24" Windowless Portable Air Conditioner, 15H Timer & 120°Oscillation, 3-IN-1 Portable AC Unit with Remote, 2-Gal Tank, 3 Modes & 3 Speeds, Ultra-Quiet Ventless Swamp Cooler for Home Office, Milk

Key Specifications

Item Weight
10.14 pounds
Product Dimensions
12 x 11 x 24 inches
Warranty Description
1 year
Batteries required
No
Capacity
2 Gallons
Voltage
110 Volts

Reviewed by 15 people this week!

★★☆☆☆
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FLOWBREEZE
2.3
15 reviews
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24" Windowless Portable Air Conditioner, 15H Timer & 120°Oscillation, 3-IN-1 Portable AC Unit with Remote, 2-Gal Tank, 3 Modes & 3 Speeds, Ultra-Quiet Ventless Swamp Cooler for Home Office, Milk

This is a windowless, evaporative “portable air conditioner” (more precisely, a swamp cooler), designed to cool indoor spaces by evaporating water rather than by traditional refrigerant-based compression. It has a 2-gallon water tank, 3 operating modes, 3 fan speeds, and can oscillate up to 120°, which helps distribute cool air more widely. The 15-hour timer allows scheduled operation, and a remote control offers convenience. Since it's evaporative, it’s most effective in hot, dry climates, and less effective in high-humidity environments.

Free Shipping
2-Year Warranty
30-Day Returns

Key Features

❄️【𝟑 𝐈𝐧 𝟏-𝐀𝐢𝐫 𝐂𝐨𝐨𝐥𝐞𝐫 & 𝐀𝐢𝐫 𝐂𝐨𝐧𝐝𝐢𝐭𝐢𝐨𝐧𝐞𝐫 & 𝐅𝐚𝐧】This evaporative cooler can be used as an Air Conditioner when adding water & ice packs, a Humidifier when adding just water and a Fan when adding nothing. It features with 3 modes (Normal/Nature/Sleep) and 3 wind speeds (Low/Medium/High) to offer a wide range of use for any activity. It can absorb the surrounding hot air and cool it down quickly, creating a comfortable space environment for you.
❄️【𝐈𝐧𝐭𝐞𝐫𝐧𝐚𝐥 𝐓𝐮𝐫𝐛𝐨 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲】 The internal turbo design of this windowless room air conditioner can guide the air flow more effectively, generate stronger wind power, and the noise is relatively small. It can balance the temperature and promote air circulation, which is something that ordinary fans cannot do.
❄️【𝟐-𝐆𝐚𝐥𝐥𝐨𝐧 𝐖𝐚𝐭𝐞𝐫 𝐓𝐚𝐧𝐤】Equipped with a 2-Gallon large-capacity water tank, our portable air conditioning fan is capable of operating up to 10hours without frequently adding water. When the water runs out, the air cooler turns to fan mode automatically.
❄️【𝟏𝟐𝟎° 𝐎𝐬𝐜𝐢𝐥𝐥𝐚𝐭𝐢𝐨𝐧】 The inner blades are designed with auto-swings horizontally by 120° to cool down the area evenly. Moreover, vertical airflow can be adjusted to 20° through its manual shutters for maximum cooling, ensures air is evenly distributed throughout the area, providing a comfortable breeze. It efficiently produces 25.6ft/s of strong airflow, and cools spaces of up to 300 sq.ft within minutes.
❄️【𝟎-𝟏𝟓𝐇 𝐓𝐢𝐦𝐞𝐫】 Set the time from 0-15 hours ad you need, so no worries about leaving the air cooler on when you head out or while you’re sleeping. Operating at only 49dB, the ultra-quiet portable ac ensures a peaceful environment that won't disrupt work, study, or sleep. With the sleep mode status, you can enjoy the beauty of the night in a quiet and worry-free refreshing environment.

This is a windowless, evaporative “portable air conditioner” (more precisely, a swamp cooler), designed to cool indoor spaces by evaporating water rather than by traditional refrigerant-based compression. It has a 2-gallon water tank, 3 operating modes, 3 fan speeds, and can oscillate up to 120°, which helps distribute cool air more widely. The 15-hour timer allows scheduled operation, and a remote control offers convenience. Since it's evaporative, it’s most effective in hot, dry climates, and less effective in high-humidity environments.

Available Colors

Beige White
+ more

Key Considerations

1

Evaporative coolers rely on water evaporation to remove heat; they don’t produce very cold air like a compressor-based AC.

2

Efficiency depends heavily on the humidity of the ambient air: more evaporative cooling works when the air is dry (low relative humidity).

3

The size of the water tank (2 gallons here) determines how long you can run before refilling.

4

The rate at which water evaporates depends on temperature, airflow, and humidity.

5

120° oscillation helps spread the cooled air across a wide area, improving distribution.

6

A 15-hour timer allows you to run the unit for set periods, which helps with energy management.

7

Remote control improves convenience, especially for adjusting settings from a distance.

8

Without the need for a window hose, this type of cooler is more flexible in placement.

1

Because this is an evaporative unit, its cooling effect is strongly tied to how dry the air is. In dry climates, the water evaporates quickly, pulling heat from the air and lowering the temperature significantly. But in humid environments, the air may already be saturated with moisture, so evaporation slows, reducing cooling performance.

These factors represent the most critical aspects that will impact your satisfaction with this product.

Customer Reviews

It really cools
2025-11-25T23:39:02.999Z

It’s better than using a fan. It keeps me cool at night and is perfect fort my bedroom

U
Nancy M.
Portable Gallon Air Conditioner with wheels.
2025-11-25T23:39:24.055Z

This gallon portable air condition works pretty good, wish came with larger ice packs. I purchased additional ice pack so the air condition could blow colder air longer.

U
Desiree Young-Nichols

Frequently Asked Questions

Final Verdict

The device with ASIN B0CZRNPGJK is not a traditional compressor-based portable AC, but a windowless evaporative cooler (swamp cooler), likely from a brand such as Flowbreeze. Its strengths lie in energy efficiency, portability, and broad air distribution (thanks to 120° oscillation). It’s well suited for dry, hot climates, where water evaporation is maximized, giving a noticeable cooling effect.