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Continuous positive airway pressure (CPAP) machines are devices that can help people with sleep apnea breathe better. A person has to wear a mask while they are sleeping and connect it to the machine, as this blows air into their nose and mouth and keeps their airways open.

This article explores different CPAP machines available on the market, factors to consider when choosing one, and some products a person can purchase. It also discusses some safety considerations and when to consult a doctor.

Please note that the writer of this article has not tried these products. All information presented is purely research-based and correct at the time of publication.

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Best overall: ResMed AirSense 10 AutoSet

ResMed AirSense 10 AutoSet cpap machine
  • List price: $1,199.99
  • Warranty: 2 years

This ResMed AirSense device features a front-facing color LCD screen and an automatic adjustment function that delivers the lowest pressure levels. Moreover, it can differentiate between central sleep apnea (CSA) and obstructive sleep apnea (OSA).

People who buy this machine can also benefit from other features, such as:

  • an integrated heated humidifier
  • a cloud-based system for remote troubleshooting
  • an AutoRamp function, which can detect when the user is asleep and increase pressure as required
  • an ambient light sensor
  • a quiet motor
  • pressure relief on exhalation

Best for those new to CPAP: Luna II Auto CPAP Machine

Luna II CPAP machine
  • List price: $1,129
  • Warranty: 2 years

This auto CPAP machine has a built-in humidifier. A person can easily share data with their healthcare professional due to the device’s Wi-Fi or cellular collection capabilities.

A person can scan a QR code to quickly access their health and sleep data. The machine automatically adjusts the pressure, and important machine controls are accessed using the LCD screen.

The retailer’s website states this machine is good for people with allergies and those new to CPAP.


  • Wi-Fi and cellular connection for easy data sharing
  • runs quiet at 28 decibels
  • mask leak alerts


  • price is quite high compared with other products
  • reviewers state that it can be very loud
  • users state an off-gassing smell
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Best quiet machine: ResMed AirMini Travel

ResMed AirMini Travel cpap machine
  • List price: from $999
  • Warranty: 2 years with a 30-day risk-free trial

This ResMed CPAP machine weighs 10.6 ounces (oz) and can fit in the palm of a person’s hand, so people can use it while traveling. It is also approved for in-flight use.

Individuals who use this device can benefit from the following features:

  • a waterless humidification system
  • an app so users can monitor sleep data and change settings accordingly
  • auto adjusting pressure
  • the AutoRamp technology, which increases pressure when a person falls asleep
  • expiratory pressure relief
  • a quiet motor

The ResMed AirMini Travel CPAP machine is only compatible with some ResMed mask models.


  • lightweight
  • customized features
  • suitable for travelers


  • noise may come from the mask
  • limited mask options
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Best travel-friendly CPAP machine: Z2 Auto Travel CPAP Machine

Z2 auto travel cpap machine
  • List price: $799
  • Warranty: 2 years

The Z2 Auto Travel CPAP Machine is a portable device that fits into the palm of a hand, making it suitable for people who are always on the go. It may also suit travelers and light sleepers. It weighs 10.5 oz.

It comes with several features:

  • automatic pressure adjustments
  • Bluetooth technology
  • breath detection
  • a muffler

People also receive a user manual, a USB cable, and a heat moisture exchange unit, among other tools.


  • fast and easy setup
  • whisper quiet design
  • suitable for traveling
  • auto breathing adjustments


  • can be loud with or without the tube
  • returns may not be possible
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Best budget option: Resvent iBreeze Auto CPAP

Resvent iBreeze CPAP
  • List price: $570
  • Warranty: no information available

This CPAP device forms part of the iBreeze series. It has these features:

  • three intelligence pressure release algorithm
  • an auto-humidifying design that prevents condensation during respiration
  • a plug and seal water tank
  • an alert to warn that the water level is low

In addition, the water chamber slides into the machine but is not visible while a person uses it. People can benefit from custom pressure so that their airways remain open no matter their position.


  • prevents condensation due to an integrated humidifier
  • water chamber is not visible when in use
  • user-friendly setup


  • no Bluetooth connectivity
  • may be slightly loud for some people
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Below we compare the products mentioned in this article

ResMed AirSense$1,199.992 years• cloud-based system for
remote troubleshooting
• Wi-Fi and cellular connectivity for data sharing
• integrated humidifier
Luna II$1,1292 years• Wi-Fi and cellular connectivity for data sharing
• integrated humidifier
ResMed AirMini$9992 years30-day risk-free trial
Z2$7992 years• small size
• travel-friendly
Resvent$570no informationintegrated humidifier

*Note: Medical insurance covers standard CPAP machines for people diagnosed with sleep apnea. However, it does not cover travel CPAP machines.

