Cool boxes for the boat
Enjoying independence and flexibility – that's what makes life on board so special. With a passive cooler for your boat, fresh food and cool drinks are always available, without the need for a power source. When space is limited or energy supplies are limited, compact, efficient coolers are indispensable. They fit through narrow cabin doors, fit into tight storage spaces, and protect their contents even in direct sunlight on deck.
Cool boxes for the boat - keep everything fresh, cool or frozen
The advantages of passive boat coolers
Discover the numerous advantages in detail
Works without electricity
With our Temperature Elements, the QOOL Box does not need to be actively cooled.
Keeps ice cubes frozen for up to 21 days
The high-tech insulation of the QOOL Box in combination with the Temperature Elements keeps food fresh for up to 10 days.
Reusable & durable
The QOOL Box is maintenance-free and particularly durable. The Temperature Elements can be used as often as you like.
Constant temperature
With our Temperature Elements, the indoor temperature remains constant – in every climate zone in the world.
Consulting & Customer Service
We accompany you from the first question to the perfect purchase – our customer service is always there for you.
Made in Germany
Our premium products are created in our factory in Würzburg – from development to production.
quality warranty
Rely on the QOOL quality warranty – for a cool box that will last you a long time.
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Experience the QOOL boat cooler
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How does our boat cooler work?
Our cooling technology cannot be compared to other coolers. If you combine the QOOL Box with the QOOL Temperature Elements, the temperature inside can be kept constant for many days - without power supply, in any climate zone, all over the world.
The QOOL Box achieves its outstanding thermal insulation performance through vacuum insulation panels that are installed in all sides of the box, in the lid and also in the base.
The QOOL Temperature Elements contain so-called phase change material and can absorb or release energy at a certain temperature.
If you combine the QOOL Box with the QOOL Temperature Elements, the temperature inside can be kept constant for many days.
Why is a special cooler box for the boat essential?
Anyone who spends a lot of time on the water knows that a boat cooler has to perform much more than a conventional camping cooler. While classic models are often designed for use on land or at campsites, boats have very specific cooling and storage requirements. Heat on deck, limited storage space, constant vibrations while underway, and an often limited power supply require robust, well-thought-out solutions.
Especially on sailboats, where every kilowatt-hour counts and space is at a premium, compact, self-contained coolers prove their worth. Direct sunlight on the deck, limited shade, and fluctuating temperatures quickly put a strain on conventional coolers. Only specially designed models offer reliable cooling performance in these conditions.
Which cool box for your boat: The most important selection criteria
Anyone looking for a cooler for their boat should pay particular attention to insulation, energy consumption, size, and weight. Space is often limited on the water, so compact dimensions and low weight are a clear advantage. At the same time, the cooler must be robust enough to withstand saltwater, vibrations, and fluctuating temperatures. High-quality insulation ensures that food and drinks stay cool even in strong sunlight. Depending on the type of boat, energy consumption also plays a significant role – especially if a continuous power supply is not available. All these criteria help in finding the right cooler for short trips or longer voyages.
Cooler Box Boat Test: What you should pay attention to
Test results consistently demonstrate the importance of reliable cooling performance without electricity, ease of use, and high durability on board. While compressor cool boxes offer powerful, active cooling, they require a constant power supply and are often heavier. Passive cool boxes – such as models with innovative insulation – score points for their independence: They operate entirely without electricity, maintaining a stable temperature for many hours or days using cooling elements and robust insulation. This can be a decisive advantage for boats where electricity is limited or energy efficiency is crucial.
QOOL Box
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Andere passivgekühlte Kühlboxen
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![Kompressor Kühlboxen](https://cdn.shopify.com/s/files/1/0906/9684/3548/files/Kompressor_Icon_95b05ad2-3a49-43d3-8c5a-4ae3716fe660.png?v=1747743478"){kind=icon}
KompressorKühlboxen |
ThermoelektrischeKühlboxen |
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|---|---|---|---|---|
| Kühlen ohne Strom | Bis zu 10 Tage |
wenige Stunden |
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| Stabile Temperaturbereiche | -20°C bis -10°C -2°C bis 2°C 2°C bis 8°C |
0°C, nicht stabil |
-18°C bis -6, nicht stabil |
-25°C unter Umgebungstemperatur, nicht stabil |
| Bedienung & Komfort | Einfach, leise, kein Kabel | Einfach, aber geringe Leistung | Stromanschluss & Kühlmittel nötig | Lauter Dauerbetrieb |
| Gewicht | 5,6 - 7,6 kg | 5,5 - 8,7 kg | 14 - 18,6 kg | 22 kg |
| Patentierte Hochleistungsisolierung | ||||
| 10 Jahre Garantie | ||||
| Made in Germany |
Cooler box on a sailboat: Special considerations when sailing
On sailboats, every resource counts, especially electricity and storage space. That's why energy-efficient and compact cool boxes are preferred; they can be stowed flexibly and remain stable even when heeled or in rough seas. High-quality insulation ensures long periods of independence at sea and keeps food reliably cool without draining the onboard battery. A self-sufficient cool box is a valuable companion, especially on longer voyages, as it maintains consistent temperatures for many days – even when no external power source is available.
