If you’re a homeowner, you probably know that humidity can cause all sorts of problems in your home. From mold to musty odors, excess moisture can lead to a whole host of issues. That’s where dehumidifiers come in. By removing excess moisture from the air, these handy appliances can help keep your home comfortable and healthy. But like any appliance, dehumidifiers require maintenance to work their best. In this article, we’ll dive into the world of dehumidifier servicing, answering all your questions about when, why, and how to service your dehumidifier.

1. Understanding the Importance of Dehumidifier Maintenance

Dehumidifiers can significantly improve indoor air quality by removing excess moisture from the air, preventing the growth of mold and mildew, and reducing allergens in the air. However, to ensure that your dehumidifier continues to function properly, it’s important to perform regular maintenance.

Regular dehumidifier maintenance can help improve the efficiency and effectiveness of your unit, prevent breakdowns and costly repairs, and prolong its lifespan. It is recommended that you service your dehumidifier at least once a year, depending on usage.

Maintenance can involve cleaning the filter, reservoir, and evaporator coils, checking for any damages or wear and tear on the unit, and ensuring that the drainage system functions properly.

Failure to maintain your dehumidifier can lead to several issues, including reduced efficiency, poor air quality, and even complete system failure. To prevent these problems, it’s important to schedule regular maintenance and take action if you notice any signs that your unit needs servicing.

2. Signs that Your Dehumidifier Needs Servicing

Every appliance requires maintenance and your dehumidifier is no exception. If your dehumidifier is not working at its optimal level, it may require servicing. Here are some :

1. Strange Noise

If your dehumidifier is making a strange noise, it is a sign that it needs servicing. This is particularly true if the noise is getting louder or more frequent with time. Strange noises can be due to loose components or malfunctioning parts, and ignoring them can lead to bigger problems down the line.

2. Improper Humidity Level Control

If you notice that your dehumidifier is not controlling the humidity level as effectively as before, it may be time to have it serviced. The cause of this issue could be due to a number of factors, such as a clogged filter or a malfunctioning sensor. This can lead to increased energy consumption and higher utility bills.

3. Strange Odors

If your dehumidifier is emitting a strange smell, it is a sign that it needs to be serviced. This could be caused by a buildup of dust, mold, or mildew inside the unit. Ignoring this issue could lead to health problems for you and your family.

If you observe any of these signs, it is important not to ignore them. Regular servicing of your dehumidifier will keep it running efficiently and prolong its lifespan.

3. Top Reasons Why Dehumidifiers Fail

Dehumidifiers are designed to remove excess moisture from the air, making the indoor environment more comfortable and healthier for occupants. However, like all other home appliances, dehumidifiers can fail, leading to reduced efficiency and increased energy consumption. Here are the :

1. Clogged Air Filters: One of the primary reasons why dehumidifiers fail is due to the buildup of dust particles and other airborne contaminants on the air filters. Over time, the clogged filters restrict airflow, reducing the overall efficiency of the unit. It’s recommended to clean or replace the air filters regularly to avoid this problem.

2. Electrical Issues: Dehumidifiers have numerous electrical components, including motors, fans, and compressors. In some cases, faulty electrical connections, damaged wires, or defective components can cause the unit to malfunction. Regular inspection and timely repairs can help prevent this type of problem.

3. Refrigerant Leaks: Refrigerant leaks are a common issue for dehumidifiers that use refrigeration methods to remove moisture from the air. When the refrigerant leaks out of the unit, the dehumidifier loses its cooling power, and the system is unable to remove moisture effectively. Refrigerant leaks can lead to costly repairs and can even damage the unit permanently.

To prevent these problems, it’s crucial to perform regular maintenance and address any issues promptly. Cleaning or replacing air filters, checking electrical connections, and fixing refrigerant leaks can help keep your dehumidifier running smoothly for years to come.

4. Steps to Servicing Your Dehumidifier: A DIY Guide

If you own a dehumidifier, you need to take proper care of it to make sure that it runs smoothly for years to come. Even if you have purchased the best dehumidifier on the market, it still requires proper maintenance, and servicing. In this section, we will discuss a couple of DIY tips or steps that will keep your unit running efficiently for as long as possible.

