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Bottom Line

The LG LW8015ER is a top-rated window air conditioner for medium rooms, cooling up to 340 square feet with ease. This unit has a decent array of features, including a 24-hour programmable timer, a three-speed fan, auto restart for power failures and a remote with the same controls as the onboard digital display. The energy-saver mode works well, and a separate dry mode removes extra moisture from the air without adding an icy breeze. Installation is judged to be just a touch harder than with some other models.

ProsCools quickly and efficiently, Dedicated dehumidifier setting, Versatile air flow controlConsNot Energy Star Certified, Basic remote control

Breaking it down

Performance

Quiet and powerful. The LG LW8015ER is a favorite of owners and experts for its powerful performance. ConsumerReports.org, in a free article, identifies the LW8015ER as one of the top performers in its size class for 2016. Performance is rated as Excellent in professional testing, and noise on the low setting as well as ease of use are rated as Very Good. User reviews for the LW8015ER are strong, overall, most of the complaints we see have to do with noisy operation -- a common issue with all window air conditioners. The LG LW8015ER is not Energy Star Certified, but, with an energy efficiency rating (EER) of 11.3, it's pretty close (the requirement for 2016 is 12 EER). Also, Liam McCabe, responding to a comment at TheSweethome.com notes that a modest increase in energy efficiency often results in a noisier unit. If Energy Star Certification is more important to you than relative noise level, we recommend you buy the LG LW8016 (Est. $240) instead. It's new for 2016, has an EER of 12 and is Energy Star Certified, but is otherwise very similar.

Ease of use

Easy use, harder installation. Like all of the models in this line, the LG LW8015ER has a pretty basic set of features -- there's an on/off timer, but no sleep timer, and buttons to set fan speed and temperature. The remote turns the unit off and on, chooses a mode and changes the temperature, but that's it. The washable filter is easy to access after pulling the front cover down. The four-way vent and louver system make it simple to direct air to the spot you want it. While a few decry the lack of bells and whistles, even more seem to appreciate the simple, straightforward functions. Quite a few people agree that installation is a bit harder than with some competing models, including the necessity of adding sill supports to handle this air conditioner's weight, but McCabe says that if you enlist a friend's help it's not a big deal.

Durability

Good feedback. Owner feedback for the LG LW8015ER is pretty positive. Most are pleased with the performance, noise level and build quality, but there is a minority that say their units did not cool sufficiently or otherwise failed shortly after delivery. If things should go wrong, LG's one-year warranty covers parts and labor, sending a service person to your home (or covering the cost of transportation if this is unavailable). This is standard coverage for a window air conditioner, but LG tends to get poor feedback for customer service.

Buy from Amazon

Our Sources

1. ConsumerReports.org

Energy Efficient Window Air Conditioners, Mary H.J. Farrell and editors of ConsumerReports.org, May 2, 2016

In this free article, ConsumerReport.org's Mary H.J. Farrell names the LW8015ER one of the top performing medium-sized air conditioners for 2016. A more in-depth review is also available, but only to subscribers.

2. TheSweetHome.com

The Best Air Conditioner, Liam McCabe, May 19, 2016

The LG LW8016ER is Liam McCabe's top pick in window air conditioners for 2016; it's identical to the LG LW8015ER except that the LW8016ER is Energy Star certified, something that McCabe says isn't really important in the great scheme of things. The LW8015ER was McCabe's runner up last year.

3. HomeDepot.com

LG Electronics Model # LW8015ER 8,000 BTU Window Air Conditioner with Remote, Contributors to HomeDepot.com, As of June 2016

The LG LW8015ER earns an overall rating of 3.9 stars out of 5 in more than 140 reviews; about 77 percent would recommend this window AC. While that seems low, most complaints have to do with noise -- a common issue with most window air conditioning units. Some of these reviews were culled from the LG website.

4. Walmart.com

LG Electronics LW8015ER Energy Efficient 8,000-BTU 115V Window-Mounted Air Conditioner with Remote Control , Contributors to Walmart.com, As of June 2016

Owners at Walmart.com are very pleased with the LG LW8015ER, giving it an overall rating of 4.3 stars out of 5; 85 percent would recommend it to a friend. Most say they are pleased with its performance and say it's relatively quiet. Some of these reviews are unique to Walmart.com, others are imported from the LG website.

5. Amazon.com

LG LW8015ER 8,000 BTU 115V Window-Mounted Air Conditioner with Remote Control , Contributors to Amazon.com, As of June 2016

We spotted nearly 45 reviews of the LW8015ER at Amazon.com. Most owners are pleased, but we also saw some negative feedback; however, complaints are varied. Some say that they are unhappy with the cooling, that the air conditioner can be too loud for a bedroom, or that the unit failed soon after it was received.