Will A Dehumidifier Remove Damp? Are They Effective?

Will A Dehumidifier Remove Damp? Are They Effective?

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Key Takeaways:

  • Effectiveness of Dehumidifiers: Dehumidifiers play a crucial role in combating dampness and high humidity levels in indoor spaces, especially in regions prone to moist and humid conditions like the UK. They work by removing excess moisture from the air through a process that involves drawing in air.
  • Benefits of Dehumidifiers in the UK: Dehumidifiers are increasingly becoming common household equipment in the UK due to their effectiveness in addressing moisture and humidity-related issues. These issues include mould formation, musty odours, and damage to furniture and possessions. .
  • Maintenance and Longevity: Proper maintenance is essential for the efficient and long-term functioning of a dehumidifier. Routine tasks include draining the water tank, cleaning the filter, and defrosting the cooling coils periodically.

When it comes to maintaining your home, damp is a cunning foe. If exposed to wet circumstances over an extended period, wood finishes, furniture, and even drywall can deteriorate, making your home susceptible to various problems like rot and mould. 

Even today, moisture can damage your home’s structure irreparably and gradually reduce its worth. Most climates result in seasonal, if not year-round, moisture in homes. 

You see, many homes in areas that receive a lot of rain and humidity, even for only a few short weeks out of the year, tend to experience various issues that can be linked to structural dampness.

See related: Damp Proofing

About A Dehumidifier

In the UK, dehumidifiers are becoming more and more common household equipment for a good reason.

These clever tools aid in the fight against the ubiquitous moisture and humidity problem that plagues many British houses and can cause various problems. Such as the formation of mould, musty odours, and damage to furniture and other possessions. 

To reduce humidity, a dehumidifier draws in wet air from a space and passes it over a cooled coil, which condenses the moisture into droplets that are collected in a detachable water tank or expelled through a hose. The dry air is then circulated inside the space to improve the comfort and health of the occupants.

Dehumidifiers come in a wide variety, from small, portable devices suited for a single room to larger, more powerful ones intended to address damp issues in entire homes

Some versions come with extra functions like quiet operation and air filtration, which make them perfect for use in bedrooms and other living areas.

The size of the room where the dehumidifier will be used, as well as the amount of moisture and humidity in the air, should all be considered when selecting one. A high Energy Star rating is also important because it will save operating costs.

A dehumidifier needs routine maintenance to function properly and efficiently. The water tank may need to be drained, the filter cleaned, and the cooling coils may periodically need to be defrosted. A dehumidifier may help keep your house dry, pleasant, and healthy for many years if maintained properly.

About Dehumidifier

What Does A Dehumidifier Do?

A dehumidifier is a household appliance designed to help combat dampness and high humidity levels in indoor spaces. Particularly in areas of the UK, that are prone to moist and humid conditions. The device works by removing excess moisture from the air, which can help prevent mould and mildew growth, reduce musty odours, and protect furniture and other items from damage caused by dampness.

The process by which a dehumidifier removes moisture from the air is relatively simple. The device draws in air from the surrounding environment and passes it over a cooled coil. 

As the air passes over the coil, the moisture in the air condenses and collects as water droplets on the coil’s surface. The dry air is then reheated and recirculated back into the room.

Most dehumidifiers have a water tank that collects the condensed moisture, which must be emptied periodically. Some models also have a continuous drain option, which allows the device to be connected to a drain for more efficient and convenient operation.

The effectiveness of a dehumidifier depends on many factors, including the size of the device, the room’s humidity level, and the amount of ventilation present. 

In general, larger and more powerful dehumidifiers are more effective at removing moisture from the air but may be noisier and consume more energy than smaller models.

Some modern dehumidifiers also come with additional features, such as air filters and ionisers, which can help to improve air quality by removing allergens and other pollutants from the air. These features may be particularly beneficial for those who suffer from allergies or respiratory problems.

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Will a Dehumidifier Get Rid of Damp?

Yes, a dehumidifier can be an effective tool in combating damp in the home. Dampness can be a major problem for many homes in the UK, particularly in areas with high levels of humidity or rainfall. 

Left unchecked, damp can lead to mould growth, musty odours, and damage to furniture and other belongings.

A dehumidifier works by removing excess moisture from the air, which can help to reduce the levels of dampness in a room. By drawing in air from the surrounding environment and passing it over a cooled coil, the device can condense moisture out of the air, which is collected in a water tank or drained away. 

The dry air is then recirculated back into the room, creating a more comfortable and healthy living environment.

