Q:

What types of dehumidifiers are there?

A:

Quick Answer

Dehumidifiers are available in portable versions, whole house models, commercial units and as desiccant dehumidifiers. The most appropriate option depends on the size and purpose of the space.

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Full Answer

Portable, residential dehumidifiers come in several sizes, ranging from small to large. These units often have an electronic panel that regulates timing and fan speed and displays the humidity. Larger residential models are typically sufficient to dehumidify most basements.

If an entire house needs to be dehumidified, a whole-house dehumidifier can be attached to the current HVAC system. These units connect to the duct work in order to dehumidify the air and redistribute it throughout the house. Portable whole-house units are also available, but they need to be located in a centralized room of the house in order to be effective.

Commercial dehumidifiers come with additional benefits that may also be useful to homeowners. Industrial units are able to operate in low temperatures and protect against the loss of power. A flood-damaged home needs the extra capacity of the commercial model to be able to remove all of the moisture.

Some commercial dehumidifiers utilize silica gel as a desiccant to absorb the moisture from the air instead of removing it by condensation. Desiccant dehumidifiers work well in low-temperature environments, since water is not collected during this process.

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