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BiPAP® and BiLevel Machines

BiPAP machines use bi-level positive airway pressure to deliver higher pressure settings at inhalation and lower pressure settings at exhalation to comfortably treat Central and Complex Sleep Apnea. BiPAP machines share many comfort features with standard CPAP machines like Ramp, Auto Start/Stop, and multiple levels of humidification. BiPAP machines are available with both fixed pressure and auto-adjusting pressure. ST, AVAPS, and SV/ASV BiPAP machines are also available as non-invasive treatments options for respiratory conditions like COPD, OHS, and muscular conditions that restrict breathing. Shop our BiPAP machines by feature, price, or brand below.

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Product image for AirCurve™ 10 VAuto BiLevel Machine with HumidAir™ Heated Humidifier

AirCurve™ 10 VAuto BiLevel Machine with HumidAir™ Heated Humidifier

★★★★★
27 Reviews
$1776.00
Free Shipping
Save $250.00
Product image for Luna G3 BPAP 25A Bi-Level CPAP Machine

Luna G3 BPAP 25A Bi-Level CPAP Machine

$1749.00 $1999.00
Free Shipping
Product image for AirCurve™ 10 S BiLevel Machine with HumidAir™ Heated Humidifier

AirCurve™ 10 S BiLevel Machine with HumidAir™ Heated Humidifier

★★★★★
4 Reviews
$1776.00
Free Shipping
Save $400.00
Product image for Luna G3 BPAP 30VT Bi-Level CPAP Machine

Luna G3 BPAP 30VT Bi-Level CPAP Machine

$2699.00 $3099.00
Product image for DreamStation BiPAP® Auto Machine

DreamStation BiPAP® Auto Machine

★★★★★
13 Reviews
Product image for DreamStation BiPAP® Pro Machine

DreamStation BiPAP® Pro Machine

★★★★★
4 Reviews
Product image for IntelliPAP AutoBiLevel Machine with SmartCode

IntelliPAP AutoBiLevel Machine with SmartCode

★★★★★
11 Reviews
Product image for IntelliPAP BiLevel Machine with SmartCode

IntelliPAP BiLevel Machine with SmartCode

★★★★★
22 Reviews
Product image for S9 VPAP™ Auto BiLevel Machine

S9 VPAP™ Auto BiLevel Machine

★★★★★
7 Reviews
Product image for S8 VPAP™ Auto 25 BiLevel Machine

S8 VPAP™ Auto 25 BiLevel Machine

★★★★★
4 Reviews
Product image for PR System One REMstar BiPAP Auto with Bi-Flex

PR System One REMstar BiPAP Auto with Bi-Flex

★★★★★
12 Reviews
Product image for PR System One REMstar BiPAP Pro with Bi-Flex

PR System One REMstar BiPAP Pro with Bi-Flex

★★★★★
2 Reviews
Product image for S8 VPAP™ Auto with bag, hose and manuals

S8 VPAP™ Auto with bag, hose and manuals

★★★★★
2 Reviews
Product image for M Series BIPAP Auto with Bi-Flex

M Series BIPAP Auto with Bi-Flex

★★★★★
39 Reviews
Product image for REMstar BiPAP Auto with Bi-Flex

REMstar BiPAP Auto with Bi-Flex

★★★★★
17 Reviews
Product image for M Series BIPAP Plus with Bi-Flex

M Series BIPAP Plus with Bi-Flex

★★★★★
7 Reviews
44 Items |

Learn About BiPAP® and BiLevel Machines

BiPAP is short for Bilevel Positive Airway Pressure, also referred to as a Bilevel CPAP machine. BiPAP machines are similar to CPAP machines; however, BiPAP machines offer a greater level of breathing support. Much like a CPAP machine, a BiPAP or bilevel machine sends air into your mask via tubing. While CPAP provides a single, constant pressure, BiPAP uses two distinct pressure settings: one for inhaling and one for exhaling.

Why Buy a BiPAP Machine?


While there’s some aspect of choice when deciding between APAP and CPAP, most people won’t truly be considering a BiPAP machine unless otherwise ordered by their healthcare provider. Here are a few reasons someone might choose a BiPAP machine:

  • Chronic Obstructive Pulmonary Disorder (COPD)
  • Obstructive, Central, or Complex Sleep Apnea
  • Obesity Hypoventilation Syndrome (OHS)
  • Heavily Impaired Natural Breathing
  • Pneumonia
  • Poor Breathing Post-Operation


If breathing is always or almost always difficult for you, or if you have difficulty swallowing, a BiPAP may not work for you and your healthcare provider may need to recommend a more invasive form of ventilation.

