Performance analysis reveals that it reduces energy wastage and saves money. User experience is positive, with customers noticing the difference in heat distribution and energy savings. The original – with patent-pending engineered design: four energy-efficient, axial fans drive your radiator's heat through sealed air conducting funnels into your room where you want and need it. Costs less than a penny to run for an hour and fits virtually any radiator including: Double Convector, Single Convector, Tubular Double, Tubular Single and Cast Iron Style.

A radiator booster is an easy to fit thin piece of aluminium that sits on top of your radiator and diverts the heat into the direction of your room rather than this heating leaving the radiator heading upwards without radiating the room first. Thus, an effective and efficient way of heating any room. Technically, this isn’t a radiator fan, but it does help to save you money on your heating bills by redirecting heat into the room rather than up to the ceiling. It is ideal for radiators below a window cill as it will stop the heat from going behind the curtains. For well under twenty quid, you can’t go wrong with this as an energy-saving device that will save you money. Engineered to be 41cm long to efficiently heat your whole room fast: SmartAir BOOST allows some heat to rise to heat the room from the top down while keeping the warm air it pushes into your room where you want it: around you and your family. Radiator boosters fans work by increasing the efficiency of your radiator by redirecting the warm air into the room. This allows the room to heat up faster, and the central heating boiler turns off sooner. Most radiator booster fans are thermostatically controlled so the fan starts automatically when the radiator is hot.After testing and researching the SmartAir BOOST radiator fan, I can confidently say that it’s a great buy. Easy-read LED digital display: tells you which fan speed you are using, High or Low, then cycles to the percentage battery life remaining and then to the surface temperature of your radiator. It does help save energy by turning the warm air through 90 degrees and so slightly projects it out into the room at radiator top height rather than fill the room with warm air from the ceiling down.

So, do they really work? In one word, yes! Sometimes the simplest of inventions work out to be the most useful. The first evening with the fans running, I had to turn down my radiator, from 6 to 3. Honestly, it was getting incredibly warmer in the room compared to usual. You can heat your room in half the time with this Dutch-designed booster fan by Speed comfort. It is very energy efficient and will allow you to turn down your central heating thermostat by 1 to 2 degrees, saving you 22% on your winter gas consumption. It’s lightweight, portable, and requires no installation. Its cost-effectiveness and cordless power bank add to its longevity and durability. Comparing it with similar products, it’s one of the best in terms of value for money.Rad fans are a great way to improve your radiator’s overall efficiency by improving the air flow of warm air throughout your room. This means your central heating system will turn off sooner, resulting in lower heating costs. The installation process is so straightforward that it takes no time at all. Even those who aren’t tech-savvy can have the fan up and running in a matter of minutes. We’ve run over 30,000 hours of tests and published our findings that have been read over 25 million times. Technical specifications include a 5-volt AC power source and 10 watts of power. Noise level evaluation is good, with some mentioning it but overall satisfied with the product. Use either corded or cordless for complete versatility: you can run directly SmartAir BOOST off mains power or charge the built-in power bank for up to fourteen continuous hours of use.

Use either Manual mode for control or Automatic mode for maximum efficiency: with the flip of a switch, you can choose between Manual and Automatic mode. In Automatic mode when your radiator's surface heats to 33°C SmartAir BOOST will spring into action, redirecting warm air into your room. When your radiator cools down to under 33°C the Boost will turn off so it's never driving cold air into your room. Meet the SmartAir Boost Radiator Fan, a novel addition designed to optimise the circulation of warm cosy air from your radiator throughout the room. The radiator airflow adapter is suitable for any radiator with a top grill. It sits stylishly above the radiator and redirects the airflow, as the name suggests. A simple design that directs hot air to where it needs to be. There’s no fan, no electrics, or anything else involved with this product – so there’s no running cost involved or humming sound from the fan.Easy-read LED digital display: tells you which fan speed you are using, High or Low, then cycles to the percentage battery life remaining and then to the surface temperature of your radiator. Costs less than a penny to run for an hour: SmartAir BOOST is so efficient it costs less than half a penny an hour to run.* Comparatively, SmartAir BOOST is cost-effective and fits on various types of radiators. Ease of Installation SmartAir boost claims to be compact and portable multi-fan heat circulator designed to reduce energy wastage and save you money. This energy efficient system improves the circulation of warm air, heating your living space faster and more efficiently. Use either Manual mode for control or Automatic mode for maximum efficiency: with the flip of a switch you can choose between Manual and Automatic mode. In Automatic mode when your radiator's surface heats to 33°C SmartAir BOOST will spring into action, redirecting warm air into your room. When your radiator cools down to under 33°C the Boost will turn off so it's never driving cold air into your room.

Use either corded or cordless for complete versatility: you can run directly SmartAir BOOST off mains power or charge the built-in power bank for up to fourteen continuous hours of use. It uses just 0.55 kWh in a year at current electric prices, which would be around 19p for a whole year, It is easy to fit it yourself, needs no additional plumbing or wiring – just plug it in, and it’s ready to go! Features intelligent auto-shut off safety system: if your radiator gets too hot and reaches 70°C then SmartAir Boost will turn itself off until your radiator cools to 65°C.Patent-pending engineered design: four energy efficient, axiel fans drive your radiator’s heat through sealed air conducting funnels into your room where you want and need it. In functionality, while in Automatic mode when your radiator’s surface heats to 33°C SmartAir BOOST will spring into action, redirecting warm air into your room. When your radiator cools down to under 33°C the Boost will turn off so it’s never driving cold air into your room. Experience With SmartAir You're in control: choose between high and low fan speeds, charge on the radiator or keep it cordless, go manual or automatic. The choice is yours. It’s an excellent choice for radiators positioned beneath windows, as it will redirect hot air into the room, which otherwise would be lost behind the curtains. You’ve seen those heaters above shop doors right? This works in a similar way – creating a ‘blanket’ of hot air that prevents cooler air making its way into the room from the window.