Why can't I use a dehumidifier in the bathroom?

Author: Noemi Ortiz DVM  |  Last update: Sunday, November 16, 2025

'We don't advise using a dehumidifier in the bathroom because they typically aren't IP rated. But positioning a dehumidifier as close to the bathroom as possible with the door open still can help to reduce moisture quickly in that room,' he assures.

Is it safe to use a dehumidifier in a bathroom?

Using a dehumidifier in the bathroom becomes a smart choice if your humidity level is always high, even when you aren't showering. You can sleep well at night knowing that you won't unintentionally affect other rooms in your home since placing a dehumidifier in your bathroom won't affect other areas.

Where should you not use a dehumidifier?

'For the best results, the dehumidifier should always be placed at least 20 centimetres away from every wall,' says Chloe King, Duux brand manager. 'In addition, we advise to place the device away from drafts from doors, windows, and air vents for optimal efficiency.

Can I use a dehumidifier instead of an exhaust fan in the bathroom?

You can turn a dehumidifier on during your shower or bath and leave it on after your shower like you would a regular ventilation fan. Taking cold showers. This is certainly not a solution for everyone, but if you're in a pinch, or enjoy the refreshing blast of a cold shower, it is a way to avoid excessive moisture.

Where should a bathroom dehumidifier be placed?

You want to place your machine in an area where there is good air circulation so the unit can efficiently work. We do not recommend placing a dehumidifier directly against a wall or piece of furniture. Instead, put it at least six inches away from these vent-blocking surfaces.

Is a dehumidifier worth the money?

How long should you run a dehumidifier in a bathroom?

You should keep it on for several minutes after you get out of your shower in order to eliminate the most amount of bathroom condensation possible. Dehumidifiers are available in a variety of prices as well, so if you happen to be on a budget, there are always affordable dehumidifiers to choose from.

How do I prevent mold in my bathroom?

Ventilate your bathroom.

If you need some extra help to keep the humidity low, try running a dehumidifier. To inhibit mold growth, it's best to keep the humidity levels in your home at no higher than 50 percent, according to the Centers for Disease Control and Prevention (CDC).

How to dehumidify a bathroom without a vent?

6 Steps for Reducing Moisture Without a Bathroom Fan
  1. Open the door/windows. ...
  2. Use a regular fan. ...
  3. Purchase a portable dehumidifier. ...
  4. Change out your towels. ...
  5. Wipe down the shower doors and walls. ...
  6. Use a daily shower cleaner spray.

Does a dehumidifier help with mold?

Mould will easily grow and spread if the right conditions are present. So, dehumidifiers don't kill mould, but they can help to prevent it from growing inside your home by reducing humidity. However, the best way to deal with it is to get rid of its source.

Which plants remove moisture from the air?

The Best Indoor Plants for Condensation Control
  • Peace Lily (Spathiphyllum): ...
  • Boston Fern (Nephrolepis exaltata): ...
  • Snake Plant (Sansevieria): ...
  • Aloe Vera (Aloe barbadensis 'Miller'): ...
  • Spider Plant (Chlorophytum comosum): ...
  • English Ivy (Hedera Helix):

Is it OK to leave dehumidifier on all the time?

Should a Dehumidifier Run Constantly? No, your dehumidifier should not have to run constantly to regulate the air humidity. An optimal humidity level to shoot for is between 30 and 50 percent. Your dehumidifier should reach this in 8 to 12 hours.

What humidity does mold grow in?

Mold needs 55% or higher humidity in order to grow. Also, remember that reducing humidity below 30% isn't a good idea, either. This can cause health problems, making your eyes nose and skin dry, and exasperate lung and skin conditions.

What are the disadvantages of a dehumidifier?

Cons of Dehumidifiers

Dehumidifiers collect water meaning they need to be regularly emptied. They also need to be regularly cleaned otherwise black mould can start to grow on the machine , which can induce a wide range of health problems including allergic reactions, lung problems and irritation.

How do you dry a humid bathroom?

It's essential for all bathrooms to have an extractor fan installed, which is powerful enough to remove damp air from the room and vent it outside your house. Make sure the fan is running and drawing out humid air while you are in your shower and bath. Leave it running for a minimum of 30 minutes post-shower.

How do you get moisture out of a room without a dehumidifier?

How to reduce indoor humidity without a dehumidifier
  1. Improve the ventilation of your home. ...
  2. Turn on the air conditioner. ...
  3. Dry your clothes with a dryer or outdoors. ...
  4. Keep surfaces dry. ...
  5. Use desiccants.

Should I get a dehumidifier for my bathroom?

By controlling humidity and preventing mould and mildew growth, a dehumidifier becomes an essential tool in maintaining a clean and healthy bathroom, ultimately making it a more comfortable and hygienic space for all members of the home.

Should you close the door when using a dehumidifier?

Make sure that the windows and doors are closed while the dehumidifier is operating. If you are operating the dehumidifier in a particularly large space, it should be placed in close proximity to the moisture source to maximise the potential of the unit.

Which is better, an air purifier or a dehumidifier?

An air purifier is your best bet to improve indoor air quality and reduce allergens. A dehumidifier is a clear choice if you're concerned about high humidity levels and potential mold growth. However, if you live in a humid climate or the air in your home feels stifling, a dehumidifier can regulate the humidity level.

How can I dehumidify my bathroom naturally?

Try to take cooler showers when you can, and keep the door open to the bathroom when you can to increase the air circulation. Another effective way to dehumidify your home naturally is by turning on the bathroom's exhaust fan every time you take a shower.

Is a fan or dehumidifier better for bathrooms?

'Fans are more efficient at preventing moisture build-up during and immediately after a shower, whereas dehumidifiers are better at maintaining a lower humidity level over time.

Does DampRid work in the bathroom?

This DampRid product will reduce damp and musty smells as well as prevent mold that grows in moist and humid conditions. The crystals will work better in a smaller closed off area with restricted airflow, like bathrooms, basements, closets, laundry rooms, RVs, etc.

How do I permanently get rid of mold in my bathroom?

Bleach: Bleach is a powerful disinfectant that can kill mold spores. Mix one teaspoon of bleach per cup of water, and apply the solution to the affected area. Let it sit for 10-15 minutes before scrubbing away the mold with a brush. Vinegar: Vinegar is another effective mold killer.

How to stop mold in bedroom in winter?

a dehumidifier, which extracts moisture from the air, can be bought or hired. wipe down surfaces affected by condensation regularly to prevent mould growth. mould can be removed by washing the surface with a disinfectant or a fungicidal wash. This must be used in accordance with the manufacturers' instructions.

What kills bathroom mold the best?

Solution: Bleach

Best For: killing mold on the surface of nonporous surfaces like tiles and sinks. One part bleach to two parts water added to a spray bottle. Spritz the hard surface areas with this solution and let dry. The mold should disappear within minutes.

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