the kold. system
simple. effective.
A low-power, ultra-quiet fan and pump system circulates water and harnesses evaporative cooling to lower your sleep environment by up to 8°C.
Powered via USB-C for flexible, plug-and-play use with standard adapters, power banks, or smart home hubs.
Engineered for Cool, Built to Disappear
Slip the cooling pad effortlessly beneath your existing bedsheets.
With a design rooted in minimalist principles, it blends into your bedroom without clutter or a clinical look—just clean lines and cool, invisible comfort.
No subscriptions. No heating. No nonsense.
Just powerful cooling — without the clutter, complexity, or four-figure price tag of our competitors.
kold. does what matters. Nothing more, nothing less.
sleep kold.