Measure air quality and nitrous oxide in surgeries

Mold risk calculator - When is there mold?

Mold can be harmful to health as it can release dangerous spores that can then be inhaled. Furthermore, mold attacks the building fabric and furnishings and often results in expensive renovations. It is therefore important to avoid mold as much as possible. The air-Q mold risk calculator can be used to calculate the risk of one of the main causes of mold - condensation on the inside of (poorly insulated) exterior walls.

Mold risk calculator

The mold risk calculator determines what relative humidity is reached on the inside wall of the house. If the relative humidity on the inside wall is too high (dew point is then very close to the inside wall temperature), condensation can form and the wall becomes damp. A mold probability is derived from this.

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Information on using the mold risk calculator

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The U-value (heat transfer coefficient) of your house wall can be found in the building documents for your property. For rented apartments, you can ask the landlord for the U-value. The lower the U-value, the better the thermal insulation.

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Example U-values are
- Single windows: 5.9
- Concrete wall (25 cm): 3.3
- Bricks (24-36 cm): 1.5 - 0.8
- Windows to passive house standard: 0.8
- Windows with thermal insulation glazing: 1.3
- External wall made of solid wood: 0.5
- External wall made of aerated concrete: 0.23

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The internal thermal resistance is assumed to be 0.13 m²K/W. If, for example, furniture is placed directly in front of the wall in question, the thermal resistance can increase significantly, leading to an increased risk of mold.

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We are continuing to work on improving the air-Q mold risk calculator and are open to requests and suggestions for improvement.

air-Q with smartphone app and CO2 content display
Keep an eye on the risk of mold with the air-Q and the mold-free index.
Measure the indoor climate and air pollutants with the air-Q.

Mold-free index in the air-Q

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The air-Q mold-free index continuously calculates the current mold risk by taking into account the humidity and temperature values measured by air-Q and calculating an index value. A high index means a low risk of developing mold; a low index means an increased potential risk of mold.

*The mold-free index will be available from mid-2025 and will be activated for all air-Q with firmware 2.0.

Our air-Qs with mold-free index

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air-Q light (AQ-500)

air-Q light - For basic monitoring of offices, schools and homes.

The air-Q light is designed for monitoring classrooms, offices and homes and provides basic information on air quality and stale air. Smartphone app and web functions are all available. Changeable LED themes allow it to be used as a CO₂ alarm.

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air-Q basic (AQ-1000)

air-Q basic - The all-rounder for sophisticated air quality measurement

The air-Q basic (AQ-1000) offers everything you need to comprehensively monitor your home and offices. It alerts you to dangers such as smoke, fires, toxic gases and ensures your health and safety. With free smartphone app and web app. Completely customisable with LED themes and acoustic signals.

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air-Q pro (AQ-2000)

air-Q pro - The professional for ambitious users

The air-Q pro (AQ-2000) offers all the functionality of the smartphone app and web app as well as networking, LED themes and audible signals. With the additional sensors, hazards such as smoke and fires can be avoided and even more toxic gases can be detected. For your safety and health!

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air-Q science (AQ-Science)

air-Q science - For technology fans and scientists

In addition to the smartphone app and web app, air-Q science (AQ-Science) offers additional functions via the air-Q API. This allows access to developer functions. Furthermore, this opens up all possibilities for self-developed smart home applications. An individual, high-quality additional sensor can be selected as an option.

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air-Q radon science (AQ-RADON-SCIENCE)

air-Q radon science - detect radioactive noble gas radon and measure air quality

The air-Q radon science includes our self-developed radon sensor and other essential air quality sensors. As with all air-Qs, the free smartphone app and web app are also included. The air-Q radon science also offers additional functions through the air-Q API. This allows access to developer functions and advanced settings.

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air-Q Air Quality Meter

Monitor air quality, all air components and environmental influences with the air-Q. For your health and performance.