Where is the best location for a whole house dehumidifier?

Author: Jacquelyn Sawayn  |  Last update: Sunday, June 21, 2026

The In Wall or On Wall dehumidifier should be installed in a central location of the home. If possible, place it below (or near) an HVAC return air grill, which will help distribute the treated air throughout the home more efficiently and will help with getting rid of mold.

Where to put a dehumidifier for a whole house?

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 is the best place to put a whole house humidifier in a house?

Now to the big question—where should you place a whole house humidifier? The best location is near your furnace, integrated directly into your HVAC system. Typically, the humidifier is mounted on the supply line or return air duct, depending on the humidifier type and your home's design.

Should a dehumidifier be in the attic or basement?

Can you put a dehumidifier in the loft? A loft dehumidifier, much like a basement dehumidifier, aids in preventing condensation, dampness, and moisture damage in your attic. Moisture that is trapped in a loft can harm stored items and result in dampness, mould and mildew, bad odours, and property damage through rot.

Where is the most effective place to put a dehumidifier?

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. For dehumidifiers that cover large areas, it's a good idea to place them somewhere central such as a hallway or landing.

7 Best Whole House Dehumidifiers

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.

What is the best setting for a whole house dehumidifier?

So, what is the best humidity setting for a dehumidifier? To prevent mold growth and keep your home's relative humidity at a comfortable level, we recommend aiming for 30%-50% humidity in your home.

Will a dehumidifier help the whole house?

Portable dehumidifiers are a cost-effective option for those who only need to dehumidify specific areas of their home. On the other hand, whole-house dehumidifiers can remove moisture from your entire home and require less maintenance, making them an ideal option for St.

Is it better to place a dehumidifier high or low?

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.

Will a dehumidifier get rid of condensation in the attic?

If you have noticed signs of attic condensation, a dehumidifier can offer a temporary solution until you hire a professional attic expert. Dehumidifiers will get rid of any excess moisture to prevent further damage.

Where should you not put a humidifier?

Never put a humidifier in these 6 spots
  • On the floor or carpet. ...
  • Close to decor or wooden furniture. ...
  • Near electrical sockets or wires. ...
  • Close to your tech products. ...
  • Directly above a heating vent or radiator. ...
  • Within reach of small children or pets.

Is it worth getting a whole house humidifier?

Dry air can also cause static electricity and damage to wood floors and furniture. A whole-house humidifier can also help to save on your energy bills by making your home more comfortable, and it can even reduce the risk of house fires.

What is the best setting for a whole house humidifier?

The most comfortable level to set your humidistat is between about 35 and 55 percent relative humidity. This is the range when bacteria and viruses can't live as long and annoying static shock is minimized. However, the precise level you choose depends on the temperature outside.

Should a whole house dehumidifier run all the time?

Running it constantly could lead to unnecessary energy consumption and wear on the unit. Instead, it's more efficient to set your dehumidifier to maintain a specific humidity range. This way, it only operates when the humidity exceeds the set level, conserving energy and extending the lifespan of the appliance.

Where to install a whole house humidifier?

Where to Install a Whole House Humidifier
  1. A bypass whole house humidifier is typically installed on the return air duct, with a bypass duct running to the supply duct.
  2. Fan-powered humidifiers are usually mounted on the warm air supply duct.
  3. Steam humidifiers are typically placed on the warm air supply duct.

How much does it cost to install a whole house dehumidifier?

The cost to have a whole-house dehumidifier installed typically ranges from $1,000 to $2,800 or more, including both the unit and professional installation. Prices vary based on the system's capacity, brand, and complexity of installation.

Does dehumidifier location matter?

The ideal place to put a dehumidifier would be as close to the center of the room as possible, otherwise at least 6 inches away from a wall so as not to impede airflow.

Where is the best place to put a whole house dehumidifier?

Ideal Location: Below HVAC Return Air Grill

Are you wondering where to install your dehumidifier? The In Wall or On Wall dehumidifier should be installed in a central location of the home.

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.

Can you over dehumidify a house?

Leaving your dehumidifier on all the time can result in dehumidifying too much, leading to a dry indoor environment. It can cause dry air, leading to respiratory issues, dehydrated skin, and static electricity.

What setting should a whole house dehumidifier be?

You can set it to maintain a humidity level of 50% (most literature suggests the ideal humidity is somewhere between 30% and 50%). One of these is about as effective as ten of the room dehumidifiers.

Do whole house dehumidifiers use a lot of electricity?

On average, portable dehumidifiers use about 0.3 to 0.6 kWh per hour, while whole-house models can use up to 1.5 kWh per hour.

Where is the best place to put 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.

Do I need a dehumidifier if I have air conditioning?

An air conditioner will reduce the humidity AND lower the temperature significantly. So, dehumidifiers are best used in situations where moisture ( humidity ) is a problem but where significant cooling is not required.

How big of a dehumidifier do I need for 2000 sq ft house?

Since moisture levels vary by space, it is best to consider a range. A 34–40-pint capacity dehumidifier can cover a 500-1,500 sq. ft. room, while a 40–60-pint capacity dehumidifier can cover a 1,000–2,500 sq.

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