The Heat is On: Introducing the All-New RadiatorBooster® ULTRA
Why we built the ultimate energy-saving companion for your home (and why it’s worth the wait). If you’ve been watching energy prices rise and looking at your radiators wondering if...
RadiatorBooster® sits on your radiator and moves warm air around your room more efficiently, meaning you save money on heating bills.
Website CustomerI noticed an increase in temperature straight away.
Amazon CustomerRadiatorBooster significantly reduced our heating bills over the winter period.
Amazon CustomerIt couldn't have been easier to set up and it has definitely made our room feel warmer.
eBay CustomerGreat little product. Well worth the money for the savings.
Turn your radiator into a rapid heating system. The Radiator Booster Ultra is a premium, cordless fan system that sits discreetly on top of your radiator. It traps the heat that usually drifts uselessly to the ceiling and projects it forward into your room, warming you 2X faster and slashing energy bills by up to 20%.
🧲 Secure Magnetic Fit: Unlike cheaper models that balance precariously, the Ultra features integrated heat-resistant magnets that lock the unit firmly onto your radiator, ensuring stability even at full fan speed.
🔋 Class-Leading Battery Life: Powered by a massive 5200mAh Lithium Battery, enjoy 8–20 hours of cordless heat (vs. standard 6-hour models). Move it from your home office by day to your living room by night without ever looking for a plug.
🌡️ Intelligent Thermostat: Switch to Automatic Mode, and the device will sleep until your radiator reaches 33°C (91°F), instantly activating to circulate warmth exactly when you need it.
🤫 Whisper-Quiet Technology: Engineered with three brushless motors that operate at under 38dB, it boosts warmth without boosting noise—perfect for bedrooms and light sleepers.
2X Faster Warm-Up: Directs airflow horizontally into the room, raising the ambient temperature in half the time of a standard radiator.
Universal Charging: Features a modern USB-C port (cable included). The unit can run continuously while plugged in or go completely wireless.
Customizable Comfort: Choose from 3 fan speeds or use the built-in timer (2–12 hours) to automate your heating schedule.
Dimensions: 41cm x 11cm x 8.5cm
Weight: 0.69kg
Airflow: 102 CFM
Battery: 5200mAh (8–20 hours runtime)
Mounting: Gravity + Integrated Magnets
Auto-On Trigger: 33°C
Standard UK delivery: 2-3 days
If you're not completely satisfied with your RadiatorBooster®, you can return it to us within 30 days for a full refund. Please note your RadiatorBooster® must be in sellable condition.
For any product faults or issues, please contact us via our contact form.












RadiatorBooster has been heating homes more quickly for over a decade, with thousands of units sold around the world.
#radiatorboosteer




1. Unbox
Your RadiatorBooster® will arrive, including a 2-meter power cable with a USB connection.
2. Place on radiator
Sit RadiatorBooster® on top of your radiator
3. Start saving
As soon as you switch it on, your RadiatorBooster® will make you feel warmer more quickly, and save you money.




Order your RadiatorBooster® today and start feeling warmer and saving money on bills immediately.
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