Where to put a dehumidifier in a bathroom?

Author: Dr. Jerome Bauch  |  Last update: Wednesday, June 10, 2026

In the bathroom, you would want the dehumidifier closer to the shower area, where there is lots of mist coming out of the shower. A portable dehumidifier like the Morris 20L Silent dehumidifier can be placed on a countertop next to your hot water sink.

Where not to put a dehumidifier?

Keep Your Dehumidifier Away from the Walls

It's easy to assume the best place to put your dehumidifier is against the wall. But it's not! Dehumidifiers suck in and expel air using vents. Blocking any of these vents can reduce your dehumidifier's effectiveness.

Where is the best position for a dehumidifier?

Firstly, it's worth noting that the most effective place to position a dehumidifier is in the centre of a room. This allows the air to circulate properly around the unit. The only time when this positioning can be disregarded is if the unit has a top-mounted air discharge.

How long should you run a dehumidifier in the 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.

Will a dehumidifier stop condensation in the bathroom?

Use a dehumidifier

This is an appliance that will extract the moisture from the air and collect it as water. Using it during or after your shower or bath will greatly reduce the amount of condensation in the room.

How to use a dehumidifier and where best to put it around the house | Meaco

Where is the best place to put a dehumidifier in the bathroom?

In the bathroom, you would want the dehumidifier closer to the shower area, where there is lots of mist coming out of the shower. A portable dehumidifier like the Morris 20L Silent dehumidifier can be placed on a countertop next to your hot water sink.

Is it a good idea to put a dehumidifier in a bathroom?

A dehumidifier or exhaust fan can help keep moisture out of your wet, moist bathroom, helping to prevent structural damage caused by mold, mildew, and water. Both devices can make your bathroom fresher, cleaner, and more convenient and comfortable for showering or bathing.

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

"This is not practical as plugs and sockets need to be three metres from a bath, shower or wash basin," he explains, "furthermore, domestic dehumidifiers do not have the correct IP rating for use in a wet area." Struggling to find ways of tackling mositure build up or stale air in other rooms too?

When should you not use a dehumidifier?

Dehumidifiers are not very effective in extremely low temperatures. This is because dehumidifier coils attract water vapor, and if the temperatures drop too low — below 42 degrees Fahrenheit for example — the vapor would freeze, damaging your machine.

What size dehumidifier do I need for a bathroom?

Small portable dehumidifiers are inexpensive, quiet, and effective for areas that measure 400 square feet or less. A small-capacity unit is generally capable of removing 30 or fewer pints of moisture from the air per day. This is more than enough for a bathroom, small home office, or a large pantry.

Does dehumidifier location matter?

It's best to place it somewhere central in the house, being sure to think about where your sources of moisture are. Moisture problems like damp and mould are typically likely to arise in the bathroom, where showers and baths create lots of steam. And so, it is best to position your dehumidifier on the landing.

Where to put moisture absorber in bathroom?

When thinking where to place the moisture absorber, we shouldn't forget about its purpose. Therefore, it should be put near the place that is affected by moisture. It can be placed by the sink or the shower unit, as this is where the water condenses the fastest.

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.

Should a dehumidifier be up high or on the floor?

The water is drained by gravity alone so for effective continuous drainage the dehumidifier needs to be raised a foot or two above the floor and the hose run to a floor level drain.

How long does a dehumidifier take to dry a room?

How Long Does It Take for a Dehumidifier to Dry Out a Room? The size of the room, the humidity level, and the extent of the water damage are some of the variables that affect how long a dehumidifier takes to dry out a room. A dehumidifier typically needs between 24 and 72 hours to completely dry out a room.

Do dehumidifiers use a lot of electricity?

The bigger the dehumidifier (and the higher the wattage), the more watts it'll generally use. Large ones can use up to 500 watts, while the smaller models usually only use about 22 watts. All of these factors can also impact your dehumidifier's energy use.

How do you know if your room needs a dehumidifier?

6 Telltale Signs You Need a Dehumidifier
  • Window and door condensation. Take a look at your glass windows—do they look like mirrors? ...
  • Mold spots on ceilings and wall corners. ...
  • Musty odor. ...
  • Recurring water runoff dampness in springtime. ...
  • Blistering paint or peeling wallpaper. ...
  • Creaky doors, cabinets, windows or floors.

Do dehumidifiers help with mold?

A dehumidifier makes the external conditions less welcoming to mold; by removing moisture, they reduce the chances of mold growth. An air purifier, however, removes mold spores from the air, making it harder for mold and mildew to create new colonies.

Can I leave my 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.

Where to place a dehumidifier in a bathroom?

Dehumidifier Placement, Installation and Safety Tips

Ensure the dehumidifier is positioned away from water sources, such as the shower or bathtub, to prevent any potential electrical hazards. If you're using a continuous drainage option, make sure the drainage hose is properly secured and directed to a suitable drain.

What is an alternative to a dehumidifier?

Use desiccants

Without the facilitation of an electrical appliance, desiccants such as silica gel, charcoal, and rock salt can still adsorb some moisture from the air at a slower rate, due to their hygroscopic nature. You can put a basket of charcoal in the room and replace the charcoal once it gets damp.

How do I dehumidify my bathroom?

While you can never eliminate condensation, some simple steps can help prevent mold buildup and the likelihood of expensive water damage.
  1. Use the Fan. ...
  2. Open the Windows. ...
  3. Passive Ventilation. ...
  4. Wipe Down Tiles, Mop the Floor. ...
  5. Demist your Mirror. ...
  6. Wet Clothing & Towels Placed Outside. ...
  7. Take Shorter, Cooler Showers. ...
  8. Use a Dehumidifier.

Why is a dehumidifier not suitable for a bathroom?

'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.

Where to place a dehumidifier?

A rule of thumb is to always place your dehumidifier close to the source of moisture. This will reduce running time and increase how efficiently the appliance is in regulating high humidity. For smaller spaces, a great hack is placing a dehumidifier in the hallway, which is often the most central place in the house.

How to stop mold in a bathroom?

How to prevent mould
  1. Shower curtain. Mould thrives in the creases on a damp shower curtain. ...
  2. Change textiles. Shower or bath towels should be changed at least once a week, and hand towels every two to three days. ...
  3. Ventilation. ...
  4. Dry tiles. ...
  5. Towels on the radiator. ...
  6. Use a dehumidifier. ...
  7. Use a hygrometer. ...
  8. Heating.

Previous article
Why doesn't my heat pump dryer dry my clothes?
Next article
Why does my laundry stink after washing it?