5 Best CPAP Humidifiers For Dry Mouth

Most patients use continuous positive airway pressure (CPAP) machines to treat Obstructive Sleep Apnea (OSA).

Sleep apnea occurs when an individual’s airway becomes blocked or collapses while sleeping, resulting in repeated brief periods of no breathing.

CPAP machines treat this condition by delivering a continuous flow of pressurized air through an enclosed mask. This opens the airway and restores normal breathing.

Successful therapy for OSA with a CPAP machine depends on the quality of the machine and the patient’s compliance with using it regularly.

For example, some people can only use a CPAP machine with additional features like heated tubes and humidifiers, while others do just fine with a standard model.

Buying a CPAP machine can be a stressful experience, as making the right choice is crucial for your life.

To aid you in your search, we have compiled a detailed buying guide that addresses your concerns and a list of our recommended CPAP models. Also, keep reading for bonus tips on how to choose a CPAP machine.

How do These Humidifiers Work?

How do These Humidifiers Work

By CPAP, pressurized air can get moisture in two ways:

  • Hot plate
  • Passover humidification

Commonly, heated humidifiers heat the water in the water chamber using a hot plate. To allow you to breathe during CPAP therapy, the moistened air is delivered to the mask via routed tubing.

Passover humidification is the process of passing air through room-temperature water in a chamber to absorb moisture before transferring it through a tube to the mask and airway. Usually, the delivery is done at a lower pressure.

However, heated CPAP tubing can be used to warm the air delivered by this technology, which typically delivers cold air.

Air delivered during CPAP therapy causes the nasal airways to lose moisture, which humidifiers are intended to restore. Sometimes increased airflow makes it difficult for the nasal passage to maintain the required level of warmth and humidity.

In order to increase comfort, a humidifier causes the air to hold onto more moisture.

Making the treatment for sleep apnea more comfortable is the main advantage of a humidifier. Using a humidifier reduces your chance of waking up with a dry, sore throat or mouth.

Furthermore, a humidifier might be a great addition to your bedroom if you want to avoid waking up with a dry, painful throat.

5 Best CPAP Humidifiers For Dry Mouth

Worried about which one to go after? Don’t be. Here we have listed the 5 best CPAP for dry mouth. Let’s dive right in!

1. Luna G3 CPAP Machine

Luna G3 CPAP Machine
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The Luna G3 CPAP Machine is small, quiet, and highly adjustable thanks to its portability and design. This makes it ideal for use on the go.

Using the preheat function, you can get the water in the built-in humidifier to a comfortable temperature before bed.

Heated tubing can reduce water condensation. In addition, the ramp function can help start therapy at low-pressure settings and gradually increase as sleep approaches.

This device syncs with your home Wi-Fi, allowing you to send real-time sleep data to your doctor.

Additionally, you can access reports to examine nightly trends and go over your current settings.

The digital panel shows time, temperature, and humidity settings. Indicators on the screen flash red when it’s time to swap out the filter, tube, or mask.

Each set contains the machine, filter, heated tubing, power cord, and outlet. Unfortunately, it lacks a leak compensation feature that can modify the mask leaks when using a DC power source. However, there’s a warranty on it for two years.


  • Built-in humidifier
  • Lightweight
  • User-friendly interface

Pros & Cons of Luna G3 CPAP Machine


  • Affordable
  • Compact
  • Good connectivity


  • Tricky water chamber
  • No leak compensation
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2. ResMed AirSense 11

ResMed AirSense 11
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The premium features, sleek design, and powerful performance of the ResMed AirSense 11 AutoSet CPAP Machine make it an excellent choice. This device includes sleep tracking, problem-solving software, and conveniences like a humidifier and ramp.

Despite its high-end price tag, many consumers find the product’s additional features worth the investment.

This device is 27 decibels loud and weighs 2.5 pounds. It includes a breath-activated auto-adjust feature.

In addition, the “AutoSet for Her” mode is specifically designed for the irregular breathing patterns experienced by women with sleep apnea, thanks to the device’s gender-based algorithm.

The initial setup is simple, as the machine is compatible with an app that monitors sleep patterns. It provides individualized, needs-based coaching, which is a significant selling point.

Keeping a record of your daily sleep score could help you identify problems and make positive adjustments to your sleep routine.

The machine has a modern, user-friendly touchscreen. The 65-watt unit provides reliable overnight power for your device.

Each purchase also comes with a filter, tubing, and a convenient carrying case for transporting your machine. A two-year warranty from ResMed covers this product.


  • Mask leak alerts
  • Data tracking
  • 2-year warranty

Pros & Cons of ResMed AirSense 11


  • User-friendly
  • Touchscreen
  • Bluetooth connectivity


  • Expensive
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3. Resvent iBreeze

Resvent Breeze
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High-end CPAP machines, especially those that adjust the pressure automatically, can cost hundreds of dollars.

The Resvent iBreeze isn’t inexpensive, but it’s more reasonably priced than most opponents. It has many convenient extras to breathe easily and sleep soundly.

