Can you use CPAP without water?
Can you use CPAP without water? Don't Use Water If you don't want to take the risk, you can use a CPAP machine without the humidifier element, and therefore, without water. The machine will continue to work and will simply use dry air. Just remember to turn off the humidifier unit.
Is it safe to use resmed CPAP without water?
Your device will function normally and safely without water in the tub, but it will no longer provide humidification.