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Improves Heating Efficiency: Boosts convective airflow from standard radiators to increase effective heat output and eliminate cold spots for more even room comfort.
Faster Warm-Up Time: Accelerates warm air circulation so rooms reach target temperature up to twice as fast compared to passive convection alone.
Energy-Saving Operation: Helps reduce boiler demand and thermostat settings, cutting heating costs by up to 30% while maintaining comfort.
Automatic Sensor Control: Built-in temperature sensor starts the fan at 26–32 °C (adjustable) and stops below 23 °C for hassle-free, efficient operation.
Low Power Consumption: Uses just 1.65–3.3 W, delivering high efficiency with minimal energy draw.
Whisper-Quiet Performance: <20 dBA noise level makes it suitable for bedrooms, living areas, offices, and other occupied spaces.
Quick Magnetic Installation: Tool-free fitting with integrated magnets allows rapid setup under most steel radiators.
Universal Radiator Compatibility: Fits single, double, and column radiators; adjustable mounting options support a wide range of styles.
Expandable System Design: Compatible with Radboost Extension accessories to increase coverage on wider radiators or higher heat loads.
The Radboost Radiator Booster Fan is an energy-saving radiator fan system designed to increase heat output, speed up room warm-up times, and improve overall heating efficiency. By enhancing warm air circulation, this radiator heat booster helps standard radiators perform like high-efficiency models — providing more comfort while using less energy.
Suitable for domestic, commercial, and retrofit heating applications, the Radboost Single Pack is a simple upgrade that helps reduce energy bills without replacing existing radiators. The fan unit mounts magnetically to most steel radiators — including single, double, and column types — and installs in minutes with no tools or plumbing required.
When the radiator reaches operating temperature, the integrated sensor activates the fans automatically. Warm air is drawn through the radiator fins and projected evenly into the room, eliminating cold spots and helping spaces reach temperature up to twice as fast.
By improving radiator performance, users can lower boiler output and thermostat settings, reducing energy consumption by up to 30% while maintaining a comfortable indoor climate. The fan operates quietly, making it suitable for living rooms, offices, classrooms, healthcare settings, and other occupied spaces.
Each Single Pack includes one Radboost PRO-5 fan module, a digital thermostat controller, temperature sensor, and UK mains power adapter. For larger radiators or higher heating demand, optional Radboost Extension accessories can be added to increase the effective fan coverage.
Purchase the Radboost Radiator Booster Fan Single Pack with confidence from National Heater Shops — the heating specialists. We supply trusted brands, expert advice, and fast UK delivery to help you improve efficiency, save energy, and get the best performance from your heating system.
See More Like This: Energy Efficiency & Radiators
Model: Radboost PRO-5 (VS-RBP5-S)
Pack Type: Single Unit
Rated Voltage: 220–240v~ (5v DC output)
Rated Frequency: 50–60Hz
Power Consumption (W): 1.65–3.3
Operating Temperature Range: Start 26–32 °C (adjustable) / Stop 23 °C (default)
Noise Level: < 20 dBA
Recommended Radiator Width: 600–1000 mm
Control Type: Digital thermostat with adjustable auto start/stop
Temperature Sensor: External probe (automatic activation)
Power Input: USB-C with UK mains adapter (included)
Mounting: Magnetic attachment for single, double, and column radiators
Installation: Tool-free magnetic fitting, indoor use only
Material / Finish: White ABS housing
The Radboost Radiator Booster Fan Single Pack includes everything required for quick installation and operation:
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Whether you need a long-term, short-term, or temporary climate solution, sometimes it can help if you can break the costs down, especially if the situation is unexpected or an emergency.
To help our customers and make climate control and air quality equipment more accessible, we've worked with PayPal to provide a way to spread the cost with PayPal Pay in 3. You can use Pay in 3 for eligible shopping cart amounts between £30.00 to £2,000.00. Terms apply.
