Bestseller
Are you looking for ultimate freedom for your outdoor adventures? With QOOL passive coolers, you are completely independent of power grids, gas cylinders, or solar panels for up to 10 days. Whether for van life, on a boat, or on your next camping trip – our high-end coolers keep your food and drinks constantly at the desired temperature thanks to technological excellence "Made in Germany". Discover QOOL – the cooler that sets new standards.
Our coolers enable reliable temperature control without electricity – for up to 10 days. Whether fresh, chilled, or frozen: In combination with the appropriate Temperature Elements, they maintain a constant temperature, even under extreme conditions.
Filters
✓ requires no power supply
✓ Keeps the temperature constant for up to 10 days
✓ 10-year quality guarantee
✓ reusable & made in Germany
Quickly Choose the Right QOOL Cooler
Selecting your QOOL Box is a three-step process. This ensures that the box perfectly suits your needs.
Step 1: Choose your size (M or L)
Choose between the compact QOOL Box M (27 liters capacity, ideal for weekend trips) and the spacious QOOL Box L (43 liters capacity, perfect for families or longer expeditions). Both sizes offer the ideal ratio of storage space to insulation performance.
QOOL Box M
29 × 22 × 26
QOOL Box L
33 × 33 × 28
29 × 22 × 26
33 × 33 × 28
Step 2: Choose your temperature range (Frozen / Cool)
The secret of the QOOL Box lies in its temperature elements. Choose the range you will use most frequently:
Frozen
-20°C to -10°C
Freezer for frozen food
Pre-cooling temperature: below -18°C in the freezer
Pre-cooling time: at least 72 hours
Cool
-2°C to +2°C
Refrigerator for food or drinks
Pre-cooling temperature: below -18°C in the freezer
Pre-cooling time: at least 12 hours
Step 3: Set, Solo or Ready2Go?
Solo: Just the box (ideal if you already have accessories).
Set: The box including the matching Temperature Elements.
Ready2Go: Box, Temperature Elements and Bluetooth thermometer in one set, for optimal temperature control.
- Accessories: Choose your suitable accessories
Why is the Qool cooler the ideal choice? Advantages at a glance
While conventional cooler boxes often give up after just a few hours, the QOOL Box really gets to work. Passive cooler boxes offer many advantages: they don't require electricity, are lighter, and don't need delicate electronics. However, they often lack cooling duration, especially in hot ambient temperatures. But not with the QOOL cooler box. Thanks to an ingenious system, it is a reliable companion – even on multi-day outdoor adventures.
High-tech insulation with vacuum insulation panels
We use a technology otherwise only used in space travel or medical technology: vacuum insulation panels (VIPs). These enclose the entire interior and almost completely prevent heat exchange. The result is an insulation performance that is ten times better than conventional foam insulation. As a basis for outstanding cooling performance, we rely on vacuum insulation panels on all sides. Since a vacuum does not transport heat, it exceeds the insulation performance of conventional insulation materials by 10 times.
No energy is lost at the lid either. This is ensured by our QOOL Air Seal, which firmly seals the lid and body together. You don't have to worry about difficult handling: we have provided the corners of the body with grips, which allow you to open the lid in no time at all.
After proper pre-cooling of our cooling elements, our cool box maintains constant temperatures for up to 10 days. This means that long excursions – even in permanently hot climates – are no longer a challenge. This is another reason why the QOOL Box is the best passive cool box for travelers and adventurers. See more, experience more, relax more – no matter where you are, with it in your luggage you can cater for yourself during your holiday. As a travel companion, it has already proven itself in many regions worldwide. And all without electricity.
Temperature Elements with PCM instead of ice/cold pack
Forget melting ice and diluted food. Our Temperature Elements use Phase Change Material (PCM). These special storage devices can absorb and release energy at a precisely defined temperature. Once charged in the freezer, they keep your box precisely cool for days. Passive cool boxes are usually cooled with batteries or ice. But the QOOL Box is anything but ordinary. Temperature Elements are used here, which are filled with so-called Phase Change Material (PCM).
This liquid stores cold energy over a long period and can release it again almost without loss. PCM is composed of harmless paraffins and salts. All ingredients are harmless and suitable for use with food. Depending on the formulation, different temperature ranges can be maintained.
Robust, maintenance-free, 10-year quality guarantee
A QOOL Box is an investment for life. It is so robustly constructed that it can easily be used as a seat. Since it has no moving parts or compressors, it is absolutely maintenance-free. We trust so much in our quality that we give a 10-year guarantee on the insulation performance.
Camping cooler – lightweight and robust
The integrated high-performance insulation not only offers excellent thermal insulation but is also very lightweight. Together with the automatically retracting handles, handling becomes child's play. Despite its light body, the QOOL cooler can be loaded with 70 kg and withstands loads of up to 150 kg.
