Thanks for all the advice and suggestions. Yes she's getting older (67), yet she feels comfortable using the external humidifier with the old machine, instead of the new ResMed. Over the last 20 years we've had, I know, at least 2 CPAP units and more likely 3. When she first got the RemStar about 5-...

Yes that link is the correct ResMed I'm using. I've tried the manual mode and the highest 86 degrees and the highest humidity of 8. I warmed it up also before use. The manufacturer suggested one last test, to try and reduce the humidity to 5 or 6. When I did his last test I didn't tell my wife I was...

Thank you for the suggestions and the info. Do you happen to know if Apria is correct in saying that the manufactures are not giving us the warm air like we're used to getting with the older machines?

I'm trying to replace my wife's CPAP and Apria sent us a ResMed machine with a heated tube and there are no settings that have the air warm enough for my wife. They sent us a 2nd unit with the same problem. They can send us a Respironics, but said my wife may not be pleased with that one either, bec...