 BTU Mega Single Zone Wall-Mount Ductless Split System

19,000 BTU Heat Pump 18.0 SEER 10.97 EER
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Product Information
Brand: LG
Model: LS180HEV1
AC System Type: Mini Split
Component Type: System
Operation: Cooling with Heat Pump
No. of Rooms: 1
Wireless Remote Control(s) Included: Included
Wired Remote Control(s) Included: No
BTU Class: 18,000 BTU
Heating Capacity: 19,000 BTU
Min Connectable Capacity: 3,685 BTU
Max Connectable Capacity: 18,493 BTU
Electrical Data
Power Source V / Hz / Ø: (208/230/60/1)
Rated Amps: 20 Amps
Energy Star Certified: No
EER (Energy Efficiency Rating): 10.97
SEER (Seasonal Energy Efficiency Rating): 18
COP (Coefficient of Performance): 11.95
HSPF (Heat Seasonal Performance Factor): 9
Piping Connections
Power and Communication Cable - No.: 4
Power and Communication Cable - AWG: 18
Refrigeration System
Refrigerant Type: R-410A
Compressor Type: Inverter
Refrigerant Control: EEV
Piping Length (No Additional Refrigerant): 24.6 Ft.
No. of Fan Speeds: 4
Technical Details
ADA Compliant: No
Voltage: 230/208 Volts
Dimensions & Weights
Net Weight: 104 Lbs.
Shipping Weight: 114 Lbs.

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From the Manufacturer

LG Single Zone Mega Standard Inverter Mini-Split Air Conditioner
Mega Wall-Mount Split systems apply duct-free technology in a streamlined, low-profile design. Featuring an easier installation procedure and Inverter compressor technology, these systems are designed to save you time and money. Inverter variable-speed split systems are measurably quieter and consume less energy than conventional air conditioners. The Inverter compressor ramps up or down to match the required room capacity and maintain the comfort level. When the selected temperature is reached, the Inverter compressor operates at low speed to maintain that comfort level, thereby using less energy.

Welcome To LG
LG Electronics USA Commercial Air Conditioning business is a leading player in the global air conditioning market, manufacturing both commercial and residential air conditioners and providing total sustainability and building management solutions. From consumer units to commercial air conditioning systems, LG provides a wide range of innovative products for heating, ventilating and air conditioning.

How To Choose A Room Air Conditioner
Compared to large capacity central units, room air conditioners have several advantages. The initial cost of a room air conditioning unit is significantly lower than the cost of central air. Because room air conditioners are designed for cooling small spaces, operating costs are reduced. And, room air conditioners can provide personalized temperature and humidity controls that central systems cannot.

Calculating Cooling Capacity
Cooling capacity is the critical factor in properly selecting a room air conditioner. Cooling capacity is measured in British Thermal Units (BTUs) and typical models will range in capacity from 5,000 BTUs to 28,500 BTUs.

Choosing an undersized unit will overwork the unit and it will not cool properly. Choosing an over-sized unit will cost more to buy and operate and it will not dehumidify properly.

We can help you to calculate capacity. Be prepared to provide specific information on:
  • Room Dimensions
  • A simple floor plan to show the location of doors and north-facing windows
  • The number of people it will serve
  • Sources of heat such as lamps, TV and appliances
  • An explanation of what's above the intended room
  • Your insulation provisions
Cooling Capacity by Room Size
Measure the length and width of the area to be cooled. Multiply the length by the width to determine square footage or square meters. Locate the room size in the chart below to select the appropriate BTUs. Then use the product information to select the unit for your room. When cooling rooms with uninsulated ceilings, great rooms, or southern or western sun exposures - step up to the next BTU size.
Room SizeBTU
Sq. Ft.Sq. m
15014 up to 5,000
16515 5,200
Air Conditioner Tips
Air flow - Keep air filters clean. Do not block air flow areas.

Roomside view - J-models feature concealed power cord storage, this eliminates excessive cord exposure when receptacle is located close to unit.

