Where To Get Distilled Water For Humidifier (You’ll Be Surprised)

  • By: madison
  • Date: November 24, 2022
  • Time to read: 6 min.

If you use a humidifier, you may be wondering where to get distilled water in your humidifier. Using distilled water in your humidifier is important because it doesn’t contain minerals that can build up inside the machine or clog the drain.

Distilled water is also inexpensive, so there’s no need to spend more on expensive brands of mineral-free water for your humidifier.

Key Takeaway’s

  • Distilled water is the purest form of water and is ideal for use in humidifiers.
  • You can purchase distilled water from most supermarkets or drugstores. 
  • Using a simple distillation process, you can also make your own distilled water at home.
  • It is important to change the water in your humidifier regularly to prevent mold and bacteria growth.
  • Regular cleaning of your humidifier will also help to extend its lifespan.
4 big bottles getting filled with distilled water
Where To Get Distilled Water For Humidifier

Here’s The Answer To Where To Get Distilled Water For Humidifier

If you’re like me, you’ve probably been thinking about this question since your first humidifier purchase. It’s not just a random thing that people think about; distillation is the best way to ensure the cleanliness of the air in your home.

The process involves boiling water until it becomes steam and condensing it back into liquid form (a state known as running through a still), resulting in distilled water that contains no chemical impurities or minerals.

If you want to ensure your house stays nice and healthy, don’t try making your distillation system home! You’ll need a special ” distillers ” setup for your distilled-water dreams to come true—and those aren’t cheap.

Unlike other types of products sold online by companies like Amazon or Walmart Marketplace sellers (which typically charge higher prices than those found on their actual websites), these are usually sold through third-party vendors who tend not only to offer lower prices but also provide excellent customer service support.

One Source Of Distilled Water Is To Buy At The Store

A few bottles of distilled water for sale in a store.
One Source Of Distilled Water Is To Buy At The Store

One source of distilled water is to buy at the store. You can usually find distilled water in the baby section of your local grocery store or even at a specialty store like Whole Foods.

Some companies sell large bottles of distilled water for those who want to stock up on their supply!

The cost for one liter (or 34 oz.) bottle can range from $1-$2, depending on where you purchase it.

You may be wondering how much-distilled water you need per day. The answer depends on your humidity level and what type of humidifier you’re using (humidifiers use different amounts).

A good rule of thumb is to fill your humidifier reservoir once daily with 4-5 liters (1 gallon) of boiled tap water, equaling about 55% humidity if used consistently throughout each day.

Another Source Of Distilled Water Is To Make It Yourself At Home Using A Distiller

Another source of distilled water is to make it yourself at home using a distiller. Regular water that has been cooked to eliminate all contaminants is distilled water.

You can buy a distiller at hardware stores or online and make distilled water home.

To use your distiller, fill it with tap or filtered water up to its maximum fill line, add in any minerals you want (such as calcium chloride), then close and turn on the machine by pressing its power button.

The process takes about 8 hours for every gallon of liquid you put into the machine. Be sure to plan when making distilled water.

A Distiller Works By Boiling Water And Then Condensing The Steam Back Into Water, Leaving Behind Impurities

Before we get into the best places to get distilled water, let’s go over what a distiller is. Water is heated to a boil, and then the pollutants are removed by condensing the steam back into the water.

When you boil water on your stovetop or in a kettle, boiling essentially drives away any impurities in it—things like dissolved minerals and other nastiness that float around in there.

When you stop boiling (or let it sit for a while), those impurities will eventually re-dissolve into the water once everything cools down.

The same thing happens with a distiller; when you boil tap or well-water inside of one of these gadgets and then allow them to cool naturally back down again—without adding any new minerals or contaminants—they’ll be left purer than they were before they were put through all this nonsense.

To Make Distilled Water At Home, You Will Need A Distiller And A Way To Collect The Condensed Steam

Distilled water is the purest form and one of the most common humidifier choices. It comes from boiling water and then collecting the condensed steam back into the water again.

The distilled steam lacks minerals, salts, and other impurities found in normal tap or bottled water.

This makes it ideal for humidifiers because it doesn’t leave behind any mineral buildup that could negatively affect your indoor environment.

Using a distiller, you may create distilled water at home, which essentially evaporates regular tap or bottled spring water into steam before cooling it down again using condensation tubes—the same process used by professional distillers but on a smaller scale.

If you don’t have access to a distiller (or if they seem too expensive), there are plenty of other ways to get this crucial ingredient without breaking the bank.

Distilled Water Can Also Be Made In A Microwave Oven

You can also make distilled water in a microwave oven. This works by heating the water molecules, which bounce off the walls of the container and collide with each other.

This causes them to boil, generating steam collected in a separate vessel.

The sole drawback to this approach is the potential for the mineral residue to remain.

The Process Of Making Distilled Water In A Microwave Oven Is Similar To That Of Making It In A Distiller

The process of making distilled water in a microwave oven is similar to that of making it in a distiller. Microwaves work by using radio waves to heat the water molecules, not the container.

This means you can’t use your microwave to boil or distill water because it doesn’t have the necessary power.

Even if you could get all of your ingredients into the tiny oven and set up an apparatus capable of supporting them, your chances of success would still be slim.

The molecules will bounce off too quickly to reach their boiling point before bouncing apart again by another wave from above (or below).

Where To Find The Best Deals On Distilled Water For Your Humidifier?

A faucet for dispensing distilled water.
Where To Find The Best Deals On Distilled Water For Your Humidifier

As we all know, distilled water is the best for humidifiers. But where can you find it at the best prices?

First, let me tell you that if your local pharmacy doesn’t carry a good brand of distilled water (I like this one from Amazon), then most likely, they will be able to order it for you in bulk with free shipping.

This is great because it’s cheaper than buying small bottles at your local grocery store and makes more sense environmentally.

But sometimes, they just don’t have the brand or size of bottle that fits into your humidifier, right? Luckily there are many other places where you can buy distilled water at reasonable prices.


I hope this article has been helpful and that you now know where to get distilled water for your humidifier. If you have any more questions about humidifiers, feel free to contact us.

We’re here to help with any product-related questions or concerns you have.

Frequently Asked Questions

Is it safe to store distilled water in the fridge?

Yes, distilled water can be stored in the fridge. Just label it so you know how much is in each bottle and how long it will last.

Can I use distilled water in a humidifier during pregnancy?

Distilled water is generally safe to use during pregnancy, but always make sure to consult with your doctor first. Distilled water can be a source of harmful bacteria if not diluted properly.

Where can I find distilled water coupons?

There are often distilled water coupons available online and in the mail. Keep an eye out for them to save money.

How do I know if the distilled water I’m buying is good quality?

Some distilled water brands make their water using thermal distillation, which is the most effective and pure method of distilling water. Other distilled water brands may use a process called vapor Distillation, which is not as pure. Always read the label to find out how the distilled water was made.


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 HumidifierSource.com, where I share my knowledge with others who want to learn more about the world of humidifiers.