Aranet4
The perfect companion for indoor environments allowing you to monitor CO2 levels, temperature, relative humidity and atmospheric pressure
Monitoring CO2 is smart
Tired and can’t concentrate?
Ever feel tired and drowsy in a room? Can’t focus and head feels heavy? Your air quality might be to blame. Namely, the CO2 level.
What does Aranet4 measure?High CO2 levels decrease productivity
According to Harvard research, high CO2 levels can decrease your productivity, cognitive abilities and general wellbeing. For example, if the CO2 concentration in the room exceeds 1000 parts per million, your cognitive function decreases by 15%. Worse yet, if CO2 levels reach 1400 ppm, your cognitive abilities drop by a staggering 50%.
Read the researchCO2 level as a proxy for ventilation quality
Monitoring CO2 in public spaces helps to encourage proper ventilation. CO2 is a gas produced when we exhale. So, the higher CO2 in the room, the more you’re breathing air that someone else has already exhaled. Therefore, monitoring CO2 levels provides warnings about the air quality deteriorating.
Homey integration
Read and display data about conditions from Aranet devices via Homey. Within, you can view graphs about environmental changes over time and create flows to take action whenever the situation requires.
Learn moreAranet4 is smarter than others
High accuracy
The non-dispersive infrared sensor (NDIR) inside Aranet4 ensures high precision measurements
Easy to use
Aranet4 is easy for anyone to use – the colour coding warns you when the air quality deteriorates
Choose between
Aranet4 HOME

The ideal choice for a living space to monitor air quality in one particular location at a time
- Standalone device
- Track air quality at home or take it with you wherever you go
- Get notified when you need to improve air quality
- Connect to our free Aranet Home app to view and analyze historical data
- High quality, reliable and easy to use for anyone
Aranet4 PRO

For multiple rooms and locations to constantly monitor the conditions on premises
- Works best with Aranet PRO base station
- Use multiple Aranet4 PRO devices in different locations and connect them to the base station and Aranet Cloud for centralized monitoring
- Integrate Aranet4 PRO monitors in your existing ventilation systems and solutions
- Access our professional tech support