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KoolSiln

12,000 BTU Portable Air Conditioner Cools Up to 550 Sq.Ft, Auto-Evaporation Low Noise Portable AC Unit with Remote Control Fits for Large Room, Office, Garage,Cold White

  • Based on 452 reviews
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This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026

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Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon
Arrives Thursday, Dec 18
Order within 1 hour and 43 minutes
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Color: Off-White


Size: 12000 BTU


Features

  • Faster Cooling Star 2025 Portable AC Up to 550 sq.ft12,000 BTU cooling with an enlarged 77 air outlet, using eco-friendly R32 refrigerant for faster, greener cooling. No more waiting hours to escape the heatcools rooms from 90 to 61F in just a short time (exhaust hose installation is required). Compact and energy-saving, it balances rapid cooling with quiet operation for year-round comfort.
  • What You Need 360 Auto-Evaporation Tech converts 80% excess water into cool air while you sleep. No wet messes. Just set the 8-hour sleep timer and more time enjoying!
  • A Good Night SleepDesigned for light sleepers, our noise-reduction technology keeps sound levels as low as 44dBquieter than a library conversation. Activate Sleep Mode to dim the display, reduce fan noise, and maintain your ideal temperature all night without disruptions.
  • 3 IN 1 Versatile AC UnitEasily switch between cooling, fan, and dehumidifier modes to meet your need and save you the hassle of buying separate appliances.
  • Hassle-Free UsingAdjust settings like temperature, modes, and fan speed via the clear LED display or included remote (23ft range). Also with 360wheels and dual handles enables room-to-room movement. The removable air filter on the back keeps circulating clean air.
  • Tool-Free Setup in 3 StepsInstall this portable air conditioner for rooms in minutes: Attach the exhaust hose, secure the adjustable window bracket, and plug it in. No drilling requiredideal for most vertical windows &horizontal windows (20.47"-50.09")

