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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, White

  • Based on 48 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Jul 17 – Jul 18
Order within 33 minutes
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Cooling power: 12000.0 British Thermal Units


Features

  • Faster Cooling Star 2026 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
  • Auto Adjust for Perfect ComfortNo need to constantly adjust settings. The AC intelligently maintains your ideal temperature by automatically turning off when its cool enough and restarting when neededkeeping your space comfortable, quiet, and energy-efficient
  • 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"-67.32")

Brand: KoolSiln


Capacity: 74 Pints


Cooling Power: 12000 British Thermal Units


Special Feature: Dehumidifier, Fast Cooling, Remote Controlled, Sleep Mode


Product Dimensions: 14.17"D x 15"W x 24.41"H


Color: White


Voltage: 115 Volts


Noise Level: 45 Decibels


Model Name: HAC9018


Item Weight: 66 Pounds


Cooling Power: 12000 British Thermal Units


Additional Features: Dehumidifier, Fast Cooling, Remote Controlled, Sleep Mode


Color: White


Noise: 45 Decibels


Installation Type: Window


Voltage: 115 Volts


Wattage: 1093 watts


Item Dimensions D x W x H: 14.17"D x 15"W x 24.41"H


Item Weight: 66 Pounds


Controller Type: Remote Control


Brand Name: KoolSiln


Model Name: HAC9018


Model Number: HAC9018


Included Components: Installation Kit


Manufacturer: Rnice


Warranty Description: 1 Year Manufacturer


Annual Energy Consumption: 731 Kilowatt Hours Per Year


Capacity: 74 Pints


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jul 17 – Jul 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.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Set up eady！like it
Shipping was fast and packaging was solid. Setup took only a few minutes. I’ve been using it for a few days now and it cools the room pretty well. The noise is noticeable but not annoying. Overall, it does the job and I’m happy with it.
Reviewed in the United States on March 29, 2026 by petergufg
    • So quiet
When it first turns on, there’s a brief louder sound, but it settles down quickly. After that, it runs steadily and much quieter than my old AC unit in the basement. The temperature stays consistent without constant cycling. Overall, it’s been smooth and reliable.
Reviewed in the United States on March 25, 2026 by Sean Chen
    • Reliable and versatile
I have been trying it for 3 weeks, and it looks reliable, mainly the cooling mode. It works great during the day. The sleep mode is quieter at night. I only tested the dehumidifier function a couple of days, which helps on rainy days. For me, it is good to have one multifunctional device than separate ones. It doesn’t require much maintenance, so far so good. ... show more
Reviewed in the United States on March 23, 2026 by Yifeng Yuan
    • Lives up to my expectations
I spent a long time searching on Amazon for an air conditioner and decided to buy one ahead of summer. After comparing different models, I finally chose this one. When it arrived, I opened the box right away, and everything matched the listing — all the parts and accessories were included and well packed. After using it for a while, I can say it fits my needs very well. The cooling is noticeably strong. Even though the weather hasn’t been extremely hot yet, the air already feels very refreshing. The airflow is powerful without sounding like a vacuum cleaner. It can be a little loud when it first starts up, but that settles down quickly. Overall, I’m very satisfied so far. If it continues to perform this well during peak summer, I’ll probably buy another one for a different room. ... show more
Reviewed in the United States on March 13, 2026 by GC
    • Worth buying
A cost-effective air conditioner that is impeccable in both workmanship and performance.
Reviewed in the United States on January 28, 2026 by Wen
    • Worth looking forward to
I've been using this AC for about two weeks and it's been reliable. Cooling works well and maintenance has been minimal so far. Hopefully it continues performing this way through the rest of summer.
Reviewed in the United States on April 2, 2026 by Angela
    • Good for vocation home
Prepare this for summer. Try it home. Very cool. Last year some rooms of the summer Airbnb is hot. My friend told me to buy one of this. Will bring this portable AC for summer vocation. Enjoy having it.
Reviewed in the United States on April 8, 2026 by Lily Tang
    • Reliable cooling
I didn't expect such a small unit to cool this well, but it does. My 450 sq.ft room goes from warm to comfortable in under 15 minutes. I was worried about electricity costs, since my old AC sent my bill through the roof, but this one has been surprisingly efficient. The combination of compact size, great cooling, and low energy use makes it totally worth the price. ... show more
Reviewed in the United States on January 28, 2026 by Xiuying jin

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