As the days get longer and the warmer weather arrives, many people reach for their trusty old dehumidifiers to keep their homes comfortable and dry. But with concerns over energy efficiency and rising electricity bills, homeowners may be wondering whether their old dehumidifiers are worth the cost of running them. In this article, we will explore the question of whether old dehumidifiers are expensive to run and provide some tips on how to save energy and money while keeping your home dry and comfortable.

1. “The Importance of Proper Dehumidifier Maintenance”


Dehumidifiers help to maintain a healthy living environment by removing excess moisture from the air. But proper maintenance is crucial to keep them running efficiently and to help lower the cost of operation. Neglecting maintenance can not only make an old dehumidifier expensive to run but also reduce its lifespan and effectiveness. Below we list the essential steps to maintain your dehumidifier.

Clean the Air Filter

The filter in your dehumidifier prevents dust, dirt, and other particles from circulating in your home. It is imperative to clean the filter at least once every two weeks. Clogged filters lead to increased energy consumption and a decrease in performance efficiency.

Inspect the Coils

The coils of a dehumidifier collect moisture from the air. However, they can attract dirt and debris, which could cause the coils to freeze and reduce their ability to extract moisture. Regularly cleaning the coils with a soft brush will help dehumidifiers work more efficiently and extend their lifespan.

Check the Drainage System

Most dehumidifiers use a drainage system to remove collected moisture. Clogs in the drainage system will cause the dehumidifier to work harder, resulting in increased energy consumption and reduced effectiveness. Make sure to inspect and clean the drainage system regularly.

By following these simple maintenance tips, you can extend the lifespan of your dehumidifier and help keep it energy-efficient, even as it ages. However, if your old dehumidifier has seen better days, it may be time to consider upgrading to a new model for better efficiency and improved performance.

2. “How Age Impacts the Energy Efficiency of Dehumidifiers”

Dehumidifiers are designed to remove excess moisture from the air, making our indoor space more comfortable and healthy. However, dehumidifiers, just like any other appliance, will eventually wear out and become less efficient over time. In this section, we will discuss and what you need to know about it.

Dehumidifier Compressor Efficiency

One crucial factor that affects the energy efficiency of dehumidifiers is the compressor’s age. The compressor is responsible for removing moisture from the air by removing the water vapor and condensing it into a liquid. Unfortunately, the compressor’s efficiency decreases as it gets older, leading to an increase in energy consumption and a decrease in performance.

Dehumidifier Refrigerant Efficiency

Another component that can significantly affect the energy efficiency of old dehumidifiers is its refrigerant. Refrigerant is the fluid used in dehumidifiers that absorbs moisture from the air. The refrigerant becomes less efficient as it ages, making the unit’s cooling process less productive. This inefficiency makes the compressor work harder, consuming more energy and increasing your electricity costs.

Dehumidifier Coils Efficiency

Lastly, the effectiveness and lifespan of a dehumidifier’s coils determine its energy efficiency. The coils’ job is to transfer the heat and moisture, facilitating the dehumidification process. Inefficient or corroded coils reduce the dehumidifier’s performance, requiring the compressor to work longer and harder to keep up with demand.

Conclusion: Old dehumidifiers are less energy-efficient and can lead to higher energy bills. Continue reading to learn how to reduce costs with your old dehumidifier, or whether upgrading to a new dehumidifier is worth the investment.

3. “Comparing Energy Consumption: Old vs. New Dehumidifiers”

One of the factors that can impact the cost of running a dehumidifier is its age. Generally speaking, newer models tend to be more energy-efficient compared to older ones. This is because they come equipped with advanced features and technologies that help them run more efficiently with less energy consumption. In this section, we will compare the energy consumption of old and new dehumidifiers and see how they stack up.

According to energy experts, old dehumidifiers that are over 10 years old tend to consume more energy and are not as efficient in removing moisture from the air. In fact, they can use up to twice as much energy as newer models. This is because they lack the advanced features found in modern dehumidifiers such as humidistats, automatic shut-off, and defrost functions that help regulate their energy consumption.

On the other hand, newer models are equipped with energy-saving features that help keep energy consumption low. For instance, some models come with EnergyStar ratings, which means they meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency. They also come with programmable settings that help you customize the level of humidity control you need, and some even have smart features that allow you to control them remotely with your smartphone or tablet.

  • Tip: If you have an old dehumidifier, consider replacing it with a newer model to save on energy costs in the long run.

