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We’re here to help. Find the information you need amongst the frequently asked questions or feel free to reach out to us.


Several placebo-controlled double-blind studies show a clinical effect.
Patients typically describe their most common improvements as:
> Easier to breathe with less coughing and wheezing in their chest
> Better sleep, less tired and weary
> Fewer symptoms from other allergic diseases such as nasal congestion
> Better concentration and less frustration
> Less fear of asthma attacks

The treatment is prescribed by a paediatrician, allergist, lung doctor or dermatologist. If you have questions about how it works in your region, feel free to contact us at Airsonett, and we will help.

Yes. The treatment does not interact with any other medications.

Yes. Airsonett Air4 is registered as medical equipment of proven quality and does not produce any medical side effects. The safety and efficacy of TLA treatment, as add-on therapy, have been evaluated in more than a thousand patients in both healthcare and clinical studies.

Airsonett Air4 does not supply any substances that can affect the pregnancy, breast-feeding or small children. The clinical evidence using Airsonett Air4 was not focused on women who were pregnant, breast-feeding or small children.


Airsonett Air4 focuses on cleaning the breathing zone from irritating particles and allergens while an air purifier tries to clean the entire room. Technical studies comparing the technologies show up to 100 times less exposure of particles using the unique, patented TLA technology.


Open studies show effect, and there is an ongoing large placebo-controlled double-blind study in England that is studying the effect of the method scientifically.

How do I use Airsonett Air4

Airsonett Air4 creates a distinct clean zone that covers the breathing zone in terms of width and volume. The clean zone does cover sideways movements therefore you do not need to sleep in the exact same position.

More coherent time under Airsonett Air4 means better and faster effect. However, missing one day a week or a few days a month does not seem to decrease the effect significantly.

No. Airsonett Air4 is easy to install and use in your home. The filter should be changed every sixth months, which you can easily do yourself. New filters are automatically delivered in time for changing.

How Airsonett Air4 functions

The 99.5% particle-free air in the breathing zone during sleep significantly reduces the exposure to allergens. This has been shown to reduce inflammation of the airways and skin, therefore relieving symptoms over time.

Airsonett Air4 will have full effect within 5 minutes after it is turned on.

The average consumption is equivalent to a 60W lightbulb.

Please see the instructions for use, how to avoid any air movements in the room that could disturb the function of Airsonett Air4.

Almost no users have reported a draught from using the Airsonett Air4, but if you experience draught you can turn down the cooling. (Please see the instructions for use)

Airsonett Air4 should stand in the same place above your bed. If you move it or move the bed, make sure it is placed over the pillow. Read more about how to position it in the operating instructions.


The filter needs changing every six months . If the filter is not changed, Airsonett Air4 will stop working after 7 months. The procedure to change filters is simple and only takes a few minutes (see Instructions For Use).

Troubleshooting is described in the Instructions For Use.

The cleaning instructions are described in the Instructions For Use.