Brand: KoolSiln


Capacity: 1 Tons


Cooling Power: 12000 British Thermal Units


Special Feature: Sleep Mode


Product Dimensions: 14.2"D x 16.6"W x 26.8"H


BEE Star Rating: 4 Star


Seasonal Energy Efficiency Ratio (SEER): 12


Color: Off-White


Voltage: 115 Volts


Noise Level: 44 Decibels


Product Dimensions: 14.2 x 16.6 x 26.8 inches


Item Weight: 64.9 pounds


Manufacturer: Rnice


Item model number: HAC-901


Form Factor: Portable


Batteries required: No


Capacity: 1 Tons


Voltage: 115 Volts


Noise Level: 44 Decibels


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Dec 18

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • This thing is a beast against heat!
Review Image by LynM. LynM.
The media could not be loaded. To start, as I did not know if they handled the unit properly, keeping it upright. So, I followed the instructions and let the unit sit unboxed for 24 hours b4 running it. I bought this unit because we are in the dog days of summer in the northernmost part of the San Joaquin Valley, up in Cottonwood CA (just south of Redding), in the *true* Northern California -- there's half a state above San Francisco, which should be *Central* California! Ha! I digress...I needed something more to help keep my nearly 81yr old husband and our animals comfortable. When it only gets down to 74°/75° and higher, we cannot cool our homes down. In the 60's, all window open fans sucking in the cool air, we can sleep comfortably. Also, with this heat we have high humidity, aaarrrggghhh a terrible combination. I have had numerous portable air conditioners over the past 31 years, but this unit is -- by FAR -- the best unit we have ever owned! It is absolutely worth its rather high price tag. $569 after tax is a chocker for this senior family, but what price do you place on surviving summer? Evidently, $569 and the resultant electric bill (pulls at 1800). We shall see what it does to our bill...at this point, having suffered the last heatwave a week ago limping with an old portable?? I'll find a way to pay the bill. Hoping it is economical. Today, I do not car one hoot...we are cool as a cucumber and comfortable for really the first time since May! Unboxing and set up was a dream for this 68 yr old lady...lol, although I will admit that getting the unit out of the bottom Styrofoam box portion was comical! Trying to lift up, while stepping on the Styrofoam because it was such a snug fit -- the unit IS 65+ pounds -- took me a moment, but I succeeded! I was laughing at the picture I made. 5'2" deadlifting the unit, balancing on one leg whilst stepping on the side if the bottom box, all the while lifting straight up??? Yep, funny! But I am strong and I managed 🥂🍾 Our upstairs is absolutely sweltering...we have a 1950 sq ft home, so obviously this unit was not built for and is not strong enough to also cool the upstairs, but half our home is downstairs with a fairly open concept, and doing the math (1950/2=975 sq ft), this unit has kept the downstairs really nice and coo, even though rated for only 760 feet!! I don't have a thermometer, but I have the unit set at 72° so it will run cool air at that temp and it is absolutely delightful indoors...zero humidity (it's very humid out now), and I wish I could afford one for our upstairs bedroom! Although, I wouldn't need the 14,000 unit, so less expensive. The box arrived with some minor damage and one area squished from the handcart strap when delivered, but not a mark inside. You should watch the video of installation on YouTube, it really is a snap to set up and so much better that the stupid pictogram instruction manual. The thing they should cover more of is thr installation of the foam tape. That was annoying, but I managed it. Also, though I decided to leave it be for tonight tomorrow in the cool-ish morning, I shall reposition the exhaust duct out the window. It snapped in nicely enough, but one side has a wider portion, that should be turned toward the sliding part of the window as it pushes slightly against the side of the windowsill and ever so slightly twists the holder. I'll swap it tomorrow🤗 And I mean, what? To connect the hose to the unit is just sliding the end into the unit's holder until you hear a snap, locking into place. Same for the other end, venting out the window. This ingenious snap in system is Superior to ANYthing I have ever used! If you've made it to here, you Know I LUV this air conditioner! Just buy it...it will change your life🙏🏻💖🤗☮ This manufacturer actually delivered with this unit! And it is SOOO Quiet! It's easily transported from room to room, if you had the foam set up already, and the functionality? Omgosh, it oscillates, it has a sleep mode and a Turbo mode, three speeds on the fan, plus Auto. It also has a child lock which i won'tneed, but an exceptional idea! It's a great value! Go buy it! Peace, Good Health and Good Air Conditioners to you! ... show more
Reviewed in the United States on July 12, 2025 by LynM. LynM.
    • Great addition to a bedroom.
This works great as an addition to my wife and I’s bedroom. We like to sleep cold, but don’t want to set the house to 68 degrees. With this unit, we can turn the unit down to 61 and sleep comfortably all night, and the room will be very chilly in the morning. Air flow is great. My bedroom is approximately 225 sq/ft. And the airflow gets the whole room cold in about 30 minutes with the doors closed. Noise level is subjective but we don’t find it noisy at all. If you’re the type of person that likes white noise at night, this will be great. We have had this unit for about 4 months now, and it runs every night, and sometimes during the day while my wife is doing makeup. It seems like a very durable product so far. ... show more
Reviewed in the United States on October 7, 2025 by Russell LeBlanc
    • Easy, gets the job done. So happy!
Color: Off-White Size: 12000 BTU
Big fan. I did a lot of research before ordering a portable AC unit - and I’m so glad this one stayed true to its reviews! We have an awkwardly tall window, 56 inches, and this was one of the few which fit that size of window. Beyond the fit, this thing is a BEAST! We used it for a spare bedroom where the AC doesn’t do its best. This thing kept the room cold and comfortable for 5 days in a row. NO LEAKAGE!!!!!!! It is relatively quiet. Easy to set up. Easy to use and understand. My favorite setting is that you can turn the display off at night so there’s no light coming from it. I highly recommend! ... show more
Reviewed in the United States on August 18, 2025 by LiAnn Seale
    • Does the job.
Cooling ability is good, if you run it more consistently you will have to drain it more often. Noise level only really bothered us when first turning on the unit when the compressor starts. Quality seems good it was easy to set up and start cooling.
Reviewed in the United States on September 4, 2025 by mommabrown12
    • Amazing Unit - Super Cool!
This ac unit is powerful, quiet and insanely cold. Definitely a solid purchase. I wish I had 5 more just like it for those hot days! Our other units cannot keep up with this one. I genuinely waited until the end of summer to give this item a review, expecting in a bit of a pessimistic way for it to let me down at some point. I'm so glad to say it surpassed my expectations. We have relocated to a large northern home with no central a/c and this was perfect for the occasional scorching hot summer day. In fact, there were plenty of times it needed to be turned down because it was exceeding expectations. The unit is relatively quiet (as these units go, anyway) and certainly does the job. The remote control is convenient (even if it is just another small device to lose in the couch cushions), the water drain is spot-on with minimal flow and maximum humidification. I can't say for sure where the water went - but we never had a leak and it did not overflow at any point! It will be stored shortly until next season, where I hope it will continue to deliver! ... show more
Reviewed in the United States on August 29, 2025 by ChristineBuysCrazyThings
    • Works great and perfect for small spaces! ❄️🏡
This air conditioner works amazing! It gets very cold fast, and the sound isn’t loud at all. Super easy to assemble and fits perfectly in my small living room. I love how compact it is — definitely a great choice for cooling smaller spaces!
Reviewed in the United States on September 29, 2025 by Lauren Ramos

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