KOZ-E Mattress warmer
Cosy warmth without electronics in your bed
Set your ideal temperature for a perfect night’s rest
Gentle, even heat without hot spots
Discover KOZ-E Sleep mattress warmer
With KOZ-E Sleep mattress warmer, you set the temperature that suits you. Drift off easily without cold feet. Stay snug under the covers — safe and comfortable, with no electronics inside your bed.
Even warmth, adjustable by the degree and tuned to your body and ambient temperature.
Sleep warm, Sleep cozy
KOZ-E Sleep
Mattress warmer
-up to 48°C, Timer control
The topper fits any bed, is lightweight, and easy to take to your holiday home, camper, or boat.
Suitable for beds of different widths, with handy side attachments.
It’s washable;
Built-in timer with automatic shut-off after 3 hours or 10 hours
KOZ-E Warm bundle: now € 789,- (was € 1.050,-)
Deluxe XXL Warm Bundle (4 items)
Was 1.050,-
→ now 789,-
Saving € 261,-
Experience it now
✔ 30-day trial
✔ Dutch brand
✔ Free shipping
Adjustable for your ideal sleep temperature
Customer reviews
No more cold in bed.
With KOZ-E mattress warmer you always slip into a warm bed.
Enjoy constant, comfortable warmth—without electric wires in your blanket.
Mattress warmer
Timer setting
Turn off the radiator? No problem!
You’ll sleep nice and warm and wake up refreshed.
30-day trial — risk-free
3 years warranty
Pay in 3 instalments
Free shipping
Mattress Warmer FAQ
A mattress warmer heats the bed itself evenly across the surface, while many electric bed-heating products use wires inside a blanket. KOZ-E uses water circulation—no electronics inside your blanket or mattress—for a comfortable heated bed without hot spots.