Q: Which CPAP machines have the largest humidifiers/water chambers?
We get this question often, so we have put together a table in which you have a convenient picture of the best-selling CPAPs in terms of the capacity of their humidifiers or water chambers.
| CPAP Machine | Humidifier Capacity |
| ResMed AirSense 10 CPAP (or Elite) - Manual | 380 ml |
| ResMed AirSense 11 AutoSet CPAP with HumidAir | 380 ml |
| Resvent iBreeze Auto CPAP Machine with Heated Humidifier | 290 ml |
| Fisher & Paykel SleepStyle Auto CPAP | 380 ml |
| APEX Medical XT Auto CPAP Machine with Heated Humidifier | 300ml |
| ResMed S9 AutoSet CPAP w/ H5i Humidifier | 380 ml |
| Devilbiss IntelliPAP 2 AutoAdjust CPAP Machine | 375 ml |
| Devilbiss IntelliPAP Auto Bi-level Machine | 400 ml |
| Resvent iBreeze Auto BiPAP ST Machine with Heated Humidifier | 290 ml |
| ResMed AirCurve 10 ST-A with HumidAir | 360 ml |
