CPAP Newsletter

CPAP Newsletter: The Difference Between APAPs and CPAPs

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Do You Know the Difference Between CPAPs and APAPs?

EV3 Continuous Positive Airway Pressure

  • CPAP machines are the most common way to treat Sleep Apnea.

  • CPAPs blow air at a constant set pressure.

  • A CPAP gets "titrated" to a prescribed pressure setting. This pressure indicates the air flow necessary to keep your air passages open.


  • AutoSet II Automatic Positive Airway Pressure

  • Instead of blowing a constant set pressure, APAP machines are set to disperse air in a range of pressures.

  • APAPs detect the minimum pressure needed to keep your airways open, where CPAPs deliver one set pressure at all times.

  • APAPs deliver your ideal air pressure breath by breath.


  • EV3 Why Use an APAP instead of a CPAP?

  • Many users prefer APAPs because they emit the lowest pressure necessary to keep airways open, not the highest pressure.

  • APAPs have all the same options available with CPAPs, often with more features like therapy tracking and advanced airflow settings.

  • APAPs are great at adapting to changing pressure needs caused by alcohol consumption before bed or weight loss / gain.

  • Active sleepers often like APAPs because pressure settings can accommodate different sleep positions.

  • An APAP can function as an APAP, or it can be switched to CPAP mode and run like a traditional CPAP machine.

  • While APAPs are considered more sophisticated than CPAPs, they can be purchased with the same prescription as a CPAP..

  • Check out our APAPs! View our comparison guide.

  • Shop APAPs!