4. “Ways to Reduce Costs with Your Old Dehumidifier”

If you have an old dehumidifier, you might be wondering how you can minimize energy consumption and lower your electricity bills without having to upgrade to a new unit. Luckily, there are a few things you can do to make your old dehumidifier more efficient and reduce its running costs.

Use your dehumidifier in the right room

One way to reduce the running costs of your dehumidifier is to use it in the room where it is most needed. If you use your old dehumidifier in a large room where there are no moisture problems, it might consume more energy than it should. Instead, use it in a smaller, more humid room where it can work more effectively.

Keep your dehumidifier clean

Another way to maximize energy efficiency is to regularly clean your old dehumidifier. After a long period of usage, your unit may accumulate dust and dirt that can impact its performance. Clean the air filter and the coils frequently to ensure the machine is working optimally. A clean filter and coils ensure that the air is circulating well, and moisture can be removed effectively.

Check and Seal Doors and Windows

Old dehumidifiers are less effective in removing moisture if the air in the house is continuously replaced with humid air from outside. You can reduce this issue by ensuring that doors and windows are properly sealed. This will reduce the amount of humid air that comes into your home and make it easier for your old dehumidifier to remove moisture from the air inside.

By implementing these tips, you should be able to reduce the running costs of your old dehumidifier. However, if you are looking for more significant energy savings, it may be worthwhile to consider upgrading to a newer, more energy-efficient model, which we’ll discuss more in the next section.

5. “Upgrading to a New Dehumidifier: Is it worth the Investment?


You may have heard that a new dehumidifier can save you money in the long run, but is it worth the upfront investment? Let’s consider the factors that may impact your decision.

The Benefits of Upgrading to a New Dehumidifier

  • Energy Efficiency: Newer dehumidifiers are designed to be more energy-efficient, which means they use less electricity to remove moisture from the air. This can result in cost savings on your monthly energy bill.
  • Improved Performance: An old dehumidifier may struggle to effectively remove moisture from the air, resulting in higher humidity levels in your home and potential damage to your property. A new dehumidifier can provide improved performance, protecting your home and possessions.
  • Modern Features: Newer dehumidifiers often come with added features such as digital displays, automatic shut-off, and remote controls. These features can offer convenience and ease of use.

The Costs of Upgrading to a New Dehumidifier

  • Upfront Investment: The biggest drawback to upgrading is the upfront cost. However, consider that a new dehumidifier can last for 5-10 years with proper maintenance, which can offset the initial investment.
  • Maintenance: Despite being more energy-efficient, new dehumidifiers still require routine maintenance, which can include cleaning and filter replacements. Take into account the additional cost of maintaining a new dehumidifier when considering an upgrade.

Ultimately, whether or not upgrading to a new dehumidifier is worth the investment depends on your personal circumstances. Consider the factors outlined above and weigh the potential cost savings against the upfront investment. If your old dehumidifier is constantly running and costing you more in energy bills, it may be time to make the switch.

People Also Ask:

What are the average energy costs of an old dehumidifier?

Old dehumidifiers tend to consume more energy than new models due to their outdated technology. The average energy cost of an old dehumidifier can range from $30-$75 per month depending on its age and condition.

Is it worth using an old dehumidifier?

It depends on how old the dehumidifier is and what its energy efficiency rating is. If the dehumidifier is more than 10 years old, it may consume more energy than it’s worth and should be replaced with a newer and more energy-efficient model.

Can an old dehumidifier cause a fire?

Old dehumidifiers can pose a fire risk due to outdated electrical components or malfunctions. It’s important to regularly maintain and inspect the dehumidifier to ensure it’s in good working condition and replace it if there are any safety concerns.

How can I reduce the energy consumption of an old dehumidifier?

To reduce the energy consumption of an old dehumidifier, make sure it’s placed in a well-ventilated area and keep the air filter clean. You can also lower the humidity setting to reduce the workload, but keep in mind that this will also decrease its effectiveness.

What are the benefits of upgrading to a new dehumidifier?

Upgrading to a new dehumidifier can result in lower energy costs, increased efficiency, improved air quality, and a reduced risk of fire hazards. Newer models also come with features like automatic shut-off, digital controls, and advanced air filters.


Old dehumidifiers can consume more energy and pose safety hazards, making them expensive to run. It’s recommended to replace them with a newer and more energy-efficient model to save money in the long run. Regular maintenance and inspections are also important to ensure the safety and efficiency of the dehumidifier.