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Do you need help? Please do not hesitate to contact us. Send a message to [email protected]. Help is available in the Dutch and English languages.
If you need help in another language please visit for French and for german.

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Are you sure the email is not there and are now unsure whether your order has been received? Please contact us via [email protected]

Yes. The purchase can be cancelled up to 14 days after receipt. Register a return for this and return everything – if reasonably possible – in its original condition and packaging. You will be refunded the order amount excluding the shipping costs. Return costs are for your account.

Read all about returns here

Shipping costs for orders up to £ 125.00 are £ 6.75.
There are no shipping costs on orders greater than £125.00.


A SpeedComfort moves approximately 30 m³ of air per hour. All the air in a room should preferably circulate once per hour. 1 SpeedComfort is enough for a small (bed) room of about 12 square metres. More will be required for a bigger room.
Calculation example: a living room of 5 m wide, 8 m long and 3 m high has a capacity of 120 m³. In this case you need 4 SpeedComforts: a Trio set with an Extension set, or two Duo sets.
– Bear in mind that an average length of 50 cm is required to put a SpeedComfort in place. This means 3 SpeedComforts will fit on a radiator/convector measuring 1.60 m.
Do you have any more questions? Feel free to contact us via [email protected] for more information

SpeedComforts switch on at a fixed temperature of 33 degrees. They switch off again when the radiator cools down to 25 degrees.

SpeedComforts can be used with most radiators and convectors.

Old cast iron radiators are not suitable for the SpeedComfort. In this case, it is possible to use their feet and place them on the ground, or hang them with tie wraps. It may not be very pretty, but it will work.

Length – 34 cm
Width – 7 cm
Height – 2.3 cm

The noise level of a SpeedComfort is less than 20 dB(A). This is a noise level that is lower than rustling leaves.
Do you think the noise level is still annoying? Please don’t hesitate to contact us.
An adapter with a slightly lower voltage is available. This means the fan rotates slightly slower, which produces less noise.

The fans are extremely economical. A SpeedComfort consumes less than £0.32 on electricity per year based on 1,200 running hours. The adapter is loss-free, which means you do not consume power if the SpeedComfort is not working.

Technical specifications of the SpeedComfort:
Power consumption: 0.55 W
Annual electricity costs: £0.32
Noise level: 20 dB(A)*
Air displacement: 30 m³/hr

We opted for a power supply that does not involve hassle. Although the SpeedComfort requires hardly any power, the time between replacing batteries would be very short. This is expensive, unsustainable and a hassle.

SpeedComfort switches on at a fixed temperature of 33 degrees. It stops again when the radiator reaches 25 degrees.
If the thermostat switch is not installed, the SpeedComforts will be on at all times and will need to switched off at the wall. Many heat pumps can do this remotely. This in turn offers the possibility to also support a cooling programme.


Installing a SpeedComfort is very easy thanks to the magnetic sliders on the top. A small adjustment is all that is required to make them suitable for most radiators or convectors and to install them. Then install the temperature sensor, also with magnets, on the radiator near the hot water supply (usually near the on/off knob). Then put the plug into the wall socket.

For radiators with two or three panels and at least 7 cm between the panels, install the SpeedComforts as they come out of the packaging using the magnetic sliders. The magnets will automatically “click” onto the iron of the radiator.

If the gap between the radiator panels is less than 7 cm, you can hang the SpeedComfort under the radiator. Pull the magnet sliders out of their track, rotate them so the magnet faces upwards and slide them back. The SpeedComfort can now be installed under the radiator.

The magnet sliders can also be turned round for a single panel radiator, but with all four magnets on one side.

Four feet that can be pressed into the special holes can be found at the bottom of the SpeedComfort. These can be used to install the SpeedComfort onto a convector or into a convector pit.

For radiators with two or three panels and at least 7 cm between the panels, install the SpeedComforts as they come out of the packaging using the magnetic sliders. The magnets will automatically “click” onto the iron of the radiator.
The supplied external temperature-sensitive switch is put in place near the hot water supply, also with magnets. The power supply only fits on one side, the same as the thermostat switch. Ensure the SpeedComfort is installed in such a way that this side is closest to an outlet. If you have a Duo or Trio set, use the supplied cable(s) to connect the SpeedComforts.

IMPORTANT: The completely open side is the underside. Make sure the SpeedComfort is not installed upside down. Placing it upside down will result in the flow of the warm air upwards being counteracted instead of reinforced. If there is less than 7 cm space between the panels of a radiator, pull the magnetic slides out of their track, turn them so the magnet face upwards, and slide them back. The magnets can now be slid above the SpeedComfort so they fit between the panels of the narrow radiator. The SpeedComfort will now hang under the radiator.

The magnet sliders can also be turned round for a single panel radiator, but with all four magnets on one side.

