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The 2 Best 12000 BTU Window Air Conditioners March, 2020 (And 32 Others)

Our list of the newest 12000 BTU window air conditioners includes only air conditioners that obey to these rules:

  • Being 12000 BTU rated and designed to fit in windows.


The List:

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Alpha
Rank:
#1
Our
Score:
4.2
Confidence
Level:
High
Considering this 12000 BTU window air conditioner's aggregate ranking of 83%, we believe that the Frigidaire FFRE1233S1 is currently Alphachooser's best 12000 BTU window air conditioner 2020. Furthermore, we think that our sample of 1852 reviews from our sources gives us a high confidence level (more on confidence levels) that justifies labelling it a "no-brainer best choice."

Frigidaire FFRE1233S1

  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Anti-bacterial Filter
  • Fits 115-120V Power Outlets
Alpha
Rank:
#2
Our
Score:
4.4
Confidence
Level:
OK
With its 4.5 stars computed from 37 reviews, here is what we consider second best 12000 BTU window air conditioner. * By the way, this list is based on a full analysis of hundreds of 12000 BTU window air conditioner reviews from around the web.

Whirlpool WHAW121BW

  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Fits 115-120V Power Outlets
Second opinion?

Amazon ranks the best air conditioners by shopper's choices... Check today's ranking

More 12000 BTU window air conditioners, sorted by the latest model first:

Frigidaire FFRE123WAE

  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Anti-bacterial Filter
  • Fits 115-120V Power Outlets

Friedrich CCF12A10A

  • Window Mounting Kit
  • Energy Star Compliant
  • Wi-Fi Enabled
  • Alexa-compatible
  • Remote control
  • Fits 115-120V Power Outlets
You Should Also Check Out: Top 10 Best Smart Air Conditioners 2020

Frigidaire FFRE123ZA1

  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Anti-bacterial Filter
  • Fits 115-120V Power Outlets

Frigidaire FFRA1222U1 12000 BTU Window AC

  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Anti-bacterial Filter
  • Fits 115-120V Power Outlets

Frigidaire FFRE1233U1 12000 BTU AC

  • Energy Star Compliant
  • Remote control
  • Anti-bacterial Filter
  • Fits 115-120V Power Outlets

GE AEM12AX 12000 BTU Window AC Unit

  • Energy Star Compliant
  • Remote control
  • Fits 115-120V Power Outlets

Kenmore Elite 77127 12000 BTU Air Conditioner

  • Window Mounting Kit
  • Energy Star Compliant
  • Alexa-compatible
  • Remote control
  • Fits 115-120V Power Outlets

SPT WA-1223S 12000 BTU Window Air Conditioner

  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Fits 115-120V Power Outlets

Emerson EARC12RE1 12000 BTU Window Air Conditioner

  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Fits 115-120V Power Outlets

Frigidaire FGRC1244T1 12000 BTU AC Unit

  • Window Mounting Kit
  • Energy Star Compliant
  • Wi-Fi Enabled
  • Alexa-compatible
  • Remote control
  • Anti-bacterial Filter
  • Fits 115-120V Power Outlets

LG LW1217ERSM

  • Window Mounting Kit
  • Energy Star Compliant
  • Wi-Fi Enabled
  • Alexa-compatible
  • Remote control
  • Fits 115-120V Power Outlets
Most reviewers of the LG LW1216HR window-mounted air conditioner (it has total reviews so far) have nothing but praises for how this fellow performs. Many say that it cools well and that it remains quiet while doing so. With a relatively-high energy efficiency ratio of 11.3, it has been associated with other energy-efficient air conditioners here on AlphaChooser. One reviewer even said that this LG AC cut her summer electric bill in half .

Technology-challenged users will find it nice to know that many reviewers have noted that this 12000 BTU window air conditioner is very easy to operate with its remote control. It works quickly as a heater, with some reviewers reporting reaching ((Q))toasty warm((Q)) levels within a few minutes.

While its ratings aren't perfect, the portion that consists of negative reviews is minuscule compared to the approving majority. Looking at them, it seems like most of the dissatisfaction stems from inefficiencies in shipping that has unfortunately caused damages on a small number of ACs. Only one negative review appeared to have something to do with the product itself (as of now, at least), with the said review expressing dislike that this energy-efficient 12000 BTU window air conditioner didn't come with a standard plug, which should be easily resolved by purchasing an adapter.