Types of BiPAP Machines for Sale


There are many BiPAP machines that feature heated humidification, such as the ResMed AirCurve 10 and Luna G3 BiPAP. Other features that different bilevel machines will typically feature include:

  • Climate Control
  • Ramp Settings
  • Whisper Quiet Operation
  • Data Tracking
  • Auto Start/Stop


When prescribing BiPAP therapy, your healthcare provider may recommend a specific BiPAP model or specific machine features they want your machine to have. While you may be able to find a cheaper and smaller BiPAP machine that's more budget-friendly, you'll usually be sacrificing some sort of data tracking or comfort feature that could make life much easier.

Compact, travel BiPAP machines are few and far between, and while BiPAP machines are more expensive than CPAP machines on average, you'll want to make sure to choose a BiPAP machine that will do everything you need it to in favor of saving money. 

More Reasons to Shop at CPAP.com

Between doctor’s appointments, sleep studies, and dealing with your insurance, navigating the world of CPAP and BiPAP therapy can be overwhelming, which is exactly why we’re here to help! Our award-winning customer service team is available Monday through Friday from 8 a.m. to 8 p.m. and Saturdays from 8 a.m. to 5 p.m. (CST) at 1-800-356-5221 to answer any questions you may have during your therapy journey. 

Our comparison chart can help you decide on a mask when you’re ready for the next step and our free online forum is full of testimonials and useful tips and tricks from people who have been living with sleep apnea for years.

Frequently Asked Questions

  • Are BiPAP Masks the Same as CPAP Masks?

    Yes, BiPAP and CPAP masks are one in the same. BiPAP machines use the same hose dimensions as CPAP machines, which means there are no unique connectors or size differences, allowing you to use your CPAP mask interchangeably with the majority of CPAP, APAP, or BiPAP machines.

  • Are BiPAP Machines Loud?

    BiPAP machines are no louder than CPAP machines and average around 26 to 33 decibels during operation, or the same volume as a whispered conversation. If you find that your machine is too noisy, check for air leaks in your mask and tubing, or try sleeping with earplugs if your equipment appears to be functioning correctly.

  • Why Are BiPAP Machines More Expensive Than CPAP Machines?

    Where CPAP machines use one set pressure, BiPAP machines feature two distinct pressures for treating Central Sleep Apnea and other respiratory diseases, such as COPD or OHS. Unlike CPAP machines, some BiPAP machines can even deliver breaths on a timed basis, and can even initiate breathing if you don’t inhale after a set amount of time. Due to their advanced features and treatment capabilities, BiPAP machines are typically more expensive than CPAP machines.

  • How Long Does a BiPAP Machine Last?

    A BiPAP machine, when maintained properly, should last between three and five years, and most experts recommend a new machine after five years of ownership. Ensure that your air filter is regularly cleaned or replaced (depending on your machine’s filter type) to avoid dust buildup that can cause problems inside your machine.

  • Can I Use a BiPAP Machine With an Oxygen Concentrator?

    Yes, you can use your oxygen concentrator with BiPAP, typically with the help of an Oxygen Enrichment Adapter, which is placed after your humidifier or before your CPAP mask. Some masks may even feature an oxygen port directly on the frame for easy integration.

  • How Often Should a BiPAP Machine Be Cleaned?

    Cleaning the machine itself isn’t as important as keeping your tubing, cushion, mask, and humidifier chamber clean. By following the recommended cleaning schedule for these items, and especially by replacing or cleaning your air filter on a regular basis, your machine will continue to function normally and your health will not be compromised by unclean equipment.


Customer Highlights


AirCurve™ 10 VAuto BiLevel Machine with HumidAir™ Heated Humidifier
AirCurve™ 10 VAuto BiLevel Machine with HumidAir™ Heated Humidifier

Great Machine

Was using a ResMed S9 for 6 years and the motor finally gave out. Found out the AirCurve 10 is the new model. Has been great so far this first week. Did not realize mine was not functioning as well as it should. Very happy with the service, customer service was excellent.

Verified Purchase 2018-03-27