Customer reviews from lg.com
LG - 1,000 Sq. Ft. 18,000 BTU Smart Window Air Conditioner with 12,000 BTU Heater - White
Average customer rating
4.4 out of 5
4.4
(66 Reviews)
Open Ratings Snapshot
Rating breakdown 66 reviews
5 Stars
50
4 Stars
6
3 Stars
3
2 Stars
3
1 Star
4
88%of customers recommend this product. 
(
23 out of 26
)
Best Buy Privacy Policy
Customer Reviews for LG - 1,000 Sq. Ft. 18,000 BTU Smart Window Air Conditioner with 12,000 BTU Heater - White
Customer Rating
1 out of 5
1
I didn’t like the service with my extended guarant
on July 13, 2023
Posted by: Anonymous
from Florida, West Palm Beach
Verified Purchase:Yes
I bought this item almost four years ago and suddenly stopped to work.
Pros: Quality
Quality
1 out of 5
1
Features
1 out of 5
1
Value
1 out of 5
1
Response from lg.comBy Winie Claire BorjaLG Social Media July 20, 2023
Hello, Maria. Thank you for reaching out to us with this review about your LG LW1821HRSM. We're hate to hear that you're having trouble with your Air conditioner. It would be our pleasure to help you out with your concern. Please feel free to message us on Facebook or Twitter through @LGUSSupport, and we will be happy to assist you. ^Winie
Written by a customer while visiting lg.com
Customer Rating
5 out of 5
5
A lot of cooling/heating power….
on May 18, 2021
Posted by: Baby090899
from Daytona Beach, Florida
Verified Purchase:Yes
[This review was collected as part of a promotion.] I set up this air conditioner in my newly remodeled design room. I wanted a unit with enough power that would cool or heat the entire building easily and I was not disappointed with this LG window unit. It was easy to install and it it puts out a lot of power without the noise. It is a heavy unit so you will need more than one person to help and exterior support brackets but other than that this is a great product just make sure you keep the filter clean. The fact that it’s WiFi enabled made me choose this one in particular. I’m very pleased so far with this air conditioner/heater.I live in Florida so I haven’t tried out the heat part yet but I’m sure it will be just as good as the cold air .
Pros: Performance, Quality, easy to use
I would recommend this to a friend!
Written by a customer while visiting lg.com
Customer Rating
5 out of 5
5
Amazing!
on May 18, 2021
Posted by: Patty86
Verified Purchase:Yes
[This review was collected as part of a promotion.] The LG window unit is completely amazing. It can work through wifi so you can control it from your phone. We love how fast it cools our unclosed porch down. This is a great product. We can't wait to use the heat feature in the winter!
Written by a customer while visiting lg.com
Customer Rating
5 out of 5
5
Best ac/heater
on May 19, 2021
Posted by: Mimi1973
from Texas
Verified Purchase:Yes
[This review was collected as part of a promotion.] I’m so used to the older ACs that I am spoiled with this one. It cools my house like a charm. I love that it is AC and heater in one. I also love that it is a smart one I can control it from my phone. I just love everything about this AC. It was very easy to install and set up. I would recommend this LG AC to anyone
Pros: Features/Settings, Performance, Quality, easy to use
I would recommend this to a friend!
Written by a customer while visiting lg.com
Customer Rating
5 out of 5
5
This thing is crazy
on May 20, 2021
Posted by: Sunny girl 98
from Dallas
Verified Purchase:Yes
[This review was collected as part of a promotion.] To be completely honest i didn’t know a product like this existed!! I have always had issues with window units and i didn’t know they could also have a heating element!!! Works like an absolute charm in my garage apartment
Pros: Style/Design, Performance, Quality, easy to use
I would recommend this to a friend!
Written by a customer while visiting lg.com
Customer Rating
5 out of 5
5
Great Air Conditioner!!
on May 23, 2021
Posted by: wbiggers11
from Mobile, Alabama
Verified Purchase:Yes
[This review was collected as part of a promotion.] I was looking for a air conditioner that also put out heat. That's when I discovered this unit. The installation process is very simple and easy to follow directions. The led control panel makes it easy to read. This unit also has a 2 speed fan, delay on/off timer up to 24 hours. For each, press of the timer button advances the time by 1 hour. There are four mode types for the unit, energy saver, cool, fan, and heat. It all can be controlled by the remote as well. Also on the remote and on the unit face it has an auto swing that controls the vertical louver from left to right. Also the a/c unit is wifi capable to a home network of 2.4 GHZ. Our Den and Living room is just alittle over one thousand square feet and it cools these spaces with ease and within minutes. Living the deep south in the summer time, this unit is needed greatly and believe it or not during the winter we do have a few very cold nights. If your looking for a great A/C unit, this the one for you. My family and I love it!
Pros: Style/Design, Features/Settings, Performance, Quality, easy to use
I would recommend this to a friend!
Written by a customer while visiting lg.com
Customer Rating
5 out of 5
5
Super cool!
on May 28, 2021
Posted by: DCS56
from Buchanan, GA
[This review was collected as part of a promotion.] This window HVAC is the perfect solution for us. We have central heat and air, but as usual with a two story home, the upstairs is hard to regulate. With this unit cooling the three upstairs bedrooms, we hardly need to even run the central unit. Operation is smooth and quiet. Looking forward to enabling WiFi so we can remotely turn it on when returning from vacations.
Pros: ease of use, Performance
I would recommend this to a friend!
Quality
5 out of 5
5
Features
5 out of 5
5
Value
5 out of 5
5
Written by a customer while visiting lg.com
Customer Rating
3 out of 5
3
Complicated - super cold
on June 21, 2021
Posted by: Angela76
from Kingwood Texas
Verified Purchase:Yes
[This review was collected as part of a promotion.] This is a really complicated window unit with all the bells and whistles. I needed help with setup. It is very large and cools my small space so well. It is big and heavy. Once setup though it is great. Really quiet and so cold. bRrrr
I would recommend this to a friend!
Response from lg.comBy ^DLILGE Social MediaJune 21, 2021
Thank you for taking the time to review our product. Your feedback is especially important to us and your concerns will be shared with our marketing and product teams. We work continuously to improve the quality of our products and anticipate market demands that drive customer satisfaction. If you have questions or further concerns, please reach out to our support team via private message on Facebook @LGUSSupport and use #VOC in your first message to our social media support team. Please be sure to provide your contact information, model/serial numbers and date of purchase and we will be happy to assist you. ^Daphane
Written by a customer while visiting lg.com
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