However, it is important to note that a dehumidifier is not a complete solution for dampness. If the root cause of the dampness is not addressed, such as a leak or poor ventilation, a dehumidifier may only provide temporary relief. 

It is important to identify and address the underlying cause of the damp to prevent it from reoccurring.

It is also important to choose the right type and size of dehumidifier for the space in which it will be used. 

For example, a small portable unit may be suitable for a single room, but may not be powerful enough to combat dampness in a larger space effectively. It is also important to properly maintain and clean the device to ensure it works effectively.

Which Types of Damp Can a Dehumidifier Help With?

A dehumidifier can be a useful tool in combatting several types of damp that can affect homes in the UK

The device works by removing excess moisture from the air, which can help reduce the levels of dampness in a room and prevent mould growth and mildew. Here are some types of damp that a dehumidifier can help with:

Condensation Damp

Condensation is a common type of dampness that can occur when warm, moist air comes into contact with cold surfaces, such as walls, windows, or ceilings. This can lead to the formation of water droplets and, eventually, mould growth.

A dehumidifier can help to reduce the levels of moisture in the air, which can help to prevent the formation of condensation.

Rising Damp

Rising damp occurs when moisture from the ground rises through walls and floors, often due to a lack of a damp-proof course or membrane. While a dehumidifier cannot directly address the underlying cause of rising damp, it can help reduce the moisture levels in the air and prevent mould growth on affected surfaces.

Rising Damp

Penetrating Damp

Penetrating damp can occur when water leaks into a property through cracks or gaps in the walls or roof. A dehumidifier may be useful in helping to dry out affected areas and prevent the growth of mould, but it is important to address the underlying cause of the leak to address the issue fully.

Airborne Damp

Airborne damp can be caused by high humidity or moisture levels in the air. This can be particularly common in areas of the UK with high levels of rainfall or humidity. A dehumidifier can help to remove excess moisture from the air, reducing the risk of mould growth and improving overall air quality.

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Get a no obligation FREE quote now. Our team is here to help. Take the first step towards a guaranteed solution by filling out our form below. 

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How To Use A Dehumidifier Efficiently?

Using a dehumidifier efficiently can be an effective way to dry out damp walls in your home. Here are some tips on how to use a dehumidifier efficiently to tackle dampness on walls:

Choose The Right Dehumidifier

Selecting the right dehumidifier for the job is key. Make sure to choose a dehumidifier that is appropriately sized for the space and can handle the level of dampness in the room.

Position The Dehumidifier Correctly

The dehumidifier’s positioning can also greatly impact its effectiveness. Position the unit in the room where dampness is most prevalent, and make sure it has plenty of space around it to allow for adequate airflow.

Close Windows And Doors

When using a dehumidifier to dry out damp walls, keeping the room as closed off as possible is important. This means closing windows and doors and avoiding opening them for long periods. This will help to prevent moisture from entering the room and undermine the effectiveness of the dehumidifier.

Set The Right Humidity Level

Most dehumidifiers have adjustable settings that allow you to set a specific humidity level. It is recommended to set the humidity level to around 50% for drying out damp walls. This will allow the dehumidifier to efficiently extract moisture from the air without over-drying the room.

Empty The Water Tank Regularly

As the dehumidifier extracts moisture from the air, it will collect it in a water tank. It is important to check and empty the tank regularly to ensure that the unit continues to work efficiently. 

Some dehumidifiers also have a continuous drainage option, which can be helpful for situations where you need to run the unit for extended periods.

Consultation About Dehumidifier

Booking a survey with a qualified damp surveyor will provide you with expert advice on the underlying cause of the damp issue and a detailed plan for eliminating it from a damp specialist

This approach can help you to avoid the risk of just masking the problem with a dehumidifier and instead get to the heart of the issue.

>> Also Read; Thermal Imaging Survey Services near me

For a free consultation, call 0208 629 1517

Picture of Jake Fitzgerald - Damp Surveyor

Jake Fitzgerald - Damp Surveyor

Surveyor of Timber & Dampness in Buildings (CSTDB) & ( MRICS ) Chartered Quantity Surveyor

Jake is a qualified chartered quantity surveyor and experienced damp specialist with a unique skill set in thermal imaging. With a focus on effective solutions, Jake combines his expertise in quantity surveying and thermal imaging to accurately assess and address damp-related issues. He utilises advanced technology to identify hidden moisture sources and develop targeted strategies, ensuring comprehensive and cost-effective solutions for his clients. With a commitment to open communication and client satisfaction, Jake delivers cutting-edge solutions that tackle damp challenges head-on.

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