Dehumidifiers reign supreme when it comes to eliminating excessive moisture from the air, enhancing both our comfort and overall health. But did you know that the water extracted from the air by these marvelous devices can be repurposed in a variety of surprising ways?

That’s right! The water from a dehumidifier (which is almost distilled water) holds potential beyond mere disposal.

It is important to remember that clean dehumidifier water isn’t safe to drink. So while you can not drink the water, this doesn’t mean you should throw your dehumidifier water down the drain.

There are numerous ingenious ways to use dehumidifier water. Reuse the water collected for chores, gardening, and even pet care. You can help the environment and save money on your water bill and the same time. Discover the untapped resource that lies within the reservoir of your dehumidifier.

So, what uses can you give your dehumidifier water?

10 Uses For Dehumidifier Water

Water your plants or gardening

Using water collected from your dehumidifier can be a sustainable and eco-friendly alternative way to water the plants or garden When doing so, use a clean and food-grade container with a lid to store the water, making sure to label the container “Non-potable water – Not for drinking” to avoid any accidental misuse.

While dehumidifier water is generally safe for non-edible plants and outdoor use, it may contain trace elements and impurities from the air, so it should not be used on edible plants or crops you plan to consume.

However, you can freely use dehumidifier water for plants, flowers, trees, and shrubs around your home.

Household cleaning

Dehumidifier water is highly suitable for a variety of household cleaning tasks. You can use it for mopping floors, wiping surfaces like countertops and tables, cleaning windows and mirrors, and even cleaning bathroom fixtures. 

For cleaning tasks that require higher hygiene levels, you can add a small amount of household disinfectant to the water before using it.

Dehumidifier Water for steaming clothes

Ironing or steaming clothes

The water collected from dehumidifier water tanks is generally distilled and largely devoid of impurities, making it an excellent option for use with a steam iron or cloth steamers. This innovative approach not only helps conserve water but also contributes to reducing your overall environmental footprint.

Nevertheless, it’s crucial to exercise caution before you use dehumidifier water to fill your appliances.

Ensure it is thoroughly clean and free from any large particles or debris that might potentially damage the mechanisms of your iron or steamer.

Refilling a humidifier

Using water from your dehumidifier to refill a humidifier is one of the most practical and eco-friendly solutions for maintaining optimal humidity levels out there. This highly sustainable approach makes the most of the moisture in the air and minimizes waste.

However, before you refill your humidifier tank with dehumidifier water, you need to ensure that the water is as clean as possible to prevent the potential growth of bacteria and mold inside the humidifier.

Regularly cleaning both your humidifier and dehumidifier will guarantee optimal performance from both appliances and go a long way to providing you with a healthier living environment.

Windshield Wipers

Another highly practical use for your dehumidifier water for filling your windshield wiper reservoir. Since this water is mostly free of minerals and contaminants, it won’t leave streaks or smudges on your windshield, allowing your wipers to work more effectively.

Flushing Toilets

Consider using dehumidifier water to flush your toilets. Instead of relying solely on the standard utility water supply for filling your toilet tanks and flushing your toilets, repurpose the collected dehumidifier water for this purpose.

You likely won’t have enough collected water every time you need to flush, but even water-efficient toilets use thousands of gallons of water per year, so if you pour the water into the bowl or tank it can make a significant difference over time.

Use collected water to clean a car

Car washing

Dehumidifier water can serve as an excellent source of water for washing your car, especially for those with a penchant for all things eco-friendly. Its distilled-like nature means it won’t leave behind mineral residues or water spots on your vehicle’s surface.

To do this, mix the water with a mild car detergent in a bucket and use this water to clean your car’s exterior. Not only will doing this help you look shiny and spotless, but you’ll also actively contribute to essential water conservation efforts of the world.


When engaging in your arts and crafts or DIY painting projects around the house, you can use your dehumidifier water as a blending medium for water-based paints. Its clean and mineral-free composition makes it ideal for mixing and diluting paints without compromising the result.

Just make sure that the water is free of any large particles before using it for your artistic endeavors.

Refill Decorative Fountains

If you have a decorative fountain or water feature in your home or garden, consider using dehumidifier water is safe to use to replenish any loss as a result of natural evaporation.

The dehumidifier water will keep the fountain clean and prevent the buildup of mineral deposits that can occur when using regular tap water, especially in areas with hard water. This way, you can maintain the beauty of your fountain without wasting precious water.

Clean Pet Bedding

Your furry friends deserve a clean and hygienic place to rest, and dehumidifier water can be a valuable resource for cleaning your pet’s bedding and accessories. Its relatively purified nature can help you keep your pet’s belongings fresh and free from dirt, hair, and other debris while saving the most valuable natural resource of all.

Keeping Dehumidifier Water Clean For Later Use

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If you can’t use the water right away you can pick up a No products found. (from Amazon) so that you can store the humidifier water for future use.

Of course, if you are going to store the water this way you may not want to use it for some of the repurposing ideas listed above (like for your clothes or pets), but it beats throwing it out. If you are already collection rain water you can just dump it in the bucket with the rest.

Ensuring the safety and usability of the water collected by your dehumidifier requires regular cleaning and maintenance. To keep this essential liquid free from potential contaminants, follow a regular cleaning routine for your dehumidifying unit, with a particular focus on the water collection tank. 

Make it a habit to empty and save the water condensed by your dehumidifier regularly, while also cleaning the tank periodically. Neglecting these steps could lead to the growth of harmful microorganisms in the water tank, making the dehumidifier’s water unsafe for use.

Additionally, to prevent most of the debris from the air from contaminating the water, remember to regularly change the filter in your dehumidifier. Clean the grilles on the intake and exhaust as well to remove any accumulated dirt and dust.

These measures will ensure that you get the most efficient and cleanest performance from your dehumidifier, providing you with clean and highly usable water for any of the uses listed above.

Sustainable Solutions: Repurposing Dehumidifier Water For Practical Use

The water collected by your dehumidifier is a highly versatile and valuable resource that goes far beyond mere disposal. By exploring its various practical applications, you can not only contribute to a more sustainable and eco-friendly lifestyle but also save on precious resources.

From watering plants and gardening to making household cleaning tasks more eco-conscious, the possibilities are bound only by your imagination and common sense.

While it’s not quite portable, it is still clean enough that it is an ideal choice for ironing clothes, refilling humidifiers, and even cleaning your pet’s bedding. And, as long as you prioritize cleaning and maintenance of your dehumidifier, you can ensure the collected water remains safe for use.

So learn to embrace the full potential of dehumidifier water and make a positive impact on our environment while enriching your daily life at the same time.

Last update on 2024-04-03 at 05:03 / Affiliate links / Images from Amazon Product Advertising API