Smart App
    Indoor air quality and comfort level

    Measurements of indoor air quality

    The carbon dioxide concentration and the indoor air quality in interiors are deemed to be the most important indicators that the quality of the indoor air is good enough.

    • Evaluate indoor air quality through CO2- and other measurements

    • CO2 concentration should not exceed 1000 ppm

    Testo offers you numerous measuring devices, which are particularly suitable for measuring these parameters.

    Measuring instruments for indoor air quality and CO2

    Applications

    Indoor air quality and comfort level

    Regular measurements of indoor air quality and comfort at workplaces allow for precise adjustment of the room climate.

    Testo measuring devices help you ensure a comfortable climate in all rooms.

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    Practical guide

    Indoor air quality and Comfort at work

    Download the exclusive practical guide for free now.

    Go to download

    What does indoor air quality mean?

    Monitoring indoor air quality in practice

    What is thermal comfort?

    Reasons for using measurement technology

    Remedial procedures in the event of a complaint

    And much more...

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    testo Smart App

    One app for all measurements

    The testo Smart app guides you quickly and easily through measurements on refrigeration, air conditioning and heating systems.

    New Features:

    PRO measuring programs to increase the efficiency of your applications

    >> Adjustments to the ventilation system

    >> Multi-measuring point measurement

    More Info

    Multifunctional

    Compatible with all Bluetooth-enabled Testo measuring devices.

    Efficient

    Reports can be sent directly via email.

    Fast

    All measured values at a glance.

    Simple

    Intuitive menus

    Clever

    Free to download, free to use (Base App)

    NEW

    PRO Measurement Programs (subscription required)

    Our services

    Contact

    Do you have any questions or would you like a personal consultation?
    We would be more than happy to help you.

    Contact form

    Customer services

    In case of malfunctions, send in your meter with a short description of the error. Please also include your telephone number for any queries. Normally you will receive your meter back within one week.

    More information

    Calibration

    Our subsidiary Testo Industrial Services supports you every day in ensuring quality while always complying with the relevant standards and guidelines. You get all the services you need for this from a single source.

    Find out more