To know
How does the cooler work?
Our cooling technology cannot be compared to other cool boxes. If you combine the QOOL Box with the QOOL Temperature Elements, the temperature inside can be kept constant for many days - without a 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 on 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.
Here you can learn more about how the technology of our QOOL products works
test reports
QOOL & Ruuvi set new standard for passive cooler monitoring
QOOL x Ruuvi – Precise temperature monitoring meets power-free cooling technology QOOL and Ruuvi combine their strengths: high-tech coolers meet smart Bluetooth sensors. For reliable, real-time ...
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Roland's review: Perfect temperature control for frozen fish & more!
As an avid QOOL user, I tested the new temperature sensor – and I'm impressed! Perfect control via the app ensures safe cooling, especially when transporting frozen fish.
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Perfect temperature control on the go – my test of the QOOL sensor
As a long-time QOOL user, I tested the new temperature sensor – and I'm convinced: Precise temperature monitoring via app makes cooling while hunting, camping, and traveling even safer and more re...
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