The Difference Between a Humidifier and a Dehumidifier

We get a lot of questions here at AIRCARE HQ, and customers frequently ask us to explain the difference between a humidifier and a dehumidifier. While the answer is simple, it is very important to understand the difference and which one you actually need.

Humidifiers do just that – they humidify by adding moisture to the air in your home. This is done in one of several ways, depending upon the type of humidifier you have:

  • Evaporative humidifiers use a wick to absorb water from the unit’s reservoir. As the water evaporates, the humidifier’s fan blows the evaporated water vapor into your air.
  • Ultrasonic humidifiers use a vibrating nebulizer to break the water in the unit’s reservoir into tiny droplets. These droplets are blown into your air by the humidifier’s fan.
  • Steam humidifiers have a heating element that brings the water in the unit’s reservoir to a boil, then it is released into your air.

A healthy indoor humidity level is 40-60%. If your humidity is too low, typically below 40%, you may experience static electric shocks, dry skin and hair, congestion, and nosebleeds. If you are experiencing any of these, the humidity in your home is probably too low. You can purchase a hygrometer, like our 1990 model, to monitor your home’s humidity.

PRO TIP: Many humidifiers come with an adjustable humidistat. This feature allows you to set the humidity level you want. Your humidifier will then power the fan on and off to maintain the level you’ve selected.

What if your humidity is too high? That’s where a dehumidifier comes in. Dehumidifiers remove excess humidity from your home. Excessively high humidity can create problems in your home over time, like mold growth. Dehumidifiers are also good for areas like basements that stay wet.

In short, if you need humidity, add a humidifier. If you need to reduce humidity, use a dehumidifier.

OLDER NEWER
4.28.2021
15

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