This review dives into the KESSER® Portable Air Conditioner, examining its performance, ease of use, and overall value. We explore the setup process, from unpacking to installation, highlighting both the strengths and limitations of the included components. The review delves into the unit's cooling capabilities, assessing its effectiveness in reducing room temperature and humidity, along with its noise levels and operational features. Energy consumption and cost-effectiveness are also key considerations, providing a realistic picture of the long-term expense.Ultimately, this review aims to provide a comprehensive assessment of the KESSER® portable air conditioner, helping readers determine if it’s a suitable cooling solution for their needs. We weigh the pros and cons, considering factors such as cooling power, ease of installation, noise levels, and running costs, to offer a balanced perspective before making a purchase decision. Whether you're battling summer heat or simply seeking enhanced comfort, this review offers insights into the KESSER®'s ability to deliver a cool and comfortable environment.
Pros And Cons
- Doesn't use water evaporation.
- Produces cold air quickly.
- Dissipates heat efficiently with a hose.
- Can be installed through a wall with minimal cost.
- Removes humidity.
- Adjustable airflow (left, right, and up/down).
- Has wheels for mobility.
- Includes window adapters.
- Relatively quiet.
- Includes a remote control with timer and sleep mode functions.
- Exterior unit is described as 'ugly' and takes up space.
- Requires regular cleaning to prevent malfunction.
- Window kit may not fit all window types (mentioned difficulty with sliding windows).
- Condensation water requires manual draining using a separate included hose.
- No built-in holder for the condensation drain hose.
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Unboxing and First Impressions
The KESSER® portable air conditioner arrived well-packaged. Initial impressions were positive; it's compact and sleek, not bulky or visually intrusive like some units. The setup seemed straightforward, though I'll detail the process later. The instructions were clear and easy to follow.
The unit feels sturdy and well-made, not cheap plastic. I liked the design, especially the intuitive control panel. The initial power-on was smooth, and the air quickly started to feel noticeably cooler. I had high hopes for this little device.
Installation and Setup
Installation was surprisingly simple. The exhaust hose easily connected to the rear of the unit. I opted for the wall mounting method, which, despite my initial worries, wasn't too difficult. This avoided the need for window adapters and maintained a cleaner aesthetic.
The included window kit seems suitable for certain window types; however, the versatility is limited. I found a suitable alternative online, eliminating the window kit's need altogether and enhancing the setup’s sleekness.
Performance and Features
The cooling power is impressive for its size. It effectively lowered the temperature in my upstairs bedroom, creating a comfortable sleeping environment. The dehumidification feature is a significant plus, especially in humid climates. It truly made a noticeable difference in the air’s dryness.

Operation is quiet, much quieter than older air conditioners. The control panel offers various settings like fan speed, sleep mode, and temperature adjustment, allowing for customized comfort. The remote control adds extra convenience. The airflow can be directed and the unit is mobile thanks to wheels.

Cost and Energy Efficiency
The KESSER® air conditioner is priced competitively. While the initial cost is reasonable, the daily energy consumption is a factor to consider. My estimation was about €2-€3 per night during peak heat, which is still affordable given the comfort level it provides.

Energy efficiency is decent. The energy class A rating suggests it's designed for minimal energy usage, especially compared to older models. However, actual energy costs may fluctuate according to usage patterns and ambient temperatures.
Overall Conclusion
The KESSER® portable air conditioner exceeded my expectations in terms of cooling performance and ease of use. The quiet operation and versatile features make it a valuable addition to any bedroom, especially those located in hot or humid environments. While the initial cost and running costs need to be factored in, the comfort and convenience it offers make it a worthwhile investment.
I would recommend this product to anyone seeking a reliable and relatively inexpensive solution for cooling smaller rooms. The ease of installation and quiet operation are significant advantages. The optional features, like dehumidification, further enhance its value.