Close this search box.

humidifier has white dust-what is it?

Note: This post may contain affiliate links. This means that at no cost to you, we may receive a small commission for made purchases.

Humidifiers leave white dust when used correctly and for the right amount of time, but they can cause problems if used incorrectly or too long.

Humidifier Leaving White Dust

This is usually an indication that your humidifier needs to be serviced.

Humidifying Your Home With Air Purification Systems

Air purification systems are a great way to help keep your home healthier by removing unwanted substances from the air.

They also make it easier to breathe in the house because they reduce the humidity level, resulting in dry indoor air.

In addition, some air purification systems remove pollutants like mold, pollen, and bacteria from the air and odors.

For this reason, many people choose to install these devices in their homes.

Some air purification systems even filter out specific allergens and smoke particles.

Therefore, it’s essential to know what features the best air purification system has before buying one. Hence, you get the products you need.

Which Type Of Air Purification System Do I Want?

There are two central air purification systems: whole room air cleaners and portable air filters.

A whole room air cleaner is designed to clean all the air in the entire room where the unit is located and will typically have a fan inside it.

A portable air filter only cleans the area where the filter is located. The size of the device determines how much space it will cover.

Whole room air cleaners come with either a HEPA or carbon filtration system.

Both types of filtration work effectively at filtering harmful contaminants such as viruses, bacteria, and other pathogens, but not necessarily odor-causing chemicals.

Whole room air cleaners also include a UV light, dehumidifier, and heat exchanger.

Suppose your home does not have a central heating/air conditioning system.

Adding a unit to provide heated/cooled air through your ducts may not be cost-effective.

Portable air filters are not connected to the ductwork.

Therefore, there is no exchange of heated/cooled air, but they offer the same benefits as whole room air cleaners.

In fact, most air purification units contain both an entire room air cleaner and a portable air filter attached to each other.

Therefore, choosing between the two depends on your budget and having single or multiple units.

How Should I Maintain My Air Purification System?

Humidifier Leaving White Dust

If you have an air purification system, it requires maintenance. You must change the air filter every month.

When doing so, you can either purchase new filters (which aren’t always affordable) or just open up the existing filter and replace it with a new one.

However, suppose you’re planning on changing the filter frequently.

You should invest in a reusable filter that allows for easy removal and replacement of the filter.

You should also check the cleaning methods used by your manufacturer for any signs of wear and tear.

What Else Should I Look For When Purchasing My Air Purification System?

A good air purification system should run quietly, require little maintenance, be energy efficient, and circulate the air evenly throughout your home.

It should also offer sufficient coverage, filter out all of the things it’s supposed to, and not leave behind anything dangerous.

It’s essential to find a model that fits your needs and lifestyle.

Before purchasing a product or service, you should educate yourself beforehand to ask questions and learn more about its capabilities.

If you’re looking to buy a whole room air purification system, here are some tips on what features you need to consider.

You want a high-efficiency unit because lower efficiencies use more electricity than higher ones.

Unfortunately, while many manufacturers claim their products are high efficiency, they don’t specify which components make up the number.

Your humidity level should stay under 35% and your temperature. This might not be too difficult if you live somewhere cold like Alaska.

Still, keeping these numbers within acceptable ranges could be tricky if you live somewhere tropical.

Another thing to consider is the amount of space covered by the cleaners.

Some people feel better knowing that their whole house is being filtered.

Others would instead split up the coverage area and cover only certain house areas with separate systems.

This makes installation easier and costs less money. If you plan to install it yourself, consider how much space will be available to determine where you place the air purifiers.

There are many different models of air purification equipment on the market today.

The type of equipment you choose depends on your individual preferences, the size of your home, your budget, and your general health and wellbeing.

There are three main types: air cleaners, portable air filters, and ionization air purifiers.

Each one has its own set of advantages and disadvantages.

Still, before making a decision, it’s best to become educated about it. Read on to find out everything you need to know.

Whole room air cleaner units come in two primary forms; central air conditioning and heat pump.

They both work identically except for one difference.

A central air conditioner uses fans to move cool air from the furnace through ductwork and vents near each room.

On the other hand, a heat pump does the opposite.

It moves heated air from the vents through the ducts and back to the furnace. Both require power to operate.

Central air conditioning units typically cost between $1,000 and $3,500, while heat pumps cost around $2,800.

Portable air filters are ideal if you’re moving or traveling often.

They are self-contained units that plug directly into an outlet, thereby eliminating the need for any wiring.

These devices cost anywhere between $100-$400, depending on the device’s size.

Ionization filters are another popular choice. Unlike conventional air filters, they remove odors without filtering out harmful particles.

