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Humidity
Humidity is when water is present in a structure or substance, regardless of its form (solid, liquid or gas). More generally, humidity refers to the amount of water in the air, i.e. the hygrometric level, also known as hygrometry.What is humidity?
Humidity is an important factor in meteorology. Just like temperature and wind speed, measuring the amount of water vapour in the air is a key parameter in climate studies and weather forecasts.However, when we talk about humidity most people think of humidity problems in the home. Although the presence of water in the air is normal, it shouldn't exceed a certain level indoors to avoid causing damage or health problems. The ideal domestic humidity rate is between 45% and 65%. A higher quantity of water vapour in the air is abnormal, creates a problem in the home and can have serious consequences.
The amount of water vapour the air can hold varies depending on the temperature. The lower the temperature is, the less humidity the air can contain. If the temperature falls, the water vapour can therefore no longer remain in a gaseous state. Saturation is when water condenses in the form of droplets deposited on the coldest surfaces. In the home, condensation usually forms on the least insulated windows, walls and doors.
There are also two separate concepts in humidity: absolute humidity and relative humidity. The first is used to measure the amount of water vapour in the air, while the second takes temperature variations into account and expresses the ratio between the water vapour in the air and the maximum amount possible according to the air temperature. It's therefore expressed as a percentage rather than in g/m3.
How do we measure humidity?
To measure humidity, either in meteorology or in a home, a measuring device called a hygrometer is used. There are several different types of hygrometer, some more sophisticated than others: mechanical hygrometers with a needle indicator, electronic hygrometers equipped with sensors, hygrometers connected to a weather station or the internet, etc.All are designed to measure the humidity level, either outdoors to fine-tune weather forecasts or make adjustments to activities determined by weather conditions (farming, aeronautics, outdoor leisure activities, etc.) or indoors to measure the humidity in each room and identify the causes of excessive humidity in a home. Discover all our products
The consequences of humidity in the home
Excessive humidity can have serious consequences, both on the condition and longevity of a home and on its occupants' health.- The problem of deterioration in a home
- The health consequences of humidity
How do you combat humidity in your home?
Fortunately there are many solutions available to treat excess humidity. First of all, an assessment needs to be carried out to determine the cause of the problem, then tailored solutions can be put in place.- Ventilating the home
- Good sealing
- Devices for treating humidity problems
- Identifying the cause of the problem