As far as robustness is concerned, the cooler without electricity has the edge. After all, we completely dispense with sensitive electronics and instead rely on maintenance-free and durable components. This also applies to the Temperature Elements, as the excellent cooling performance of the Phase Change Material is not lost. Our special Shock Absorber Technology provides additional protection. This protects the box and its contents from damage in the event of falls and impacts.
Cooler Types Compared
Before you make a decision, it's worth taking a look at the different technologies on the market:
QOOL Box
|
Andere passivgekühlte Kühlboxen
|
![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 |
|
|---|---|---|---|---|
| Kühlen ohne Strom | Bis zu 10 Tage |
wenige Stunden |
||
| 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 |
Passive Cooler (without electricity)
The classic – but QOOL redefines it. Independent, silent, and maintenance-free. Thanks to VIP technology, the QOOL Box is the only passive box that can compete with electrical systems in terms of endurance.
Compressor Cooler (with electricity, possibly freezing)
As powerful as a refrigerator, but dependent on a 12V/230V power source or expensive power stations. Also often heavy and disruptive in a camper due to motor noise.
Thermoelectric Cooler (12V, short-term use)
Inexpensive to buy, but with low cooling performance (often only 15-20 degrees below ambient temperature) and high power consumption. Only suitable for short car journeys.
Absorption Cooler (Gas/230V, campsite)
Flexible due to gas operation, but very sensitive to inclines and with high energy consumption and moderate cooling performance in hot regions.
Eco+ vs. Original
Sustainability is firmly embedded in our DNA. That's why you have a choice:
Material, Sustainability, Same Performance
The Original line is our proven classic. The eco+ line goes a step further: Here, the body is made from recycled material that has been processed using a special method. The best part: you don't have to make any compromises. The thermal performance of the eco+ boxes is identical to that of the Original series.
Cooler Accessories That Really Help
Maximize your cooler's potential with our add-ons:
Purchase additional Temperature Elements
Want to stay flexible? Get a second set of Temperature Elements for a different temperature range (e.g., Frozen for a fishing trip and Cool for a family vacation).
Bluetooth Thermometer
Always keep an eye on the internal temperature without having to open the cooler. The app warns you before it gets too warm inside – perfect for sensitive foods or medications.
Outdoor Extras (Seat Cushion, Cutting Board)
Turn your QOOL Box into a multi-tool. Our perfectly fitting seat cushion transforms the cooler into a comfortable bench, while the integrated cutting board makes meal preparation at camp easier.
FAQ for Coolers Without Power
Under optimal conditions (box full, pre-cooled goods, suitable temperature elements), the box maintains a stable temperature for up to 10 days – without a single watt of electricity.
It is recommended to store the box in a cool place before use. However, the most important thing is the fully "charged" (frozen) temperature elements.
Yes, the QOOL Box also insulates regular ice excellently. However, you only benefit from precise temperature control with the QOOL Temperature Elements (e.g., no freezer burn on delicate salad).
The box is extremely robust and seals very tightly. Thanks to the high-quality seals, the cold stays in and moisture stays out.
The "best" cooler is the one that perfectly suits your lifestyle: If you're looking for maximum freedom without electricity, noise, or maintenance, the QOOL Box, with its high-tech vacuum insulation, is the benchmark. It offers you up to 10 days of reliable professional-level cooling and makes you completely independent of any infrastructure.
That depends on your crew and the duration of your trip: For solo adventurers or couples on a weekend trip, 25 to 30 liters (like our Box M) are ideal. Families or off-road enthusiasts who want to be self-sufficient for a week should opt for 40 to 50 liters (our Box L) – remember: due to physical principles, a full box stays cold longer than a half-empty one.
While electric cool boxes drain your car battery and eventually need to be switched off, a passive QOOL Box doesn't "run" at all – it simply insulates. So you can use it for an unlimited period of time, with cooling performance lasting up to 10 days at a time depending on the model and environment, before the Temperature Elements need to be "recharged."
Electric coolers are practical if you have permanent access to electricity (e.g., at a campsite) and want unlimited cooling. However, if you are looking for true freedom, absolute silence, and maintenance-free operation, a high-end passive cooler is a better choice, as you won't have to worry about dead batteries or noisy compressor sounds in your van.
In the field of passive cooling, boxes with Vacuum Insulation Panels (VIPs) are unmatched. While conventional plastic or polystyrene boxes often give up after just 24 hours, the QOOL Box, thanks to its advanced technology and special Temperature Elements, breaks the 10-day mark – making it the leader in passive cooling systems.