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LG LW1216HR

  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • With Built-in Heater
  • Fits 230-240V Power Outlets
The LW1216ER from LG is a 12000 BTU window AC that's gathered praises for being ((Q))surprisingly quiet((Q)) (but with its 52dBA max noise rating, this really isn't surprising for us here at AlphaChooser). Our review crawler has so far gone through reviews for this window-mounted air conditioner and found that it has gotten a combined rating of (rating temporarily unavailable) stars.

While it's generally known that newer air conditioners are much more efficient than their predecessors, this particular LG model takes it to another level with an energy efficiency ratio of 12.1, which is just 0.2 shy of the highest value we've seen across all air conditioners. It's probably due to this highly-competitive energy efficiency aspect that some customers who've bought one unit have chosen to buy more to replace all the air conditioners in their respective homes, seeing that the cost of the LG LW1216ER ((Q))saves more money over the cost to operate an older model((Q)) .

Some people didn't seem to like the fact that this 12000 BTU window energy-efficient air conditioner defaults to the energy saver mode every time it's switched on, but this very same fact was also a pro for other consumers. Also, this AC apparently isn't the easiest to install, mainly due to the product's weight and the diagrams on the manual being a bit too small. As such, solo homeowners should expect needing company when setting up this AC -- or you can go the other route suggested by many buyers and get Amazon's installation services for yourself.

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LG LW1216ER

  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Fits 115-120V Power Outlets
The (rating temporarily unavailable)-star Friedrich CP12G10B is a high-capacity 12000 BTU window air conditioner that's built for large bedrooms and home spaces of up to 550 square feet. It has several siblings listed here at AlphaChooser, one of which has only half its BTU rating, obviously catering to smaller areas.

As far as user reviews go (It currently has reviews under its belt), the CP12G10B is best known for its build quality, with a couple of delighted buyers describing it as sturdy and well-built. Some also praise its clean, modern look, saying that it does not look as clunky as many other 12000-BTU AC units on the market . Another thing that many users liked is its energy efficiency, boasting a desirably-high -- especially coming from an AC unit with its BTU capacity -- Energy Efficiency Ratio of 12.1. Consequently, it only costs 89 dollars annually to operate, whereas several of its rivals cost somewhere around the high 90s. Additionally, it comes with a remote control and a thermostat that, according to one user, is dead on.

While users generally agree that its cooling performance is satisfactory, noise is a different issue. A couple of users who gave it 1-star ratings (Only 15 percent of its total review count were 1-star rants as of this write-up) liken its operational buzz to that of a tractor or a helicopter, while the majority of others say that it's one of the quietest 12000 BTU ACs they've ever come across.

Summing up, according to our shopping algorithm, which examined 9435 reviews for ACs rated at 12000 BTU, concludes with certainty that the Friedrich CP12G10B is not exactly one of the best 12000-BTU air conditioners you will find, at least when it comes to aggregated user review scores.

Friedrich CP12G10B

  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Fits 115-120V Power Outlets

LG LW1215HR

  • Energy Star Compliant
  • Remote control
  • With Built-in Heater
  • Fits 230-240V Power Outlets
The Koldfront WAC12001W appears to have managed being a 12000 BTU window AC that is also reasonably-quiet, seeing the number of times that it has been praised on reviews for this said feat. Many reviewers also seem to have thought of it as a well-engineered model with thoughtful features. Used both in wall- and window-mounted setups, this reportedly handles both its cooling and heating functions adequately. Buyers also appreciate that it already comes with window-mounting equipment.

This 12000 BTU air conditioner has an energy efficiency ratio of 10.9, which is a rather-average spec (if this is an important facet for you, we have a list of the best energy-efficient air conditioners on AlphaChooser that you can check out). However, although the 99-dollar Energy Star annual cost figure affixed to this unit may be slightly-unsettling for those who are conscious about their electricity bills, most consumers have reported feeling that the price they pay to power this unit is within the bounds of what is (Q))reasonable.((Q)) One pleased customer has said that he's used this AC to cool an entire two-bedroom unit, and that it does the job without burning a lot of power .