Wall Opening For RAB46/47/48 Cases
A finished opening of 26 1/8" x 15 3/4", clear of intrusions, is required. Keep clearance of 4" from side walls. Brick veneer or frame walls should have wood studding surrounding case to provide firm anchoring with screws. Case can be fastened directly to brick or block walls with screws sunk in lead expansion shields. NOTE: units should be caulked on all four sides of case to the building exterior to assure building integrity.
  • Specifications
  • Features
  • Reviews
  • Warranty Info


System Model
System Model:  
Indoor Model:  
Outdoor Model:  
Capacity - Cooling:  
17,000 BTU
Capacity - Heating:  
19,000 BTU
Air Circulation (H/M/L):  
512/441/353 CFM
Fan Speeds:  
3.39 Pts/Hr
Indoor dB(A):  
42/40/35 dB(A)
Outdoor dB(A):  
51 dB(A)
Rated Voltage Outdoor:  
Rated Voltage Indoor:  
Rated Amps - Cooling:  
9.08 Amps
Rated Amps - Heating:  
9.68 Amps
Power Input - Cooling:  
1.55 kW
Power Input - Heating:  
1.59 kW
Min. Circuit Ampacity (MCA):  
Max. Overcurrent Protection (MOP):  
Liquid Line (in, OD):  
Vapor Line (in, OD):  
Additional Refrigerant:  
0.33 Oz./Ft.
Max. Pipe Length:  
65.6 Ft.
Piping Length (No Additional Refrigerant):  
24.6 Ft.
Max. Elevation:  
32.8 Ft.
Operating Range
Cooling - Outdoor (°F DB):  
14° - 118°F
Heating - Outdoor (°F DB):  
14° - 65°F
Cooling - Indoor (°F DB):  
53° - 75°F
Heating - Indoor (°F DB):  
60° - 86°F
Unit Data
Refrigerant Type:  
Refrigerant Control:  
Refrigerant Charge:  
2.34 Lbs.
Indoor Dimensions and Weights
Overall Width:  
40 9/16"
Overall Depth:  
9 13/16"
Overall Height:  
12 13/16"
Net Weight:  
28.0 Lbs.
Shipping Weight:  
33.0 Lbs.
Outdoor Dimensions and Weights
Overall Width:  
30 5/16"
Overall Depth:  
11 5/16"
Overall Height:  
21 1/2"
Net Weight:  
76.0 Lbs.
Shipping Weight:  
81.0 Lbs.


Single Zone Mega Wall Mounted
  • Single zone systems are equipped with inverter controls that offer superior load matching and work for optimizing power consumption.
Ultra Quiet Operation
  • Even at full load both indoor and outdoor units have a low operating sound level to promote a quiet, comfortable environment.
Comfort Control at Its Best
  • LG single zone systems continuously measures the room temperature and adjust system operations accordingly to deliver precise space temperature control.
Inverter Driven
  • Featuring the latest inverter technology, this system to vary the compressor motor shaft speed to maximize compressor efficiency and reduce power consumption.
Simplified Installation
  • Cooling and heating applications that use single zone systems simplify and reduce the mechanical and control system design time.
Fin Design with GoldFin Coating
  • Standard from the factory, every single zone outdoor unit coil fin surface is coated with LG's exclusive GoldFin anti-corrosive coating designed to prevent natural surface corrosion of the aluminum fins.
Other Features
  • 24-Hour On/Off Timer
  • Auto Changeover, Auto Restart
  • Condensate Sensor Connection
  • Jet Cool/Jet Heat
  • Self-Cleaning Indoor Coil
  • Sleep Mode

LG LS180HEV1 Reviews

Warranty Info

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 at least a full year to compliment the manufacturers' parts warranty).

AJ Madison will only finalize a Mini Split (Ductless Split System) purchase with an authorized HVAC Technician. AJ Madison recommends the installation of a mini-split system to be performed by a trained and 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 the unit will heat and/or cool. For assistance with all your technical needs please contact our technical department at

Should you experience an issue during the installation or the initial startup of a unit please do not contact the manufacturer. You should have the technician that installed your system contact either AJ Madison or the manufacturer. We cannot accept any service or warranty calls from anyone but a licensed HVAC technician. We have a full technical support team available to help you throughout the installation process.

AJ Madison, Inc. cannot be held liable for improper installation and operation of any product purchased from our company. Should a warranty issue arise in which parts will need to be replaced, an installation receipt will be required along with your AJ Madison sales receipt. Failure to provide a receipt or invoice may result in the warranty not being honored.