The iBreeze is designed to help people who experience airflow loss due to their mask moving or slipping at night by automatically compensating for leaks and sounding audible alarms.

Pressure settings on the device go from 4 to 20 cmH20. Treatment can be ramped up to a higher level of intensity over time thanks to the auto-ramp function. The ramp’s duration can be adjusted in 60-second intervals.

A leak in the system causes the air pressure to rise to make up for the difference. In addition, an alarm will go off to remind you to readjust your mask.

The device is aesthetically pleasing on any bedside table and is designed to resemble a modern alarm clock. The manufacturer backs it up with a 2-year warranty.


  • Integrated humidifier
  • Air leak alarm
  • Auto-ramp

Pros & Cons of Resvent iBreeze


  • User-friendly
  • Touchscreen
  • Bluetooth connectivity


  • Expensive
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4. ResMed AirMini AutoSet Travel CPAP Machine

ResMed AirMini AutoSet Travel CPAP Machine
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Unlike other lightweight and compact CPAP machines, the ResMed AirMini AutoSet Travel CPAP Machine doesn’t skimp on performance. The 10.6-ounce weight is much lower than that of comparable CPAP machines currently available.

In addition, it emits sound at a level of 30 decibels, equivalent to a very soft whisper.

Traveling from one place to another is easy with this machine. It has an inbuilt converter ready for international use and meets all FAA regulations for airplane use.

Bottled water is not needed because the HumidX waterless humidification system is patented. For the first 30 days of use, the machine stores your sleep data in an app available for iOS and Android devices.

This compact machine performs well as compared to larger devices in terms of customization and feature set. For example, AutoRamp, a patented feature, gradually increases pressure during therapy as soon as it detects that you’ve fallen asleep.

If you’re having trouble breathing through your mask because of the force of the air coming in, the Expiratory Pressure Relief feature can help. There is a two-year guarantee on the device.


  • Compact
  • Waterless humidifier
  • It can be used on flights

Pros & Cons of ResMed AirMini AutoSet Travel CPAP Machine


  • Waterless humidification
  • Smartphone connectivity
  • Approved for flight use


  • Needs a compatible mask
  • No battery
  • Louder than other machines
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5. Drive DeVilbiss IntelliPAP Auto

Drive DeVilbiss IntelliPAP Auto
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The DeVilbiss IntelliPAP is an automatic CPAP device with a built-in heated humidifier. It offers maximum convenience and adherence for patients requiring higher pressure levels during therapy.

When a patient inhales or exhales, the Auto Bilevel system modifies the therapy pressure to meet the individual’s needs.

If you want to experience air therapy at the ideal temperature and humidity, you should consider investing in the optional heated humidification system.

The unit’s user-friendly design allows patients to use it discreetly in any setting. The manufacturer backs this machine with a five-year warranty.

In addition, patients can use a range of tubes, from 6 feet to 10 feet in length.


  • 5-year warranty
  • Slip-resistant pads
  • Auto adjust technology

Pros & Cons of Drive DeVilbiss IntelliPAP Auto


  • Bluetooth compatible
  • Compact
  • Quiet


  • No heated tubing
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Choosing The Right CPAP Humidifier

Choosing The Right CPAP Humidifier

A myriad of options makes it more challenging to choose the right CPAP. This part will teach you everything you need about humidifiers before purchasing.

While it’s true that having this knowledge can aid in your search for a humidifier, it’s also essential to consult your doctor or other medical professionals to ensure you find one that’s appropriate for your condition.

What Should You Look For In A CPAP Humidifier?

When looking for a CPAP, it’s essential to consider several factors. In addition, when deciding on a gadget, you must consider your individual preferences and requirements.

We’ll examine these requirements in depth so you can select the most suitable CPAP.

1. Compatibility


A humidifier’s compatibility with a given CPAP machine is determined by its compatibility. So, it is important to check for compatibility before purchasing a humidifier separately.

While most models of standalone humidifiers are compatible with various CPAP machines, some are made specifically for use with a few brands. Humidifiers built in can typically only be used with the specific machines they were initially intended for.

2. Instructions From The Manufacturer

The manufacturers of CPAP machines and humidifiers will probably note suggestions for compatible products in the instruction manual. Following these instructions can increase the humidifier’s lifespan and effectiveness.

The manual will most likely contain maintenance and replacement dates for your equipment.

3. The Method of Humidification

The Method of Humidification

Different CPAP humidifier designs use different methods to humidify the air during use. A heated water tank is used in heated humidification to circulate air.

The use of heated tubing helps keep the air warm and reduce or eliminate rainout or significant condensation inside the tube. When water is delivered through a normal or heated tube and the air is passed over it, the process is known as Passover humidification.

4. Materials


Humidifiers for CPAP machines comprise a water tank and a stand. Humidifiers are typically constructed from molded plastic, steel, and silicone, which can vary by model. Humidifiers that use a heating element are called heated humidifiers.

