Keilini 
Updated October 2026 · Written by the Keilini Heater Pro UK team
Quick answer
Are ceramic heaters energy efficient? All electric resistance heaters convert electricity to heat equally efficiently. Ceramic heaters help you use less by warming you quickly and cycling with a thermostat.
How ceramic PTC heating works
PTC means positive temperature coefficient: as the ceramic element heats up, its electrical resistance rises and it draws less current. That self-regulating behaviour means it reaches working temperature quickly and doesn't keep getting hotter.
Benefits of ceramic heaters
- Heat in seconds
- Self-limiting element temperature
- Compact and lightweight
- Usually quieter than older fan heaters
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
Downsides to know about
- Heat stops soon after switching off (no thermal mass)
- Best for single rooms rather than large open-plan spaces
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
Are ceramic heaters energy efficient?
All electric resistance heaters convert electricity to heat equally efficiently. Ceramic heaters help you use less by warming you quickly and cycling with a thermostat.
Are ceramic heaters safe?
The self-limiting element is a safety advantage; combine it with tip-over protection and a timer.
Ceramic or oil-filled — which is better?
Ceramic for fast personal warmth; oil-filled for slow, silent, long-running heat.