What Is a BiPAP Machine and Who Uses One?
If you've ever felt like you're fighting to exhale against your CPAP's steady airflow, that's the exact problem BiPAP is designed to solve. A BiPAP machine (short for bilevel positive airway pressure) delivers two separate pressure levels, a higher one when you inhale and a lower one when you exhale. That's different from a standard CPAP machine, which delivers one continuous pressure throughout your breathing cycle. For some people, that distinction makes breathing against the airflow feel more natural and comfortable, especially during exhalation.
BiPAP machines are typically prescribed for people who need more breathing support than a standard CPAP or APAP machine provides, including some people managing obstructive sleep apnea or central sleep apnea. Like CPAP and APAP machines, BiPAP machines are classified as Class II medical devices. This collection features trusted options from ResMed and 3B Medical, built for a range of prescriptions and comfort needs, whether you're starting BiPAP therapy for the first time or replacing an existing machine.
Explore Our BiPAP Machine Selection
This collection includes machines built for a range of needs and budgets.
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Model
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Brand
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Pressure Mode
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Humidification
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Best For
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AirCurve 10 VAuto
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ResMed
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Auto-adjusting bi-level
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Separate humidifier chamber
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Prescriptions needing real-time pressure adjustment
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AirCurve 11 VAuto
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ResMed
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Auto-adjusting bi-level
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Built-in HumidAir
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Simplified all-in-one setup, no separate chamber
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Luna G3 BPAP 25A
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3B Medical
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Fixed bi-level
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Separate humidifier chamber
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Standard bi-level therapy prescriptions
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Luna G3 BPAP 30VT
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3B Medical
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Volume-targeted bi-level
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Separate humidifier chamber
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Prescriptions requiring volume-targeted support
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The ResMed AirCurve 10 VAuto offers auto-adjusting bi-level pressure that responds to your breathing patterns throughout the night. The AirCurve 11 VAuto steps things up with built-in HumidAir humidification, giving you a true all-in-one setup without a separate humidifier chamber to manage. On the 3B Medical side, the Luna G3 BPAP 25A delivers reliable bi-level therapy, while the Luna G3 BPAP 30VT adds volume-targeted pressure support for prescriptions that call for that added layer of control. Whether you're new to sleep apnea therapy or replacing an aging machine, there's an option here suited to your setup.
How Do You Choose the Right BiPAP Machine?
While your prescription will help you choose the right machine, if this is your first BiPAP purchase, here's what matters most:
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Pressure settings: Your prescription will specify the inhale and exhale pressure levels your machine needs to deliver.
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Therapy mode: Some machines, like the AirCurve 10 VAuto, auto-adjust pressure in real time. Others, like the Luna G3 BPAP 30VT, offer volume-targeted modes for more precise support. Your provider will indicate which mode fits your needs.
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Humidification: If built-in humidification is a priority, the AirCurve 11 VAuto keeps things simple with an integrated HumidAir chamber.
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Data and connectivity: Many BiPAP machines let you monitor therapy data night to night, which can be a helpful context for follow-up appointments with your provider about treating sleep apnea.
BiPAP machines are prescription medical devices, so have yours on hand (or ready to submit) before ordering. Our support team can help you sort through specs, though we always recommend confirming therapy settings with your prescribing provider.
Why Buy Your BiPAP Machine from CPAP.com?
We carry a wide selection of CPAP and BiPAP machines from top brands, backed by our 60-Night Guarantee and award-winning GPAP Guides. Browse the collection, or reach out to our team if you'd like help finding the right machine for your prescription.