Step 1: Unplug the Dehumidifier

Before performing any maintenance or cleaning to your dehumidifier, always ensure that it is unplugged from the electrical outlet. This precaution will protect you from electrical shock, which is extremely dangerous, and can even be life-threatening.

Step 2: Clean the Air Filter

Cleaning your air filter might sound like a small thing, but it goes a long way in improving the performance of your dehumidifier. Dirt and debris clog the filter over time, which hinders the machine’s ability to pull moisture from the air. Here’s how to clean an air filter:

  1. Remove the filter from your dehumidifier
  2. Check for damage or wear on the filter’s surface.
  3. Gently clean the filter with warm water.
  4. If necessary, use a mild detergent or soap to remove stubborn debris.
  5. Rinse the filter thoroughly with water.
  6. Allow it to dry completely before replacing it.

Step 3: Clean the Water Tank

The water tank is the part of the dehumidifier that collects all the water, so it’s crucial to ensure that it is free of debris and mold. A dirty water tank is a breeding ground for bacteria and mold which can affect the air quality circulating in your home. Here’s how to clean the tank:

  1. Unplug the dehumidifier from the electrical outlet and separate the water tank from the dehumidifier.
  2. Empty any water that may be in the tank.
  3. Use a mixture of warm water and dish soap to scrub the tank’s interior.
  4. Rinse the tank with clean water.
  5. Dry the tank with a clean, dry cloth or allow it to air dry.

By performing these simple steps, you can keep your dehumidifier running smoothly and efficiently. Remember, every device requires maintenance, so be sure to follow this simple guide to extend the lifespan of your dehumidifier.

5. Professional Dehumidifier Servicing: Is It Worth The Cost?

While it is possible to service your dehumidifier yourself, some homeowners prefer hiring a professional to do the job. Is it worth the extra cost? Here are factors to consider when deciding whether to hire a professional technician or service your dehumidifier yourself:

  1. Experience and Knowledge: Professional technicians have the experience and knowledge to diagnose and repair a wide range of dehumidifier problems quickly and efficiently. They can accurately assess the issue and recommend the best course of action to fix it.
  2. Warranty: If your dehumidifier is still under warranty, it may be necessary to have it serviced by a professional to maintain the warranty’s validity. Make sure to check with your dehumidifier manufacturer to see if this is required.
  3. Tools and Equipment: Professionals have specialized tools and equipment that may not be readily available to the average homeowner. This includes refrigerant gauges, multimeters, and voltage testers, which are essential for proper diagnosis and repair of dehumidifiers.

While hiring a professional technician might be more expensive, it can save you time, effort, and money in the long run. A qualified technician can extend the lifespan of your dehumidifier, prevent future problems, and ensure that it operates at optimum efficiency.

6. Tips for Maintaining Your Dehumidifier to Extend Its Lifespan

Dehumidifiers are an essential tool to keep your indoor environment healthy and comfortable. However, like any other appliance, they require regular maintenance to function properly and last longer. In this section, we will provide some and avoid costly repairs.

1. Clean or Replace the Filter

The filter in your dehumidifier traps dust, dirt, and other particles from the air, which can affect its performance if not cleaned regularly. Check your dehumidifier’s manual for instructions on how to clean or replace the filter. A dirty or clogged filter can also cause the unit to overwork and shorten its lifespan. If you’re not sure how often to clean or replace the filter, aim for every six months.

2. Empty or Drain the Dehumidifier Regularly

The water collected by your dehumidifier needs to be emptied or drained regularly. Some models have a built-in pump or hose that automatically drains the water, while others require manual draining. Neglecting to empty or drain your dehumidifier often can result in water spillage, mold growth, and damage to the unit. If you’re using your dehumidifier in a particularly humid environment, make sure to check and empty the water tank more frequently.

