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MarylandCPAPer wrote:Based on my experience so far, I think the Airsense 10 should come with a larger capacity water tank.

Unfortunately, it doesn't.

Several people have responded to your threads with what is most likey the solution.

You need to increase the humidity in the room you are sleeping in by adding a humidifier to the room.

Krelvin wrote: Several people have responded to your threads with what is most likey the solution. You need to increase the humidity in the room you are sleeping in by adding a humidifier to the room.

I mentioned a room humidifier as a possibility in my first post. I suppose my question is "What length of time are people accustomed to getting from their humidifier water tanks in cold weather and is a maximum of 6 hours "normal"?" Based on my experience and current serious illness, I would say that it is NOT healthy for one's lungs to sleep with the humidifier tank run dry, mine has started running out at less than 6 hours, and I typically sleep more than 6 hours per night. Now I have a serious case of something like bronchitis, which has not been my experience in past years, so I think the A10 CPAP machine s a problem.has

Maybe I was spoiled, but the same amount of water in a PR System One humidifier for 5 years set at the highest humidification level never ran out in less than one night of sleep, so it has never been an issue before. I have a furnace humidifier and my house is not as dry as a desert.

Does a full humidifier tank last most people for an entire night of sleep?

MarylandCPAPer wrote:Does a full humidifier tank last most people for an entire night of sleep?

Might want to clarify and target responses from just the AirSense/AirCurve users.
Apples to apples and not include S9 or PR S1 machines....

Your situation is not the norm for AirSense users. You are the first that I know of to complain of the water being totally used up too soon during the night. Most people are on the other end of the spectrum and wonder why their machines aren't using much water.

Water consumption is driven by ...
Ambient room humidity being the primary factor.
Pressure and leaks being secondary factors.

I would still complain to the equipment supplier because I would be wondering if something is wrong with the heater plate or sensors because your problem is not a common problem.
I would also check on getting a humidity measurement tool and putting it next to the cpap machine to see exactly what the room air humidity is at the machine level.

[quote="Does a full humidifier tank last most people for an entire night of sleep?[/quote]

I use the Airsense 10 Autoset For Her. I slept 10 hours last night. My tank water level line shows I used slightly over 1/2. I fill the tank every night however once or twice I have forgotten and the tank has not run dry. My settings are not the same as yours and that may make a difference. Seems like you should be comparing with people who use similar humidification and temperature settings? I also agree you need to get your machine checked out by your DME.

I too have airsense, used to have PR1
I use climateline hose, before got climateline I got rainout with slimline hose [ with pr1 used aussie heated hose to stop rain]

I sleep 7 to 8 hours-- machine set on auto [ you must have climateline to set on auto]

I use perhaps 3/4 tank each night- to me slightly more than PR1

I think you have malfunctioning airsense cpap- yours is doing something different than mine

We have this problem with a number of folk who have the Humidity Setting on "automatic". Once humidity is no longer on automatic all improves. 2 cents from Canada.

CanadaVoice wrote:We have this problem with a number of folk who have the Humidity Setting on "automatic". Once humidity is no longer on automatic all improves. 2 cents from Canada.

My humidity level has never been set on automatic. It is set on 5 or 6, with the highest available level being 8. I used to run my PR System One at the highest humidifier setting (5) all the time and never ran out of water in one night. I would empty the water and refill it each night.

I tried the Climateline hose with an automatic setting for 2 hours recently, just to see if it made a difference. It did--the water tank was half full after 2 hours. I switched back to the non-heated hose and the water lasted 5 hours, a slight improvement.

As mentioned previously, I am disappointed with the A10 because of the water chamber. I have to refill every night and never did with my S9.

Guest wrote:As mentioned previously, I am disappointed with the A10 because of the water chamber. I have to refill every night and never did with my S9.

