Can you use a humidifier without a filter?

Humidifiers are great to use in your home but the ongoing maintenance can put people off buying them. So, can you use a humidifier without a filter?

Regularly cleaning your humidifier helps it last longer and also work properly and prevents bacteria and germs from being dispersed into the air.

Humidifiers that include a filter need to have the filter cleaned too. This is something that a lot of people don’t like doing, and so they think about buying a humidifier without a filter.

Can you use a humidifier without a filter?

can you use a humidifier without a filter

If you don’t want to worry about cleaning a filter, then I recommend buying a humidifier without a filter. There are many filterless humidifiers on the market.

Yes, you can use a humidifier without a filter. But there are some things you need to consider before deciding to do this.

Let’s look at the advantages and disadvantages of using a humidifier without a filter.

Advantages of using a humidifier without a filter

By using a humidifier without a filter, you won’t need to clean the filter regularly. This will save you time and hassle. Yes, you will still need to clean your humidifier but you will have one less step in the cleaning process because you won’t need to clean the filter.

A humidifier without a filter has a quiet operation compared with humidifiers that use filters. This is because humidifiers that use filters have an in-built fan and so they are a slightly louder, which could disturb you or your children if the humidifier is for a bedroom.

So if you’re wondering if you can use a humidifier without a filter, yes you can.

Disadvantages of using a humidifier without a filter

Using a humidifier without a filter means that the water that turns into vapor could pass on germs and bacteria, which end up being dispersed in the air. A filter would stop the bacteria and germs from being dispersed.

One way to prevent this issue is by using filtered water, so that you know the water itself is free from germs. However you need to keep regularly cleaning your humidifier because any germs and bacteria inside the unit will still be there regardless of whether the water is purified or not.

When using a humidifier without a filter, you will notice white dust around your room, something which can be annoying. If this is something that would bother you, I’d recommend buying a humidifier with a filter.

When asking if you can use a humidifier without a filter, keep these disadvantages in mind.

Are humidifiers better with or without a filter?

Any humidifier is better than no humidifier. But a humidifier with a filter adds an extra layer of protection for you and your family.

However, if you buy a humidifier with a filter but don’t regularly clean it, then you’re better off using a filterless humidifier.

What happens if you don’t change the humidifier filter?

Not changing or cleaning the humidifier filter will block your humidifier, causing it to potentially overheat. It will also need to work harder, which means more power usage and cost for you.

We recommend thinking through whether you are prepared to properly maintain a humidifier with a filter or whether it would be easier for you to just buy a humidifier without a filter.

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Will a cool mist humidifier work without a filter?

Yes, a cool mist humidifier can work without a filter. The only type of humidifier that cannot be run without a filter is an evaporative humidifier- these require a wick filter.

If you’re going to use a humidifier without a filter, most filterless humidifiers are cool mist. Warm mist humidifiers can breed more bacteria in the water due to the heat, so these humidifiers are better with a filter.

Since cool mist humidifiers don’t use heat, these types of humidifiers are ok to use without filters.

Is it safe to use hard water in a humidifier without a filter?

If you use hard water, it’s best to boil it first before using it in a humidifier without a filter to prevent any potential health problems and also to protect the humidifier. This is because hard water has a high level of mineral content which will turn into white dust that you’ll find around the room when the humidifier has been operating.

Boiling the water first demineralizes it.

One final word

A humidifier is great to use in your home during winter when the air is dry. Choose between a humidifier with a filter or a humidifier without a filter, but do your research first and be prepared for additional work, either cleaning the filter or filtering the water before using it in the humidifier.

Sources: Environmental Protection Agency, “Use and care of home humidifiers“, Feb 1991.