3. Keep the Air Intake and Exhaust Clear

The air intake and exhaust vents in your dehumidifier need to be clear and unobstructed to ensure proper airflow and prevent overheating. Clean the vents regularly by using a soft brush or a vacuum cleaner. Make sure not to cover the vents with any objects, furniture, or curtains, as it can restrict airflow and damage the unit.

4. Check and Adjust the Humidity Level

Your dehumidifier’s ideal humidity level depends on the environment it’s used in. Check your dehumidifier’s manual for the recommended humidity level and adjust it accordingly. A higher humidity level can cause excessive condensation and strain your dehumidifier, while a lower humidity level can cause discomfort and dry out the air. If you’re not sure about the best humidity level for your home, aim for 50%.

By following these tips, you can extend the lifespan of your dehumidifier and avoid unnecessary repairs. Remember that regular maintenance is key to keeping your indoor environment healthy and comfortable.

7. Choosing the Right Dehumidifier for Your Home: Key Factors to Consider

Dehumidifiers play an essential role in maintaining optimal humidity levels in your home. Investing in the right dehumidifier requires careful consideration of several factors. In this section, we will take a look at the key factors to consider when choosing the right dehumidifier for your home.

Room Size

The first and most crucial factor to consider when choosing a dehumidifier is the size of the room. Different dehumidifiers are designed to serve different room sizes, and selecting the wrong size could result in inefficiency and higher energy costs. Use a measuring tape or laser measure to determine the room size and ensure that the dehumidifier you choose aligns with the room size.

Noise Level

Dehumidifiers are notorious for producing a significant amount of noise, which can be a nuisance if you intend to use them in bedrooms or quiet spaces. The noise level is measured in decibels (dB), and it’s advisable to check the product specifications before purchasing. Typically, dehumidifiers with a noise level between 50dB and 70dB are considered acceptable.

Energy Efficiency

Dehumidifiers can consume a significant amount of energy, and it’s essential to choose an energy-efficient model to avoid high electricity bills. Look for dehumidifiers with an Energy Star rating. These models are designed to save energy and operate more efficiently, resulting in lower operating costs over time.

Additional Features

Depending on your needs and preferences, you may want to consider additional features when choosing a dehumidifier. Some models come with caster wheels that make them more portable, while others have automatic shut-off features that turn off the unit when the water tank is full. Other features to consider include humidistats that allow you to set your desired humidity level and automatic defrost functions.

By considering these key factors, you can make an informed decision when choosing the right dehumidifier for your home. Remember to consider the room size, noise level, energy efficiency, and any additional features that align with your preferences to ensure optimal performance and efficiency.

People Also Ask

Why do dehumidifiers need servicing?

Dehumidifiers can clog, accumulate dust, and lose efficiency over time, and regular servicing can help prevent these issues. Additionally, certain parts such as filters, coils, and tanks may need to be cleaned or replaced.

How often should you service your dehumidifier?

The frequency of dehumidifier servicing depends on various factors such as usage, environment, and manufacturer’s recommendations. However, it is recommended to have your dehumidifier serviced at least once a year to ensure optimal functionality.

What are the signs that your dehumidifier needs servicing?

Signs that your dehumidifier needs servicing include unusual noises, reduced efficiency in moisture removal, musty or unusual odors, and visible damage or leaks. If you notice any of these signs, it’s best to have your dehumidifier checked.

Can I service my dehumidifier myself?

While it is possible to perform some basic maintenance tasks on your dehumidifier yourself, such as cleaning filters and tanks, some complex parts like motors and refrigerant systems may require professional servicing. It’s best to consult the manufacturer’s instructions or contact a professional for guidance.

What are the benefits of servicing my dehumidifier?

Regular servicing of your dehumidifier can prolong its lifespan, improve air quality, prevent mold growth, and increase energy efficiency, which can save you money on utility bills in the long run.


In conclusion, dehumidifiers need servicing to ensure optimal functionality, improve air quality, and increase energy efficiency. Basic maintenance tasks such as cleaning filters and tanks can be performed by the user, but complex parts may require professional servicing. To prevent issues and prolong the lifespan of your dehumidifier, it is recommended to have it serviced at least once a year.