5. Durability


CPAP have a lifespan that varies from brand to brand. Humidifiers typically last between two and five years. However, the water tank needs to be changed every six months.

Humidifiers can last for years if used correctly and given regular care and maintenance.

6. Price


Humidifiers for CPAP machines vary depending on the store and their types.

The price of the CPAP machine may go up if it has a humidifier that is built in. Humidifiers, whether they are built-in or standalone, are typically priced similarly.

7. Warranty


The manufacturer’s warranty ensures the quality of your humidifier and makes the company responsible for repairing or replacing it if it breaks.

Humidifiers typically have a 6-month to the 2-year warranty period. After that, warranties do not cover accidental damage, improper use, water anomalies, and unauthorized alterations or repairs, but faults in materials or quality usually are.

Internal Vs External Humidifiers

Internal Vs. External Humidifiers

Two main humidifiers are available: those built into the machine and those purchased separately.

Humidifiers with a built-in or integrated feature can only be used with the device they were originally intended for. However, a more comprehensive range of CPAP machines can be used with standalone humidifiers.

Humidifiers built into a CPAP machine are designed to work exclusively with that particular machine. This has the benefit of making it simple to take it apart and put it somewhere else, put it in the washing machine, or clean it.

If separate from the CPAP machine, a humidifier must be connected via a short hose and its power cord. This way,  these humidifiers will work with a wide range of devices, provided they don’t have a built-in humidifier.

Nonetheless, they usually take up more room than integrated or built-in humidifiers.

Humidifiers built into machines are not removable. Unlike portable or tabletop humidifiers, built-in models typically require less table or counter space.

Because of this, they might not be as good at removing humidity from the air. The water tank, however, is detachable, so maintenance is a breeze.

When sending in for repair, please send the entire humidifier rather than the broken part.

Common Concerns Regarding CPAP Humidifiers

Seeing a doctor is a good idea if you have more concerns or questions about your health.

1. How Should CPAP Humidifiers be Cleaned?

Clean your CPAP humidifier according to the instructions provided by the manufacturer. Each day, with some warm water and gentle soap, clean the water tank. The water tank should be cleaned and disinfected at least once a week.

Maintaining a clean humidifier will enhance its performance and extend its life. It also keeps the chamber and tubes free of bacteria growth.

2. Is a CPAP Machine Usable Without a Water Chamber or Humidifier?

Humidifiers and water chambers are not usually required for the use of CPAP machines. However, to keep your mask moist, the machine will have to pump dry air into it.

Humidifiers aren’t necessary if you already live in a humid climate. For those who have been using CPAP therapy for a while, the benefits of the treatment may have worn off, and a humidifier may be unnecessary.

On the other hand, those just starting with CPAP therapy may find that using a humidifier reduces the risk of dry mouth.

3. My CPAP Humidifier is Small And Quiet; is it Okay to Bring it on a Plane With Me?

Yes, there is no prohibition on bringing CPAP humidifiers on board an airplane, but each airline has its rules for using medical devices during flights.

Therefore, if you need to bring medical equipment on board, you should contact the airline in advance to find out its specific rules.

4. What Type of Water is Recommended When Using a CPAP Humidifier?

Humidifiers used with CPAP machines require only distilled water. While it’s true that drinking filtered tap water will not hurt you, it can still leave deposits in your water tank from minerals‌.

In order to keep the humidifier working correctly and for as long as possible, use distilled water.

5. To What Extent do CPAP Humidifiers Cost?

Whether standalone or built-in, Humidifiers for CPAP machines can cost anywhere from $100 to $300.

6. Is a Humidifier For CPAP Covered by Medical Insurance?

Private health insurance will often pay for a CPAP humidifier if your doctor determines you need one. Get in touch with your insurance company if you have any questions about the protections offered by your plan.

As long as there is a medical necessity, Medicare will pay for a humidifier to be used with a CPAP machine. You will probably have to pay 20% of the final bill.

7. Does a CPAP Humidifier Work With Essential Oils?

We won’t advise using essential oil in a CPAP humidifier. We must not use these oils in any component of the machine. Overexposure to inhalants like oils causes lung irritation from exposure to even a trace amount of these droplets.

8. What Kind of Humidifier Should I Use?

Your preferences and requirements will determine what you will choose between heated or passover humidification. Individuals particularly vulnerable to dryness during therapy and those in more relaxed environments may benefit from heated humidification.

Humidifying for Passover is an excellent option for those who require or choose a lower-pressure setting. In addition, people who live in warmer areas or who tend to get hot during sleep may appreciate the cooler air.

Final Thoughts

There are many CPAP humidifiers on the market, and we believe this article has helped shed some light on the topic. You must adhere to your physician’s recommendations for the CPAP machine’s settings and portability.

Sarah Wagner

I'm Sarah Wagner, and I founded Sweet Island Dreams in 2022. It's a blog dedicated to helping people mental vacation virtually anytime they want. By providing information about the best sleep of your life, I help people drift away to paradise without ever having to leave their bed!