CPAP Machines with the Largest Humidifiers – Water Chambers

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