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3.9 | 15 Reviews

7,500 BTU Smart Wi-Fi Enabled Window Air Conditioner, Cooling & Heating

LG
Model: LW8021HRSM

 
Cooling & Heating

LG window air conditioners provide powerful cooling and heating. Stay comfortable all year long, with our advanced technology.


Control Your Cool from Anywhere

Control key air conditioner features from your phone or favorite smart speaker with the ThinQ app.


Quiet Operation

LG window air conditioners operate at sound levels as low as 50dB (when in low mode) eliminating unnecessary noise for smooth operation that you'll barely notice.


Maximum Usability

Operate with LED display and simple selection control panel, up/down temperature adjustments, and fan speed selection, using the full-featured remote without leaving your bed, workspace, or couch.


Made to Perfection

LG window air conditioners add powerful performance and stable durability to perfectly match your window frame.


Installation Kit

This window unit comes with our simple and convenient installation kit so you can set up your air conditioner with ease.


Filter Check Reminder

The Clean Filter LED lights up to notify you that the filter needs to be cleaned.


Slide-out Washable Filter

Maintenance is easy: simply remove the filter and wash it.

Features

  • Cooling: 7,500 BTU
  • Heating: 3,850 BTU
  • Estimated Cooling Area: 320 Sq. Ft.
  • LG ThinQ® Technology
  • Multiple Cooling/Heating Speeds
  • Easy to Use Electronic Controls
Summary
Type Window Air Conditioner
Air Type Cooling/Heating
BTU 7,500
PERFORMANCE
BTU performance (Cooling) 7,500
BTU Performance (Heating) 3,850
EER 11.2
CEER 11.0
Dehumid. (Pts/Hr) 2.1
Dry Air Flow (CFM) 205
dBA Level (High/Mid/Low/Sleep) 52/50
Est. Cooling Area (SQ.FT) 320
Room Size 16' x 20'
Fits Windows 22'-36' W x 14" H
ELECTRICAL RATINGS
Voltage / 60 Hz 115
Plug Type 115Volt/15Amp
Watts (Cooling) 670
Watts (Heating) 1,260
Rated Amps (Cooling) 6.3
Rated Amps (Heating) 11.0
FEATURES
Wi-Fi Connection Yes
Thermostat Control Thermistor
Air Diflection 4-Way
Remote Controller Yes
Auto Restart Yes
Energy Saver Function Yes
Timer 24 Hr, On/Off
Filter Alarm Function Yes
Fan Speed: Cooling (Heating) 2 (2)
Fan Only 2
In Door Fan Type Blower
Type Air Discharge Side by side
Outdoor Vent / Exhaust Yes
Chassis Type Slide In-Out
DIMENSIONS/WEIGHTS
Product Height 13.88
Product Width 18.44
Product Depth 20.88
Product Weight (lbs.) 66
Shipping Height 17.81
Shipping Width 22.31
Shipping Depth 22.56
Shipping Weight (lbs.) 73.7
Stuffing Quantity (20ft/40ft/40ft High) 200/400/419
Pallet Qty 8
TL QTY w/Pallets 240
TL QTY Floor Loaded 604
COMPONENTS
Cord Length 72''
LIMITED WARRANTY
Parts & Labor 1 Year
UPC CODES
UPC 048231605076

Quick Specs


  • Appearance

  • Type: Air Conditioner
  • Style: Window/wall Air Conditioner

  • Dimensions

  • Width: 18.44"
  • Height: 13.88"
  • Depth: 20.88"

  • Features

  • Energy Star Rated: No

  • Cooling Capacity

  • Cooling Power: 7500 BTUs

  • Heating Capacity

  • Heating Power: 3850 BTUs

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

3.9 out of 5

66% of reviewers recommend this product.

