Dehumidification

Air dehumidifier

  1. Compressor dehumidifier:

    This is the most common technology. These dehumidifiers operate in a similar way to a refrigerator. The air is drawn in by a fan, then passed through a grid inside the unit, which is cooled by the compressor. The temperature difference between the air drawn in and the compressor creates a thermal shock: water condenses and droplets trickle down into the tank.
  2. The Peltier effect dehumidifier:

    This technology is similar to compressor dehumidifiers. The difference lies in the presence of two plates, one hot and one cold, within the unit. Moist air is drawn in and, after heat exchange, condenses and flows back to the reservoir. This technology is less efficient than compressor dehumidifiers, but more ecological and economical than moisture absorbers, whose chemical composition is controversial.
  3. Both compressor and Peltier technology have their limitations. In order to cool the air drawn in by the appliance, it must be at ambient temperature. At low temperatures, the cooled air risks freezing. Most compressor or Peltier-effect dehumidifiers feature a defrost mode. It is therefore advisable to opt for these devices when room temperature is around 15°, or even higher. Below that, you'll need to turn to desiccant dehumidifiers, which have the advantage of operating at low temperatures.

  4. The desiccant or low-temperature dehumidifier:

    The humid air is passed through a silica wheel, which then discharges the water. The water is then extracted from the wheel by a fan, before flowing directly into the unit's reservoir. This technology is recommended for wine cellars or basements, where room temperatures often reach 0°.
  5. Why dehumidify?

    Once the water has been collected by the dehumidifier, it needs to be drained off. Several solutions are available: 1. The tank. All dehumidifiers are equipped with a condensate collection tank. Tank capacity may vary from one unit to another. 2. Continuous drainage. Using a special hose, water is drained by gravity - from top to bottom. This drainage technique is ideal when you don't have time to empty the tank. 3 The lift pump. Some appliances are equipped with a lift pump. If this is not the case, it is possible to purchase one. The lift pump enables water to be evacuated over a greater distance, and above all, mechanically. Condensate can therefore be discharged from a cellar to the floor above.

    When choosing an air dehumidifier, several criteria need to be taken into account to best meet individual needs. It's essential to determine the humidity level and temperature of the surface to be dehumidified.

    Room size is not always a relevant criterion when choosing a dehumidifier. In fact, a dehumidifier suitable for 60 m² is really effective if, for example, you want to reduce the humidity level from 70% to 55%. But it's less effective if you want to go from 90% to 50%, as this requires greater dehumidification power. It should be noted that the surfaces indicated by manufacturers are always maximum surfaces. Just like the surface area, a dehumidifier with a capacity of 20 liters per day can only be used in a room with a humidity level of 90% and a minimum temperature of 25°C. This is an actual figure, but it varies according to climate and region.

    Remote control dehumidifier - Did you know?

    Some units can be controlled remotely via Wi-Fi. However, only ALBERT from StadlerForm can be programmed to a specific time slot. In this way, you can save energy by setting a specific start and stop time.

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