Medical News Today chooses medical equipment that meets the following criteria:

  • Price: MNT chooses products available for a wide range of budgets. Insurance can often cover the price of the products, depending on an individual’s plan.
  • Reputable: MNT chooses products from businesses that require a prescription, adhere to industry best practices, and offer reliable customer service and support.
  • Connectivity: MNT ensures products have a range of connectivity and tracking options.
  • Materials: MNT chooses products that have safe and durable materials that are easy to clean and maintain.
  • User-friendly: MNT selects simple-to-use products that have clear instructions. Where applicable, MNT chooses brands that offer a setup or advice service.
  • Quality: MNT chooses companies that adhere to high quality manufacturing processes that ensure its products are safe for personal use.
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A few factors a person may wish to consider before purchasing a CPAP machine include:

  • Noise levels: A CPAP machine operates while a person is asleep, so it may be best to choose one with a quiet motor to avoid disturbances.
  • Portability: Lightweight and small machines may suit a person who travels often. Note that medical insurance does not cover travel CPAP machines.
  • Price: Some machines can be expensive, so individuals may want to consider their budget before making a purchase. If a person has health insurance, they can also check whether their health insurance company can cover the cost of the device.
  • Adjustability: The amount of pressure that CPAP machines produce varies. People can opt for a product that comes with adjustable pressure levels.
  • Warranty length: Many devices come with a warranty that covers repair and replacement costs if the device breaks down during the warranty period.

According to the National Heart, Lung, and Blood Institute (NHLBI), CPAP machines can cause side effects, such as:

  • dry mouth
  • dry eyes
  • blocked nose
  • nosebleeds
  • runny nose

A person may be able to address these side effects by making adjustments to their CPAP device. For example, dry eyes may be remedied by correcting a mask leak. A dry mouth is usually caused by mouth breathing while using a nasal mask.

A person experiencing a blocked nose, nose bleeds, or runny nose may be from a lack of humidity. Increasing the humidity level on the device may fix this.

A person may also feel claustrophobic when they first use the device. This may mean that a more lightweight nasal pillow mask or another device may better fit them.

It is also of note that using a properly fitting mask plays a role in its effectiveness.

There are two types of sleep apnea: OSA and CSA.

OSA is a condition that relaxes the throat muscles during sleep, leading to the narrowing of the airways when an individual breathes in. OSA affects 34% of males and 17% of females in the United States and can cause breathing problems during sleep time.

CSA occurs due to a signaling issue in the nervous system and results in pauses of breath. However, it is rare and only accounts for less than 10% of cases, according to a study from 2013.

Individuals with either type of condition will need to use a CPAP machine.

There are three types of CPAP machines:

  • CPAP: This type provides a single, adjustable amount of air pressure to a person’s airways to help keep them open when a person inhales and exhales. If the person wishes to change the air pressure, they need to reset the device.
  • Automatic positive airflow pressure (APAP): This machine automatically adjusts air pressure based on a person’s breathing patterns as they sleep. The breathing can change depending on the person’s sleeping position and any medications they may be taking.
  • Bi-level positive airflow pressure (BiPAP): These machines may be suitable for individuals who cannot use CPAP devices or those who have high carbon dioxide levels in their bloodstream. These devices come with two pressure settings, as they provide a reduced airflow for exhalation and a high airflow for inhalation.

Learn about CPAP machines for side sleepers.

A person should consult a doctor if they think they have sleep apnea. Symptoms can include:

  • experiencing interrupted breathing during sleep
  • making gasping noises when asleep
  • snoring loudly
  • regularly waking during sleep time
  • experiencing tiredness, mood swings, and poor concentration during waking hours
  • waking up with a headache

These are commonly asked questions about CPAP machines.

Which company makes the best CPAP machine?

Many companies stock CPAP machines, and it is difficult to say which one ranks on top.

People who require the use of a CPAP machine may check the features the machine comes with and other factors that may suit their lifestyle. For example, regular travelers may opt for a travel-friendly design.

What is better than a CPAP machine?

CPAP machines are considered the gold standard treatment for sleep apnea.

The NHLBI states that doctors may recommend using oral devices if a person cannot use a CPAP machine. These fit in the mouth and open the airways while the user sleeps.

Surgery may be an option if treatment does not work. This may involve removing the tonsils or placing an implant that controls breathing muscles.

Can I purchase a CPAP machine on my own?

People require a doctor’s prescription to buy a CPAP machine. They may also check if their insurance company can cover some of their treatment costs, as out-of-pocket fees can be expensive.

Which device is best for sleep apnea?

CPAP machines and oral devices can be beneficial for people with sleep apnea.

Those with the condition may seek medical advice if they have any of these symptoms:

  • daytime tiredness
  • loud snoring
  • anxiety
  • concentration difficulties
  • restless sleep

Physicians can evaluate the symptoms and suggest the right treatment plan.

A person with sleep apnea may benefit from the use of a CPAP machine during sleep, as it provides continuous airflow and keeps the airways open.

CPAP machines require a prescription, and they generally have quiet motors and a lightweight design so people can use them when traveling.

Most of these machines do not come with a mask, so a person may need to purchase this separately.

However, CPAP machines and all related supplies are covered by most insurance companies for a diagnosis of sleep apnea.