DUKA One recommended quantity calculator
The total number of of devices in the home is always recommended to be an even number.
A little ventilation is better than no ventilation. How much you need to improve the indoor climate in your home can vary greatly. You may therefore find that you need more or fewer units than what we recommend.
*DUKA One S6B and Pro 25 B are designed specifically for bathrooms, utility rooms and toilets. They are not connected to any other DUKA One units in the house, as they must operate independently according to Danish wet room regulations, but they count towards the total number of units in the home.
What does the result mean?
Our calculator comes up with a recommendation to improve the indoor climate in the selected square metres.
NOTE: There may be cases where fewer or more units than the recommended number may be necessary.
The result is a recommendation from DUKA Ventilation based on an air change calculation of the selected unit.
How many DUKA One units for each room?
DUKA One is a 1-compartment heat recovery ventilator that works best when and in every room where it's possible and makes sense.
Recommended quantity DUKA One - Indicative quantity calculator
Not sure how many DUKA One devices you need in your home?
Our recommended quantity calculator gives you a quick and clear estimate based on the size and use of the room.
This calculator is indicative and is based on typical ventilation needs in Danish homes. It is designed for those who want a qualified recommendation - without having to make a technical and dimensioned calculation.
The benefits of having multiple DUKA One devices installed in your home
When you choose to install multiple DUKA One units in your home, you unlock a number of significant benefits that improve both your indoor climate and energy efficiency. Whether you choose the units with Wi-Fi or without, the DUKA One ensures optimal ventilation and heat recovery that can make a big difference to your daily comfort.
Synchronised ventilation with DUKA One Wi-Fi devices
One of the most unique benefits of the DUKA One Wi-Fi units is the ability to link them together wirelessly so they can work in synchronisation. This means that the units can communicate with each other and switch between sucking dirty air out of the home and drawing fresh air in - all while recovering heat. The Pro process works by changing air direction every 70 seconds, creating continuous and balanced ventilation throughout the home.
By allowing the units to work in opposite directions, you avoid negative pressure or draughts that could otherwise negatively affect comfort. This system makes it possible to achieve a healthy and well-ventilated indoor climate while retaining the heat you already have in the room.
Simple installation and setup with DUKA One
With Wi-Fi devices, it doesn't take many seconds to connect them: WATCH VIDEO HERE, But if you have devices without Wi-Fi, they can also be connected with a signal wire so they still work in sync. As with the Wi-Fi devices, the system will change air direction every 70 seconds, ensuring a continuous exchange of old air with fresh, renewed air.
Improved heat recovery and energy efficiency
Whether you choose Wi-Fi or non-Wi-Fi devices, heat recovery is a key feature of the DUKA One. By recovering heat from the extracted air, you can reduce energy consumption and achieve savings on heating bills compared to natural ventilation. The efficient heat recovery allows you to ventilate your home without losing the heat you already have in your home.
Flexibility and scalability
A system with multiple DUKA One units allows you to customise the ventilation as needed. If you have more rooms or a larger area that requires good ventilation, you can easily scale the system by adding extra units. The flexible setup makes it easy to expand your system if your needs change over time.