Most of the complaints we've seen for this air conditioner seem to be about remotes that were either not functioning or whose battery slots didn't close properly. Note, however, that these make up a very small portion of its total customer reviews, and that it doesn't have anything to do with this AC's cooling ability. Also, this is a 220V unit, so expect having to work on wiring to accommodate it.

Koldfront WAC12001W

  • Energy Star Compliant
  • Remote control
The SPT WA-1222S is a window-mounted air conditioner whose high 12000 BTU capacity translates to a cooling coverage of 450-550 square feet. It comes with three fan speeds and typical operating modes, such as Dry, Sleep, and Energy Saver. Speaking of energy-saving, while its appreciably-high (relative to its BTU rating) 11.3 EER (Energy Efficiency Ratio) suggests that it's a rather power-efficient unit, to which some reviewers attest, its 96-dollar annual cost suggests otherwise, since a few other 12000-BTU ACs featured here at AlphaChooser don't even reach the 90-dollar mark.

In any case, users loved this Sunpentown model for its cooling performance alone, with one enthusiastic reviewer saying that it puts out so much cool air that it manages to cool not just the bedroom, but the adjacent living room as well . Another user says that the WA-1222S, which, by the way, has an average user rating of (rating temporarily unavailable) stars, cools an entire railroad-style one-bedroom apartment with easily. Several other reviewers (It had a total of reviews under its belt as we were writing this) who were very pleased reported that it cools amazingly well. With that said, one user cautioned that its operational buzz sounds like rushing air, so installing it on a nearby window from where you usually sit might not be a very good idea -- noise and BTU rating are somewhat positively correlated.

One disgruntled user mentioned that they purchased four units of this 12000 BTU window air conditioner, with three of them failing within just 1-2 years, while another noticed some dark mold buildup near the bottom after only five months of usage, but those comments don't really take anything away from its apparently powerful cooling capability.

So, after sending out our review-crawling algorithm to analyze 9435 reviews for 12000-BTU window AC units from various sources, we can confidently say that the SPT WA-1222S is not exactly one of the best 12000-BTU units available, since the units topping this list boast more positive user reviews.

SPT WA-1222S

  • Window Mounting Kit
  • Energy Star Compliant
  • Remote control
  • Fits 115-120V Power Outlets
A 12000 BTU window air conditioner that promises to cool rooms of around 450-550 square feet, the SPT WA-1211S touts an average star rating of (rating temporarily unavailable) stars. By the way, a version updated with a better air flow, a higher energy efficiency rating (and better reviews at the time of this write up), known as the WA-1222S is also featured here at AlphaChooser.

Probably as a result of its high BTU rating, the WA-1211S is best known for its cooling performance, with one user saying that it puts out some serious cold air, while another one says that it blasts some ice-cold air while being very quiet, which is not something that's usually said of a 12000-BTU unit. Another one of the WA-1211S's satisfied customers even tried to use it to cool a 900-square-feet room with a 15-foot ceiling, which is an extreme stretch, going back to its aforementioned on-paper cooling coverage. Nevertheless, that user was pretty impressed with this window-mounted AC unit's performance .

A few other features that reviewers appreciate include this Sunpentown model's full-function remote control, adjustable vents (a rather typical facet among standard window ACs), and washable filter, the latter coming with an alert system that reminds users when it actually needs some cleaning.

Some negative reviews given to the SPT WA-1211S involve units that broke down after just a couple of months. One user also noticed some rust buildup near the bottom after a couple of years, attributing it to the quality of its metal housing, however, since only 6 percent of its reviews were 1-star ratings as we were writing this, this problem is obviously not a common one. A few other users say that it cools nicely, but is far too loud to deal with -- then again, some happy buyers say otherwise, not to mention that our tolerances for appliance noise varies.

Anyhow, our review-crawling system, which aggregated 9435 reviews for 12000-BTU air conditioners across various sources, concludes that the SPT WA-1211S is a passable choice, but user reviews indicate that it's not among this category's best models.

SPT WA-1211S 12000 BTU

  • Energy Star Compliant
  • Remote control

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