Dehumidifier is a device which reduces or remove water contains in air. Depending on applications & working principle of dehumidifier, it is divided in different types of dehumidifiers. Based on its applications it divided broadly as Portable dehumidifier, Industrial or commercial Dehumidifier, Indoor swimming pool dehumidifier. Based on working principle dehumidifiers divided mainly into refrigerant and desiccant type dehumidifiers. Every type of units has its pros and cons, which we are going to explore in this article.
As mentioned above based on applications, types of dehumidifiers are as follow:
Portable Dehumidifier: This is basically dehumidifiers for home and offices. Capacity of this dehumidifier is from 1o to 30 liter/day. It is mainly use in home or offices to reduce humidity to avoid mould, bad smell, for asthma patient and to dry laundry. Aesthetic look and controlling features are more important for these dehumidifier than performance. Filter offered in these unit are of high quality and control panel provided with functions like timer, fan speed etc.
Industrial or Commercial Dehumidifier: As name suggested these dehumidifiers are use in industrial process applications. Rating of these dehumidifier if from 30 to 1200 liter/day. These dehumidifier can be of portable type (with wheels) for fixed type (wall mount, ceiling mount or floor mount). Industrial dehum has bulky, strong mental body and it provided with strong wheels if it is portable. Control panel provided with basic functions. Filter provided I these unit is of basic type. only humidistat provided on control panel to set required humidity.
Indoor Swimming Pool Dehumidifiers: This dehum use in swimming pool, spa and Jacuzzi indoor areas since all these areas has water bodies (heated water) which has high humidity due to fast water evaporation. Generally Ceiling mount, roof mount or wall mount dehumidifier are preferred. Wall mount units has limitation on capacity hence it use for small home swimming pool. Roof mount dehumidifier can be use for large Olympic size pool. while ceiling mount dehumidifier can be use for all type of pools and gives faster result than other two.
Types of Dehumidifier based on its working principle.
Based on working principle Dehumidifiers are broadly of following two types:
Refrigerant type Dehumidifier: It is also called as condense drying dehumidifier or mechanical dehumidifier or condensation type dehumidifier. It uses refrigeration cycle to remove humidity from air. It consists of evaporator and condenser coil. Fan draw humid air to evaporator where air cooled below dew point and condensation of moisture happens. condensate water collected in tank. then dry air pass through condenser coil where it heated and return to room to pick up humidity. This type of equipment is more economical in terms of initial cost and operation cost. Refrigerant type units are more economical when dehumidification has be done at high temperature and high humidity level. It consumes less power than desiccant type unit.
Desiccant type Dehumidifiers: This types of units are economical than condensation type when dehumidification has be done at low temperature and low humidity level. It consumes more power than refrigerant type unit. Initial and working cost of this type dehumidifier is higher than refrigerant type unit. This type unit consists of rotating desiccant wheel. Humid air drawn to rotating desiccant wheel with help of process fan where humidity in air absorbed by desiccant wheel and heated dry air release in room. Due to absorb humidity desiccant wheel becomes wet and to dry wheel heated reactivation air passes through desiccant wheel and wet air release outside room with help of reactivation fan.
CtrlTech offers all kind of dehumidifier in Dubai, UAE, Oman and Qatar.
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