Everything you need to know about a dehumidifer and where to find them

Michael Caine
Michael Caine
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A dehumidifier is an appliance that helps reduce the amount of moisture in the air by removing excess humidity. High humidity levels can cause various problems, including mould growth, musty odours, and respiratory issues. A dehumidifier draws in moist air, passes it over a cooling coil, and collects the resulting water in a tank or through a hose.

Dehumidifiers are available in various sizes and capacities to suit different spaces and needs. Some are designed for small rooms, while others can handle larger areas such as basements or entire homes. Dehumidifiers can be portable or built-in, and some models come with additional features such as air filters or programmable settings.

One of the main benefits of using a dehumidifier is improved indoor air quality. By reducing excess moisture in the air, a dehumidifier can help prevent the growth of mould and mildew, which can trigger allergies and other respiratory issues. Dehumidifiers can also help reduce musty odours and improve the overall comfort of a space by making it feel cooler and less humid.

Pros and cons of the dehumidifier


Reduces humidity: A dehumidifier removes excess moisture from the air, which helps to reduce humidity levels in a space. This can help prevent mould growth and other moisture-related issues, such as musty odours and respiratory problems.

Improves indoor air quality: A dehumidifier can help improve indoor air quality by reducing excess moisture. It can prevent the growth of mould and mildew, which can trigger allergies and other respiratory issues. This can be especially important for people with asthma or other breathing problems.

Prevents property damage: High humidity levels can cause damage to property such as furniture, electronics, and musical instruments. A dehumidifier can help prevent this damage by reducing humidity levels in the space.

Increases comfort: High humidity levels can make a space feel stuffy and uncomfortable. A dehumidifier can make a space feel cooler and more comfortable by reducing excess moisture.


Energy costs: Running a dehumidifier constantly can increase energy costs. This can be especially true for larger models or if the dehumidifier is not energy-efficient.

Noise: Some dehumidifiers can be noisy when they are in operation. This can be problematic if the dehumidifier is used in a bedroom or quiet space.

Maintenance: Dehumidifiers require regular maintenance, such as cleaning the filters and emptying the water tank. Failure to maintain the dehumidifier can cause it to stop working properly or even break down.

Initial cost: The initial cost of purchasing a dehumidifier can be high, especially for larger or more advanced models. This can be a deterrent for some people who are looking to reduce humidity levels in their homes or office.

In summary, while dehumidifiers can offer many benefits, such as improving indoor air quality and preventing property damage, there are also potential drawbacks, such as increased energy costs and the need for regular maintenance.

How to use a dehumidifier

Using a dehumidifier is a relatively simple process. Here are the basic steps:

  1. Determine the ideal humidity level: The first step is to determine the ideal humidity level for your space. Generally, a relative humidity level between 30% and 50% is considered healthy and comfortable for most indoor environments.
  2. Choose the right dehumidifier: Select a dehumidifier appropriate for the size of the space you want to dehumidify. Check the manufacturer’s recommendations to determine the appropriate coverage area for the dehumidifier you are considering.
  3. Place the dehumidifier in the appropriate location: Place the dehumidifier in a central location in the room, away from walls and other objects that could obstruct airflow.
  4. Connect the dehumidifier to a power source: Plug it into an electrical outlet and turn it on. Set the humidity level to the desired level using the controls on the unit.
  5. Empty the water tank: As the dehumidifier removes moisture from the air, it collects the moisture in a water tank. Be sure to check the water tank regularly and empty it when it becomes full.
  6. Clean the dehumidifier regularly: To ensure that it continues to operate effectively, it is important to regularly clean the filters and other components.

By following these steps, you can effectively use a dehumidifier to reduce humidity levels in your space and improve indoor air quality.

When should you use a dehumidifier?

There are several situations where using a dehumidifier can be beneficial:

  1. High humidity: If the humidity levels in your home are consistently above 50%, you may benefit from using a dehumidifier to reduce the moisture in the air.
  2. Dampness and mould: If you have a damp basement or bathroom or have noticed mould or mildew growth, a dehumidifier can help reduce the moisture contributing to these issues.
  3. Allergies and asthma: High humidity levels can aggravate allergy and asthma symptoms by promoting the growth of dust mites, mould, and other allergens. A dehumidifier can help reduce these allergens in your home and improve indoor air quality.
  4. Musty odours: If you notice a musty odour in your home, it could be a sign of excess moisture. Using a dehumidifier can help reduce this moisture and eliminate the odour.

cost of a dehumidifier and how to save on them

The cost of a dehumidifier can vary depending on the size, brand, and features. A small dehumidifier suitable for a small room can cost between $30 and $100, while larger units designed for larger spaces can range from $150 to $500 or more.

Here are some ways to save on the cost of a dehumidifier:

  1. Buy during the off-season: Dehumidifiers are in higher demand during the summer months, so consider purchasing a unit during the off-season to take advantage of lower prices.
  2. Look for sales and discounts: Keep an eye out for sales and discounts from retailers that sell dehumidifiers. You can also find deals and discounts during holiday sales events.
  3. Consider a refurbished unit: Refurbished dehumidifiers can be a cost-effective alternative to buying a new unit. Be sure to purchase from a reputable seller and check the warranty before purchasing.
  4. Opt for a basic model: If you don’t need all the bells and whistles, consider a basic model that can get the job done without additional features.
  5. Check for energy efficiency: Look for units with the Energy Star label, which indicates that the dehumidifier meets energy efficiency guidelines and can save you money on your energy bills.

In conclusion, a dehumidifier is a valuable tool that can improve the air quality and overall comfort of your home. With the ability to reduce humidity levels and prevent mold and mildew growth, a dehumidifier can provide numerous health benefits and help protect your home from damage.

If you’re interested in purchasing a dehumidifier, consider using our affiliate links to explore a wide range of high-quality options from reputable brands. By purchasing through our affiliate links, you can support our site while also getting access to exclusive discounts and deals.

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