Keilini 
Updated October 2026 · Written by the Keilini Heater Pro UK team
Quick answer
What is the quietest heater for a bedroom? Oil-filled radiators are silent; among fan heaters, look for low decibel ratings. Keilini Heater Pro runs at roughly 36–45dB.
What a bedroom heater needs
- Quiet operation — ideally under 45dB
- Timer so it switches off after you fall asleep
- Tip-over protection
- Cool-touch casing if children or pets are around
- No bright glowing elements
Using a heater safely at night
Warm the room before bed and set the timer rather than running it all night. Keep it at least a metre from bedding and curtains.
Our pick for warming one room
Keilini Heater Pro
Ceramic PTC · warm in ~3s · 36–45dB · tip-over & timer shut-off
£59.98£119.98Save 50%
See packs & prices- Free UK delivery
- 30-day returns
- Secure checkout
Where Keilini Heater Pro fits
Keilini Heater Pro is a compact ceramic PTC fan heater. It starts producing warm air in around 3 seconds, spreads it through a 90° grille, and runs at roughly 36–45dB. A built-in thermostat holds your chosen temperature, a tip-over switch cuts power if it is knocked over, and a timer switches it off after 1–12 hours.
It is designed to warm the room you are in — not to replace central heating for a whole house.
Our pick for warming one room
Keilini Heater Pro
Ceramic PTC · warm in ~3s · 36–45dB · tip-over & timer shut-off
£59.98£119.98Save 50%
Or 3 for £139.97 — £46.66 each.
See packs & prices- Free UK delivery
- 30-day returns
- Secure checkout
Frequently asked questions
What is the quietest heater for a bedroom?
Oil-filled radiators are silent; among fan heaters, look for low decibel ratings. Keilini Heater Pro runs at roughly 36–45dB.
Is it safe to sleep with a heater on?
Use the timer, keep clear space around it and choose one with tip-over and overheat protection.