Four feet can be pressed into the special holes at the bottom. These can be used to install the SpeedComfort onto a convector or into a convector pit.

You can install the SpeedComfort both on top of the convector block or below.

No, the SpeedComforts can be installed at the top of the radiator. They will work just as well there.

Problem solving

SpeedComforts fit onto most radiators thanks to the smart magnet system. The animation below describes how to install them. If you are struggling, please contact us. We will be happy to help you.

There is a good chance that the water temperature in the installation is very high. If the temperature is 80 degrees or higher (factory setting of the boiler), the natural convection (warm airflow) shall be high. This is nice, but it has several drawbacks:

1. If the thermostat switches the boiler off because the desired water temperature has been reached, this will leave a lot of heat energy in the radiators. This will continue to be introduced into the room, raising the temperature quickly by another 2 to 3 degrees.

2. To counteract this, many people set the thermostat to 18 degrees or so to ensure the “overshoot temperature” is not too high. The disadvantage of this is that the temperature in the room must drop below 18 degrees before the thermostat tells the boiler to start heating again. The temperature in the room does not remain constant, and the heat comfort is poor.

3. If the central heating water arrives to the return feed of the boiler at a temperature greater than 60 degrees, the “high efficiency” is effected negatively.

4. A high temperature in the radiators causes a poor indoor climate, is less efficient, and leads to unnecessarily high heating costs.

Solutions: reduce the flow temperature of the central heating water. Start with 60 degrees, often it is possible to go much lower. Your boiler will then operate much more economically, and your room will stay at a more even temperature, offering greater comfort.

1. The SpeedComfort will only work (automatically) when the radiator is warmer than 33 degrees at the location of the thermostat switch. The SpeedComfort can be tested by plugging the adapter into the SpeedComfort without the thermostat switch being installed. The fans will then start to run. If you want to test the thermostat switch, hold a heated knife against the switch.
2. Are you sure the power outlet the SpeedComforts are connected to is working?
3. Are you sure the plug is plugged in properly and that the plug is fully plugged into the SpeedComfort?
4. Is there a good contact between the thermostat switch and the radiator panel?
5. Is the temperature of the radiator close to the thermostat switch (at least) 33 degrees? If not, bleeding and/or balancing can solve this problem.
For more information, please contact us.

The SpeedComfort and sensor come with a ten-year warranty. The adapter comes with a two- year warranty.


Adjust the temperature of your boiler using the buttons on the display. If you can’t figure it out, please look for an installer in your area.

We chose to have the SpeedComfort put together by a Dutch company that only works with people who are disadvantaged in the labour market. The choice to use SDO Werkt was made

Yes. Quite a lot, in fact. The vast majority of heating installations are not adjusted properly. This means a significant amount of extra energy is consumed than necessary.

Installation engineers usually leave the boiler set to the factory settings. This means the supply temperature to the central heating water can be up to 80 – 85 degrees. A high-efficiency boiler achieves high efficiency if the boiler water returning to the boiler is used to cool the flue gases. The lower the temperature of that water, the more heat from those flue gases remain in the home and are not blown out of the house via the chimney. Using the SpeedComforts means it is possible to set the boiler to a lower temperature without lowering the comfort.

SpeedComforts have an external thermostat switch. Use the magnets to click this into place on or behind your radiator near the hot water supply. When the radiator or convector gets to 33 degrees close to the thermostat switch, the fans will turn on automatically. As a result, the radiator/convector moves heat more quickly from the radiator into the room. The room is brought to the desired temperature in half the time, and the heat is better distributed.
The fans stop when the temperature of the radiator/convector falls below 25 degrees.

A windowsill restricts the warm air flowing through a radiator or convector from rising. The SpeedComforts “force” the airflow along the windowsill.

In this situation, the SpeedComforts shall definitely deliver added value.

Yes. TNO is a Dutch independent research organisation. They carried out a test programme on a type 22 radiator. If you want to receive the (very extensive, English language) report, please send a request to [email protected]. The report has been drawn up in English.
A large validation programme has also been carried out. You can receive this report by sending us an email as well.


All the parts in the SpeedComfort are reusable. And the entire SpeedComfort is expected to last more than 40 years. We try to compensate for the CO2 released during SpeedComfort production as much as possible. In addition, for every SpeedComfort sold, we plant a tree in Port Reitz, Kenya via the Eden Reforestation Project.

We work as much as possible with Dutch companies. This means we can limit the environmental impact. If we cannot find a suitable partner in the Netherlands, we will look around the Euro area. We only consider suppliers outside Europe if our search within Europe is unsuccessful.

SpeedComfort helps save gas. In turn, this helps save CO2. Furthermore, we compensate for the CO2 emissions released during SpeedComfort production by planting a tree for every SpeedComfort sold

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