How To Make A Humidifier Filter Out Of Coffee Filter (Easy Tips)

  • By: madison
  • Date: November 24, 2022
  • Time to read: 9 min.
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Do you have a humidifier in your home? Or maybe you don’t even have a humidifier, and you’re not sure what it is or why you need one. Either way, this post is for you.

Humidifiers are great for keeping us comfortable in the winter and preventing us from having dry skin, but did you know that most humidifiers use filters to keep the air clean? But what if those filters get dirty? And how do you replace them?

I’ll show you how to make a DIY coffee filter as a humidifier filter in this post. 

Key Takeaway’s

  • A coffee filter can make a great humidifier filter.
  • Just cut the coffee filter to the size of your humidifier opening, and then place it inside the humidifier.
  • The coffee filter will help to absorb excess moisture and keep your humidifier clean.
  • You should replace the coffee filter every few months, or as needed.
  • It is also important to clean your humidifier regularly to prevent mold and mildew growth.
How To Make A Humidifier Filter Out Of Coffee Filter
How To Make A Humidifier Filter Out Of Coffee Filter

Here’s The Answer To How To Make A Humidifier Filter Out Of Coffee Filter

You’ll need to cut a piece of coffee filter about 1 inch by 1.5 inches. Fold it in half, then pinch the end to create a point. Hold the open end over the faucet and gently stretch it to fit over the tip of your faucet. 

Cut the coffee filter to fit the humidifier and place it inside. Next, secure the coffee filter to the humidifier by wrapping it in duct tape. Another way to secure the coffee filter is with a rubber band.

Step by Step Instructions

Wick coffee filters are an easy, cheap way to make your humidifier filters. Clean, filtered air is as simple as following these simple steps.

1. Cut a coffee filter in half with a sharp knife or scissors.

2. Coffee filters should be folded in half before being refolded.

3. Staple the filter together at the center.

4. Trim the excess filter material from the sides, leaving about an inch of filter on each side.

5. Slit the top of the filter with a small slit.

6. Slip the filter over the humidifier wick, with the slit facing up.

7. stack two or three coffee filters on top of each other and staple them together in the same way.

Now you have a custom-made humidifier filter that will help keep your air clean and your humidifier running smoothly.

What You Will Need

If you want to make a humidifier filter out of a coffee filter, you will need a stack of coffee filters and a small amount of water. Simply wet the coffee filters with the water and then put the plastic cap on top of the stack to make the filter.

You will also need coffee filters, a rubber band, stapler, needles and thread to stitch, and a pair of scissors.

How Much Does A Coffee Filter Cost?

How Much Does A Coffee Filter Cost
How Much Does A Coffee Filter Cost

Humidifier filters can be expensive, but you don’t have to spend a fortune on them! A simple coffee filter will do the trick just fine. Choosing the right amount of filters is important, because the more you use, the more expensive it will be.

They are also easy to find and cheap to buy, making them excellent for DIY projects. For example, coffee filters work great if you’re looking to make your humidifier filter! Cut them into desired size and shape, and you’re good to go.

Where Can You Buy These Coffee Filters?

It is affordable, but coffee filters are also easy to find and purchase. You can buy these filters online or from stores like Walmart and Target. To make sure your filter works properly, make sure you follow the instructions on the container.

What Are The Benefits Of Using A Coffee Filter As A Humidifier Filter?

Coffee filters are a great way to humidify the air without spending a fortune. Not only that, but they also reduce the amount of water needed to humidify the air, leading to decreased water costs over time.

Using a coffee filter as a humidifier is environmentally friendly since it doesn’t require waste disposal. It’s an affordable and convenient solution that eliminates buying expensive filters or tanks.

A coffee filter as a humidifier filter can help improve indoor air quality by trapping impurities in the reservoir. This will help filter out allergens and pollutants, but it will also reduce the amount of moisture buildup in your home.

So if you’re looking for an economical and convenient way to humidify your home, a coffee filter as a humidifier filter is the perfect solution!

How Often Should You Change These Filters?

These simple filters can be rinsed and dried after each use and stored in an airtight container. However, replacement of the humidifier filters may be necessary every several months, depending on how frequently you use the humidifier.

The frequency of changing your humidifier’s filter will depend on your model and how often you use it. However, if using a coffee filter as a filter for humidifying unit, then recommend you replace them at least every 60 days. 

You should change your humidifier’s filters at least once a season, if not more often. The most common type of filter for these units is the seasonal air filter, which is made of paper or a composite material like paper and plastic. 

It would help if you changed your water filters every three months to prevent mineral deposits from building up.

Can You Clean Them And Reuse It Inside Humidifier Again?

Can You Clean Them And Reuse It Inside Humidifier Again
Can You Clean Them And Reuse It Inside Humidifier Again

The good news is that coffee filters can be cleaned and reused several times. However, you need to clean them thoroughly before using them again. 

Coffee filters are easy to clean, but you can also reuse them again and again. The small size makes it excellent for use in humidifiers as well.

Use a mild soap and warm water to clean the coffee paper filter. Before using, allow the filter to completely dry.

What Are The Disadvantages Of Using A Coffee Filter As A Humidifier Filter?

Coffee filters can cause allergies and asthma in some people. Not only that, but they’re not very effective at removing large particles or mold spores from the air.

The major disadvantage of using coffee filters as a humidifier is that the paper itself is not hydrophobic. This means that your plant will still need to stay hydrated, and it may dry out quickly in this environment. 