Frequently asked questions about the QOOL boat cooler
Do you have questions? We have the right answers.
Do you have questions? We have the right answers.
Frequently asked questions about the QOOL cooler
Yes. Good boat coolers are made of saltwater-resistant materials and are particularly durable. They should be floatable, shockproof, and rustproof - qualities that QOOL coolers offer.
In combination with our Temperature Elements, the QOOL cool box enables the precise setting of specific temperature ranges such as the refrigerator range from +2 °C to +8 °C or the freezer range from -20 °C to -10 °C. We can keep these temperature ranges constant for up to 10 days.
Compared to standard ice packs, which are often filled with water, our Temperature Elements offer improved performance. Conventional ice packs give off a temperature of around 0 °C when defrosting, which is already too cold for some applications and foods. However, our Temperature Elements are able to maintain the required temperatures and thus enable longer cooling of up to 10 days without electricity. Depending on the needs and requirements of the cool box, other ice packs can also be used in the box.
The same applies to ice cubes, as they are also made of water and are around 0 °C when thawed. As the QOOL Box was specially designed for use with Temperature Elements, it does not have a drain for meltwater. If ice cubes are used for cooling, we therefore recommend using a bag or similar container to collect the meltwater.
The QOOL box achieves its impressive thermal insulation performance through the use of vacuum insulation panels that are installed on all sides, in the lid and in the base of the box. In combination with the QOOL Temperature Elements, the temperature inside can be kept constant for several days. The box can be opened several times without any problem, as long as the lid is closed in such a way that no air exchange takes place.
Thanks to specially developed PCM recipes, the QOOL Temperature Elements are suitable for various temperature ranges. All ingredients are harmless and suitable for use with food.
- Standard Frozen (-20 °C to -10 °C) | For transporting all frozen foods and perfect for ice cream.
- Standard Cool (-2 °C to +2 °C) | Particularly suitable for sensitive refrigerated goods such as fresh fish and meat.
- Controlled Fresh (+2 °C to +8 °C) | Suitable for storing fruit, vegetables, dairy products, drinks and temperature-sensitive medicines.
Standard Frozen (-20 °C to -10 °C) Please freeze the Temperature Elements in a freezer/chest freezer at a temperature of at least -18 °C for at least 72 hours. Remove the Temperature Elements from the freezer/chest freezer. The inside of the elements should now be solid. The Temperature Elements are immediately ready for use and can be used with the QOOL Box.
Standard Cool (-2 °C to +2 °C) Please freeze the Temperature Elements in a freezer/chest freezer at a temperature of at least -18 °C for at least 12 hours. Remove the Temperature Elements from the freezer/chest freezer. The inside of the elements should now be solid. The Temperature Elements are immediately ready for use and can be used with the QOOL Box.
Controlled Fresh (+2 °C to +8 °C) Please freeze the Temperature Elements in a freezer/chest freezer at a temperature of at least -18 °C for at least 8 hours. Take the Temperature Elements out of the freezer/chest freezer. The inside of the elements should now be solid. The Temperature Elements are immediately ready for use and can be used with the QOOL Box.
- For the QOOL Box M, which can cool for up to 10 days without electricity, we recommend the maximum configuration with 4 temperature elements of the same size (1 liter). Place one element upright on the sides of the handles and place the other two elements on top of the food. The two top elements have the greatest effect, as cold air sinks downwards and flows through all the refrigerated goods. If you are only away for 3-5 days, 2 of the 4 temperature elements are sufficient. These can then be conveniently placed on the side, but should be placed on top of the refrigerated goods for optimal cooling.
- For the QOOL Box L, which can cool for up to 10 days without electricity, a surround system (cooling cube) with 6 temperature elements is recommended. There are 2 different element parts: 2 square elements (for the base and lid) and 4 side elements. Place one of the large elements on the base of the box. Then add the 4 side elements with the straight side facing the respective wall. Finally, simply place the lid on top. Here, too, not all elements are necessary for 3-5 days.
As an alternative to the QOOL Box L, we offer a set of 6 small elements that were originally intended for the QOOL Box M. By correctly placing the temperature elements, you can maximize the cooling performance of the QOOL Box and keep your food optimally fresh, whether you are away for a few days or up to 10 days.
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