Types of CPAP Machines


- Stands for “continuous positive airway pressure”
- Provides users with one constant pressure as they inhale while asleep to keep their airway open
- Equipped with several features and functions to help sleep apnea patients be comfortable at night


- Stands for “automatic positive airway pressure”
- Auto-adjusts to raise or lower the pressure based on the patient’s needs and breathing patterns
- Delivers only the minimum pressure needed to prevent the airway from collapsing, enhancing comfort during treatment


- Stands for “bi-level positive airway pressure”
- Delivers two separate pressures to the sleep apnea patients, one while they inhale and one while they exhale
- Most often offers a wider range of pressures, accommodating those who have more severe sleep apnea
Features of a CPAP Machine
CPAP Machines vary in features, so it’s important to know which ones matter to you.
| Feature | Function |
|---|---|
| Noise Level | A typical CPAP machine operates at a noise level of 30 decibels, equivalent to the sound of a quiet library. While this is quiet for most users, light sleepers or bed partners may find it disruptive. For minimal noise, look for machines that operate at 30 dBa or less. |
| Design | Newer models are designed with a modern and sleek appearance. They include large buttons and user-friendly touchscreens, making them easy to operate. These machines are compact and sit nicely on a nightstand without taking up much space, blending into any bedroom environment. |
| Auto-Adjusting | Some machines feature an auto-adjusting mechanism that detects a user’s breathing pattern and makes real-time adjustments to deliver the most suitable pressure setting. This ensures optimal therapy for varying breathing needs during sleep. |
| Exhalation Relief | Known as EPR (Expiratory Pressure Relief), this feature reduces the air pressure a user experiences while exhaling. This makes exhalation easier and increases comfort during therapy. It is particularly useful for new users who are getting accustomed to CPAP therapy and those with higher pressure requirements. |
| AutoRamp | The AutoRamp feature starts CPAP therapy at a lower pressure than prescribed, making it easier to fall asleep. Once the machine detects that the user is asleep, it automatically increases the pressure to the prescribed level. This provides a smoother transition into therapy, particularly for those who find high pressure levels uncomfortable at bedtime. |
| Humidity | A CPAP humidifier adds moisture to the pressurized air, preventing dryness and irritation in the nasal passages and throat. The humidifier is a small tank that should be filled with distilled water. Moisturized air enhances comfort and can help alleviate issues like dry mouth and nosebleeds that may occur during therapy. |
| Sleep Tracking | Some CPAP machines are equipped with sleep tracking capabilities. They collect data on breathing patterns, sleep stages, and therapy usage. This information helps users and healthcare providers assess the effectiveness of the therapy and make necessary adjustments for improved sleep apnea management. |
| FAA-Approved | Certain CPAP devices, especially travel models, are approved by the FAA for use on airplanes and other forms of transportation. This ensures users can maintain therapy continuity while traveling, making these devices ideal for frequent flyers or those with travel requirements. |


Things to Consider When Choosing a CPAP Machine So You Know it’s Good for You
- What type of machine do I need?
- Which features (noise level, size, etc.) are important to me?
- Do I travel and need a portable machine, or should I buy one more geared toward home use?
- How do I get a CPAP prescription for therapy?
Skeptical of buying a CPAP machine Online? Don’t worry, The CPAP Shop has been a trusted medical supply retailer for over 20 years. Learn more about buying a CPAP machine online here.
CPAP Machine Brands
The CPAP Shop proudly offers CPAP machines from top-selling brands that excel in performance and comfort.


Resvent is a world leader in respiratory equipment, offering a CPAP machine product line, iBreeze, that is designed to help patients compliance with therapy.


Trascend’s mission is to deliver effective sleep apnea treatment in devices that are suitable for all CPAP users, including those who live active lifestyles with frquent travel plans and varying sleep locations.


Breas Medical is a leading manufacturer of medical equipment for sleep apnea treatment. Breas created and sells high-quality CPAP products that improve a person’s quality of life. They are committed to innovation and quality in all of their product offerings.
Popular CPAP Machine Accessories for the Best Possible Treatment


CPAP Cleaning Machines
CPAP Cleaning Machines and Sanitizers are engineered to clean the parts of a CPAP or BiPAP machine, effectively killing bacteria for safer, more compliant therapy.


CPAP Cleaning Supplies
Other supplies include CPAP cleaning wipes, cleaning solutions, and other accessories that encourage the proper sanitization of all CPAP products.


CPAP Filters
CPAP filters remove any dust, dander, or other particles from the air to allow CPAP users to breathe in clean, purified air during CPAP treatment.
Still Have Questions?
Our team at The CPAP Shop would be happy to help you!
Replacement Schedule of CPAP Machine Parts
- Cushions: every 3 months
- Headgear: every 6 months
- Filters: look at your
machine manufacturer’s
instructions - Humidifiers: every 6 months
- Tubing: every 90 days
- Machine: every 5 years
Cleaning and Maintenance of CPAP Equipment - The CPAP Shop
Daily cleaning and maintaining CPAP equipment is very important. This article by The CPAP Shop details how and


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CPAP Machine FAQs
For someone who has been diagnosed with sleep apnea, CPAP therapy is the most common and effective treatment option. A CPAP machine helps to keep a patient’s airways open throughout the night via a constant flow of pressurized air to prevent the throat from collapsing at night. The use of a CPAP machine reduces apnea events and allows users to breathe more easily.
A CPAP machine takes in the ambient air and pressurizes it according to the user’s prescribed setting. It then delivers the air via a CPAP tube and CPAP mask.
Yes, CPAP machines require a prescription prior to your purchase. Submitting a prescription to The CPAP Shop is simple! Check our our submittal page here.
At The CPAP Shop, we are determined to price our items as low as possible to give sleep apnea patients convenient access to the best CPAP products. While we do not accept insurance, we can provide an itemized receipt that you can independently submit to your insurance provider for potential reimbursement.
Once you take a sleep study to diagnose you with sleep apnea, your doctor will know what CPAP pressure to prescribe you with to see the best possible results. Once you are accustomed to your CPAP therapy, you will notice you are receiving better sleep, snoring less, are not as tired throughout the day, and more.
Yes, it is safe to buy the CPAP machines online if you are purchasing the product from a trusted online retailer like The CPAP Shop.



