1 Stars

WIFI STOPPED WORKING AFTER A YEAR

TRH2000 1/25/2023

I bought the LW1221HRSM the LW8021HRSM in July of 2021. They were purchased because they had WiFi and I could turn them on remotely when the temperatures were below freezing. They would sometimes lose their connection but I was always able to reconnect them. In November 2022 they lost WiFi before a severe cold front making them basically useless. They will not connect because the network connection is unstable. LG has admitted that they are having issues with the LGEwhisen network but they dont have any solutions. I am furious that I wasted money buying these and they only served their purpose for just over a year. I have several other LG products and have always been satisfied but these are making me rethink any LG product
Originally posted on lg.com

No, I do not recommend this product

Features

 

Quality

 

Value

 
1 Stars

Ac compressor will not turn off

Tysons dad 12/31/2022

The ac blow ice cold and the heater doesnt blow hot after inspection I noticed the ac compressor is not turning off when the heat is on and its staying on even after you turn the unit off. Only way to get the ac compressor to turn off is to cut off the power to it by either unplugging it or tripping the button on the plug. LW8021HRSM This is my model number. The unit is clean and not stopped up.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

5 Stars

Perfect climate

Window AC and heat unit 11/29/2022

I bought this product for a small efficiency rental unit. It is working perfectly and my tenant could not be happier. It is also energy efficient and cost saving.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
3 Stars

Pstultz 11/11/2022

I havent been able to test the ac part. But the heat part doesnt seem to put out as it should to be a 3850btu heater.
Originally posted on lg.com

No, I do not recommend this product

Features

 

Quality

 

Value

 
4 Stars

Quiet and keeps a consistent temperature

Heidi F 10/14/2022

I bought this a couple of weeks ago. The only problem was I didnt have the side curtains with it but customer service was able to make sure I got them. Other than being VERY heavy I am very happy with my purchase.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

Very Cold

Wizayne 10/9/2022

This window unit blows very cold air and is easy to install as everything but a support stand is included.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

Great heating and cooling

TBird68 10/5/2022

I just bought the third unit like this from LG. All have been great. An excellent value and a compact size. The first one that I bought lasted about 6 - 7 years until debris punctured the coolant line. Was still running fine prior to incident. I decided to go ahead and replace. I did not hesitate to buy the same model. I had that one in my art studio which is 300 sf with a 10 foot ceiling. No matter how hot or cold it got I was comfortable.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

Lifesaver

ATRD 9/8/2022

A few weeks ago my HVAC unit went down hard. With supply side issues being what they are it was difficult to find the motherboard and motor to get it back up again. This occurred this past August when daily temperatures where I live in Florida were averaging 95F every day. I went out and bought this window AC unit for my bedroom and it literally and figuratively saved me from heat exhaustion. It took 8 days for my AC service to find the parts so the purchase of the unit was money well spent. As a plus factor I can subsequently use it with my home generator during the next inevitable hurricane hit in my area
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

So cooool

Mandy M 8/21/2022

This works great for our small space. It keeps it at the temp its set at. We have not had to use the heat yet.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
3 Stars

Difficult to install

LG8021HRSM 7/3/2022

My husband installed the unit but he had to uninstall the guts of the unit just to get to the two clips for the right and left curtains. Maybe they could have been installed at the factory It was also very difficult to get the correct department to get help with setting up the Wifi.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
1 Stars

Very poor performance

Mikeds03 5/17/2022

I bought this unit from lowes to help my main ac in my little rv and its horrible for blowing any volume of heat or air. It should be over kill like some of the other units I own but its way under par .
Originally posted on lg.com

No, I do not recommend this product

Features

 

Quality

 

Value

 
5 Stars

Best Little AC/HEATER Unit ever

Babylon5fan 5/12/2022

My wife found this unit on Amazon and bought it because it is a very reasonable in price. We bought two actually. Today they are in our newly built garage office spaces. They work great Ive already recommended it to two people.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

Cooling off in Sunshine

Bigbug 1021 4/22/2022

We purchased this unit last month and grateful for the review we had read about this unit. The unit has out performed what we expected and would purchase another unit if the need arises. Happy Camper with this brand of air conditioner
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

Year round function

IAmKEspinosa 3/1/2022

Bought this for my make shift home officeaka my converted shed and love that I can use this year round while its still cold out the heater is great and when it gets hot the A/C is nice and cold. Was hoping it would be a little quieter but its still quieter than the older LG window unit I had before. Love that I can use it with the ThinQ app too so I can set it to pre-cool or pre-heat before I head in there. Overall very satisfied
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

Works great

misplaced65 2/2/2022

I bought this item to use in a storage building. It is operating great.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 

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