Intelligent sensor solution for a healthy indoor climate with ÅBN ApS

Simple indoor climate monitor that tells you to open the window when the indoor climate needs it.

Measures CO2, temperature, humidity, noise, light, and TVOC with a quality sensor developed in Denmark.

+ 50,000 people today actively use the CLOUD in their work, school or institution.

These organizations open the window when the CLOUD lights up red. Do you?

SKYEN gives you an overview and helps you open up when the indoor climate needs it.

SKYEN gives you an overview with data on CO2, temperature, humidity, noise, light, and TVOC.

With our platform, you have access to data through dashboards, notifications, Excel, and data integrations.

It's time that indoor climate becomes an integrated part of our daily lives.

See what the CLOUD can do

Mentioned in newspapers throughout Denmark

See where ÅBN has been mentioned in the press

A luminous cloud can save school students' poor indoor climate

Poor indoor climate and heavy air full of CO2 in many of the country's schools harm students' learning and health.

The entrepreneurs

Some of the world's most innovative startups are located in the Capital. We explore what it takes to go from idea to business.

TV2 Cosmopol

A luminous cloud can save school students' poor indoor climate

We can clearly see from the measurements that there is more oxygen and less CO2 in the classes that have participated, says school principal Marco Damgaard.

School monitor

Practical: Copenhagen school opens the window when there is a lack of oxygen

In 2.x at Øster Farimagsgades School there are no expensive ventilation systems. Here a small meter helps make the students co-responsible for the classroom's indoor climate.

Folkeskolen.dk

Small gadget for 1600 kroner can save Vejle Municipality millions: 'It's incredibly simple, but it works'

The daycare center Kernehuset in Bredballe has experienced a noticeable effect from a small piece of electronics that now hangs in all living rooms.

Vejle County Newspaper

Read how we help our customers

Hear what our customers say

Elementary schools

Hear how the elementary school's management, teachers and students welcome the SKY and what effect it has on teaching.

Buy class set

Office

Hear how Jakob Skov (Team leader for kKontaktcenteret and main number in Copenhagen Municipality) has benefited from a better indoor climate with the help of SKYEN

Buy office packages

Politicians

Hear how Araz Khan can benefit from a better indoor climate with the help of SKYEN

Read our policy materials

Energy teams

Hear how Kenneth Bastholm Mortensen can benefit from a better indoor climate with the help of SKYEN

Buy the CLOUD

Cross-municipal solutions

Hear how Tanja (School Head, Raklev School) and Rune (Team Leader, Property Kalundborg Municipality) have benefited from a better indoor climate with the help of SKYEN

Buy the CLOUD

Illustration af en person med meget selvtillid

On a mission to create the best indoor climate

Open is created for workplaces and institutions that take health and well-being seriously, and we are deeply passionate about creating the best conditions for the next generation of Superhumans. With our visionary approach, we strive to take everyone along the whole way to increased health and well-being.

Our goal is clear: To ensure a healthy and pleasant indoor climate where people thrive - every day.

Start today

Indoor climate boxes that make it easy from the start

Improving your indoor climate should be simple. That's why we've created some simple boxes that the teacher or educator can open and activate without the need for technical help.

SKYEN does that for municipalities and companies.

Customer Testimonials

SKYEN has made it easy for us to prioritize the children's well-being. – Kenneth Bastholm Mortensen, coordinator for the energy team in the Children and Youth Administration, Copenhagen Municipality

The CLOUD gives rise to more frequent ventilation and is used actively in everyday life. With the ventilation, we remedy our indoor climate challenges. – Daniel Vest, Planning Team, Sign Language Interpreter

SKYEN has raised awareness of the importance of venting and helped students understand why it is important. – Line Kastorp Kok, science consultant, Vejle Municipality

SKYEN has standardized our ventilation patterns and reduced the risk of infection. – Morten Hovgaard-Sveen, specialist, Mit lægehus Rødovre

THE CLOUD has had a big impact; the employees have become more aware of the air quality and now ventilate more often. – Birgitte Møller Hansen, Halsnæs Municipality

We chose THE CLOUD because it's simple. It does not require major prerequisites and is easy to go to. – Heidi Vestergaard Larsen, Head of Welfare Technology, IT & Education, Esbjerg Municipality