There is no efficiency data that I can get to on my machine. I can access the clinical menu, but it doesn't have efficiency data in it. I have the Escape 2, from what I understand, it doesn't list that type of data on the LCD screen. Yes, the mask is comfortable, but it's not working. No matter what...

I have the Escape 2. No matter how tight I have the mask, it just doesn't seem like I can get a good fit. Or the vents are possibly broken which is why the air rushing out is so loud. It keeps me up and keeps the girlfriend up too. It's become unbearable and I don't even want to wear it anymore. Sho...

I have the ResMed S8 machine and the Mirage Liberty mask. The last few months have been horrible. I don't know if there's major leaks, or if the mask and/or machine is defective. I get woken up 20+ times per night because of the sound of air rushing out of the mask. I sometimes snore with the mask o...