Humidifiers and Dehumidifiers Buying Guide
Humidifiers help to add more moisture in dry, arid conditions, thus preventing skin scaling or nasal passage irritation while dehumidifiers help in removing moisture content from excessively humid conditions thereby preventing build-up of mould which can increase allergies.
Types of Humidifiers
- Warm Mist/cool types are normally available as tabletops, need moderate electricity, require refilling often.
- Steam types too needs electricity, tabletop units required refilling often, water in the heated form lowers bacterial and mould build-up.
- Ultrasonic Humidifiers can produce white residue in the room, operates silently and requires cleaning often to prevent the growth of bacteria.
- Evaporative/Wick humidifiers contain filter traps and can regulate by themselves after attaining a certain level of moisture.
Types of Dehumidifiers
- Heat pump dehumidifier: This uses a heat pump and fan to get rid of the excessive moisture.
- Chemical absorbent dehumidifier: They are based on silica gel technology and are suitable for very hot and humid conditions.
- Dehumidifying ventilator: This is suitable for an attic or basement. It works similar to an exhaust fan.
- Humidifiers that can be maintained and handled easily can be chosen. Since maintenance is very crucial to keep the humidifiers free from bacteria and bad air, it is good to have two filters.
- Dehumidifiers should have a built-in hygrometer to measure the humidity levels. It shouldn’t excessively dehydrate the air.
- Dehumidifiers should have a visual indicator to indicate when the water tray is full.
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