Another concern is that the oils from the coffee can build up on the plant leaves. Additionally, coffee filters may not work well with wood or plastic surfaces, increasing the risk of damage.

A coffee filter can make a poor humidifier filter because it is made like a cheese cloth with small holes. The filter may not fit snugly on the humidifier, leaving the finned wick and the top of the stack of filters exposed. Additionally, coffee filters often take up extra space in the humidifier, making it more difficult to clean.

It’s always best to consult with a professional humidifier filter replacement company to make sure you’re getting the best possible humidifier filter for your needs.

Making Your Humidifier Filter: What Tools Do You Need?

Making your humidifier filter is easier than you think! All you need is some basic supplies – a ruler, Phillips head screwdriver, and oven.

Next, cut out the circles with scissors and use them as templates to cut out filters from heavy-duty aluminum foil. Second, locate the center of that circle on paper or cardboard and draw a 2nd circle around it with a pencil.

Finally, measure the circumference of the region where the filter will be placed. Next, trace around it with your Phillips head screwdriver. Finally, place one template over each hole in your humidifier filter housing. Job done!

Do You Have To Use Fresh Coffee Filter?

Do You Have To Use Fresh Coffee Filter
Do You Have To Use Fresh Coffee Filter

If you’re using a coffee filter as a humidifier wick filter, you don’t necessarily need to use a fresh one. Instead, you can use one that’s been used before, as long as it’s clean and in the middle of the coffee filters.

However, not all humidifier filters are created equal – some of them can cause health risks if not cleaned properly. That’s why it’s crucial always to clean your humidifier filter after each use, using either fresh coffee filters or a special humidifier filter cleaning kit.

If you don’t have time to change the filter regularly, using fresh coffee filters will also work just fine. Use an unfranked coffee filter that’s made from paper pulp and not wax or plastic. 

How Long Does It Take To Make A Humidifier Filter From Coffee Filters?

A humidifier filter made from coffee may be made in only a few minutes with a few simple tools, and the method is straightforward.

It takes about 30 minutes to make a humidifier filter from coffee filters. The process is similar to making an air purifier filter. 

Once the filter is made, it needs to be soaked in water for 24 hours before use.

So, if you’re looking for a cost-effective and practical humidifier filter solution, coffee filters are the way to go!

Is It Safe For Kids To Use A DIY Coffee Filter As A Humidifier Filter?

There is considerable debate surrounding DIY coffee filters as humidifier filters. While some people are using them with no problems, others claim a risk of health complications.

Before using a DIY coffee filter as a humidifier filter, we recommend consulting with a doctor to get their opinion. In the meantime, be cautious and do your research first.

Humidifier water can contain germs, which can lead to the flu. A coffee filter can’t filter them out entirely. Placing the coffee filter over the humidifier’s base and adding a cloth wick could increase its effectiveness.

What Are The Alternative Options To Using A Coffee Filter As A Humidifier Filter?

What Are The Alternative Options To Using A Coffee Filter As A Humidifier Filter
What Are The Alternative Options To Using A Coffee Filter As A Humidifier Filter

Many alternative options are available that are better suited for specific needs and preferences. Some of these include sponges, cotton balls, and paper towels.

Keep your home’s humidity level high by selecting the option that best suits your needs and tastes, and the effort required will be reduced.

One alternative to using a coffee filter as a humidifier filter is to use a sponge wick. You can also use an unbleached coffee filter as a humidifier filter. Filter shape and paper thickness make it ideal for humidifiers of all sizes, and it’s easy to remove and clean. 


All you need to make your own humidifier filter is a coffee filter. In this blog post, we discussed the benefits of making your own humidifier filter out of a coffee filter. Our post has also included using a coffee filter to produce a humidifier filter.

If you’re looking for a humidifier filter that will remove allergens and foul odors from the air, coffee filters are a great option! They’re cheap and easy to find, but they also last for a long time and can be reused several times over their lifetime.

However, suppose you’re looking for an alternative humidifier filter option. In that case, we recommend using cloth as both of these options effectively remove moisture and allergens from the air.

Thank you for reading our blog post on making a coffee filter humidifier filter. Now go out and make your own coffee filter humidifier filter!

Frequently Asked Questions

Is there any way to tell if the coffee filter as my humidifier filter working?

There is no definitive way to tell if a coffee filter works as a humidifier filter. But you can try checking the moisture level in the air. If the humidity is consistently high, then the filter is likely working. However, if the humidity level fluctuates or drops suddenly, the filter may not be effective.

Does a coffee filter facilitate mold growth?

A study found that coffee filters may facilitate mold growth. The study was done on coffee filters, and it stated that mold would grow more quickly on the filter because of the high moisture content and structure.

Do coffee filters filter out dust particles from the air?

The filters do filter out dust particles from the air. However, they are not effective at filtering out other allergens like pet dander or smoke.

How does one clean a coffee filter to use as a humidifier filter?

To clean a coffee filter humidifier filter: 1) Empty the humidifier’s water tank. 2) Remove the filter from the humidifier. 3) Wash the filter in cool water. 4) Hang the filter to dry. 5) Use it again only when it’s completely dry.


Kenneth Sine
Kenneth Sine

My name is Kenneth Sine, and I’m a product engineer who has been working with humidifiers for over ten years now. In my spare time, I write for, where I share my knowledge with others who want to learn more about the world of humidifiers.