Instead, ionizers utilize negative ions to eliminate airborne pollutants such as cigarette smoke, pet dander, mold spores, and bacteria.

They can be used inside or outside and have no adverse effect. You just point the fan towards the rooms you wish to clean.

In addition, most ionized filters effectively remove formaldehyde and volatile organic compounds (VOC).

If you’re considering purchasing a humidifier for your home, there are several things you must know first.

First, many of these humidifiers contain chemicals that can harm human beings.

Therefore, it’s essential to thoroughly research the manufacturer before buying anything.

Don’t pick one based solely on the price tag when choosing a humidifier.

You also want to make sure that the device contains low levels of mercury.

Mercury is extremely dangerous to our bodies and can cause serious problems.

For example, children who swallow mercury can suffer severe brain damage.

In addition, mercury vapor emitted from a humidifier can irritate eyes and skin, causing rashes, eye infections, and allergic reactions.

Therefore, it is strongly recommended that you check the label for mercury content before purchase.

In conclusion, when it comes to choosing the right humidifier, the most important thing you can do is read reviews carefully.

Choose a brand that has received many positive comments instead of ones that have been labeled as scams.

There are dozens of good brands, so keep looking until you find what works best!

Tips For Choosing A Dehumidifier

Humidifier Leaving White Dust

To choose a dehumidifier, there are several things that you should consider:

1) Size – The size of the unit determines how much space it will take up in your home. Some smaller models require less energy, while larger models use more power than others.

2) Features – Look for automatic shut-off after certain hours, temperature controls, and filter replacement options. Also, look for a warranty that is transferable to new owners.

3) Price – Remember, not all dehumidifiers are created equal; some cost more. However, if you’re planning on keeping the unit for a long time, it’s better to spend the extra money now since you’ll save money later.

4) Location – Your location plays a huge role in determining your needs. Most dehumidifiers work best in areas where humidity is very high. Ensure that the site is well-ventilated or air ducted so that the unit doesn’t create additional moisture.

5) Type – Most dehumidifiers fall into stand-alone units and portable units. Stand-alone units are fixed in place and usually come with an AC adapter. Mobile units, however, can be moved around anywhere they are needed. They are great for traveling or vacationing.

6) Maintenance – You may be tempted to skip the annual maintenance, but doing so could leave a pathogenic bacteria build-up that could lead to health issues. Instead, schedule regular cleanings and check filters regularly to ensure proper operation.

7) Specialty Items – Some dehumidifiers include humidistats, foggers, heaters, and blowers. These specialties can help homeowners achieve various levels of humidity control. It’s always wise to consult experts before purchasing any specialty item.

8) Warranty – While warranties vary, most manufacturers offer lifetime warranties. If something goes wrong during the first year of ownership, return it to the manufacturer’s facility. It’s often cheaper to repair a broken part than to replace it.

9) Ease of Use – When picking a dehumidifier, choose easy to operate. Also, make sure that the unit is easy to move when necessary. Finally, make sure that the model you purchase comes with instructions.

10) Energy Efficiency – Many dehumidifiers utilize water heating units that aren’t very efficient. This means they use large amounts of electricity even though the room isn’t really damp. To avoid this, try buying a unit that uses a fan cooling system.

11) Noise Level – Ensure that the unit is quiet enough to fit into a small bedroom or kitchen without noise. Ideally, the unit should produce no noise at all. Also, look for models placed on countertops or tables rather than on floors because these tend to be quieter.

12) Safety – Since dehumidifiers use fans, ensure adequate safeguards to prevent children from getting injured by them. Ensure that the unit has sufficient power supply protection devices to reduce the risk of electric shock caused by overloading.

13) Size – The size of the dehumidifier will depend on how big your home is and what kind of space you want to conserve. For example, suppose you live in a smaller apartment. You might benefit from a larger capacity unit that won’t take too much floor space. On the other hand, if you can install a central air conditioning system (see also ‘Central Air Conditioning Installation: How To Do It Yourself‘), choose a unit that can cool a large area.


A humidifier is an effective way to keep your house comfortable year-round.

However, choosing the correct type of device for your situation can be challenging.

Hopefully, the information provided above helps you better understand which features you need.

In addition, consider the amount of money you’re willing to spend and the space within which you’d like to install the humidifier.

There’s genuinely a right humidifier (see also ‘How Long To Keep A Humidifier On‘) for everyone!

author avatar
Anthony Barnes
Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. As a second-generation plumber, it was easy for Anthony to get used to the technicalities of all from a tender age


On Key

Related Posts

Is Drano Bad for Pipes? The Truth Revealed

Note: This post may contain affiliate links. This means that at no cost to you, we may receive a small commission for made purchases. When it comes to dealing with clogged drains, many homeowners turn