Can I use tap Water in my Humidifier?

Yes and no

One of the most frequently asked questions about humidifiers is whether it is advisable to fill the reservoir with tap water. The answer is a simple yes and no.

Humidifiers are very high maintenance objects, and though there is no conclusive evidence that tap water use in a humidifier poses significant health risks, the minerals found in tap water will cause you to burn through more demineralizing cartridges or filters.

Mineral water

If you're going to use tap water in your humidifier, there are steps you can take to minimize any related problems. Some humidifier models are better than others at reducing mineral disbursement. If using tap water, avoid ultrasonic humidifiers and impeller humidifiers.

Evaporative humidifiers and vaporizers, also known as steam humidifiers, should disperse very little, if any, measurable quantities of minerals into the air. To further reduce this potential, be sure to empty and refill the water reservoir every day.

There are other maintenance issues related to minerals in tap water. Sometimes dispersed minerals will settle on exposed surfaces as a fine white dust. This may pose allergy problems for some users.

Tap water can also speed up the formation of mineral deposits or crusts on your humidifier. Demineralization cartridges, cassettes, and filters can be used, but should be checked frequently and replaced as necessary.

Water alternatives

If you decide against using tap water in your humidifier, there are inexpensive alternatives (by that, we don't mean filling your humidifier reservoir with green tea).

Distilled water is an efficient and easily purchased solution. Though distilled water still contains traces of minerals, the percentage is much lower than in tap water.

Bottled water can also be used in your humidifier, though its among the more expensive alternatives. Nor does water being purchased in a bottle necessarily make it better for humidifier use. Bottled waters advertised as spring, mineral, or artesian are going to have untreated mineral content.

Many families today make use of a water filtration system in their home. This should be effective in removing much of the mineral content in tap water. However, distilled water is going to have a lower mineral content than both tap water and filtered tap water.

Also, some regions feature tap water with a much higher mineral content than elsewhere. If you live in such a region and are concerned about mineral traces, we recommend using distilled water in your humidifier.

Humidifier manufacturers

Owning a quality humidifier will help cut down on mineral disbursement and humidifier maintenance. Keep in mind, however, that no matter what type of humidifier you own, regular cleaning and maintenance are the surest ways to prevent health or respiratory problems.

If you're looking for the best humidifier available, there are several manufacturers to keep in mind. However, humidifier reviews vary widely, so take time to do your research. Quality humidifier manufacturers include:

Holmes

Honeywell

Hunter

Bemis

Aprilaire

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