Laying asside fact that you are supposed to change the water daily in any humidifier (not just cpap humidifiers), how is this such a big disappointment? It takes 10 seconds to fill the tub. I take the tub with me to empty when I clean my mask in the morning, and fill it up right before bed. The design is so simple as to render any and all maintenance trivial.

MarylandCPAPer wrote:

CanadaVoice wrote:We have this problem with a number of folk who have the Humidity Setting on "automatic". Once humidity is no longer on automatic all improves. 2 cents from Canada.

My humidity level has never been set on automatic. It is set on 5 or 6, with the highest available level being 8. I used to run my PR System One at the highest humidifier setting (5) all the time and never ran out of water in one night. I would empty the water and refill it each night.

I tried the Climateline hose with an automatic setting for 2 hours recently, just to see if it made a difference. It did--the water tank was half full after 2 hours. I switched back to the non-heated hose and the water lasted 5 hours, a slight improvement.

I'd guess that you're either inhaling a heck of a lot of water vapor or, you have serious leakage somewhere and the water is going there instead of into your body. I'd feel like I had double pneumonia if I used up a whole tank of water in one sleep period ! (7-8 hrs.) If that high level of air humidification is what you really are comfortable with, I'd suggest using one of the auxiliary, in-line units to supplement the A-10's capacity. (assuming no unusual air leaks are the cause) Good luck.

Gasper62 wrote:]

I'd guess that you're either inhaling a heck of a lot of water vapor or, you have serious leakage somewhere and the water is going there instead of into your body. I'd feel like I had double pneumonia if I used up a whole tank of water in one sleep period ! (7-8 hrs.) If that high level of air humidification is what you really are comfortable with, I'd suggest using one of the auxiliary, in-line units to supplement the A-10's capacity. (assuming no unusual air leaks are the cause) Good luck.

When using the A10, I do not feel like there is any humidity at all in the tube or mask. I am waiting for a replacement water tub from my DME before I raise hell about this with the DME, assuming I am not still sick then and have enough energy to fight. Right now, all I have the energy to do is sleep.

I am hoping (not very hopefully) that the replacement water tub holds 380 ml (as advertised in the A10 specs) and not the 325 ml that mine holds. I think 380 ml might be adequate, whereas 325 ml is not.

Hello I am a new member but I am having problems with Airsense 10 Humidifier Tank Running Dry... I’ve had it for about four months and have the setting as low as it will go and I still run dry of water before I wake and the reservoir metal appears over heated with residual chalky dry stuff on surface. I use only distilled water. I think I will try and return it because of the information I have read here about others that have the same issues. I have noticed if I happen to sleep only about 5 1/2 hours there is a tiny amount of water in tank... I sometimes sleep eight hours but without water I get really dry mouth after about 5 to 6 hours. Thanks for allowing me to join and make comments.
DRN

First thing to do is to install SleepyHead and look at your charts. The most common reason for running out of water is excessive air leaks. How long have you been on cpap? What do your numbers look like? Please fill in the equipment section of your profile.

I have only gotten chalky deposits when I used reverse osmosis (RO) water.
It was free, and the manager of the Fresh Thyme natural grocery said it was the "same as distilled".
What an ignorant twit! But I got two nice jugs with screw tops instead of the caps that pop off.

DRN wrote:Hello I am a new member but I am having problems with Airsense 10 Humidifier Tank Running Dry... I’ve had it for about four months and have the setting as low as it will go and I still run dry of water before I wake and the reservoir metal appears over heated with residual chalky dry stuff on surface. I use only distilled water. I think I will try and return it because of the information I have read here about others that have the same issues. I have noticed if I happen to sleep only about 5 1/2 hours there is a tiny amount of water in tank... I sometimes sleep eight hours but without water I get really dry mouth after about 5 to 6 hours. Thanks for allowing me to join and make comments.
DRN

As the original poster on this issue, I can update my experience. I now have 2 humidifier tanks and in the winter time, need to fill both and be able to switch to the 2nd one sometime during my sleep. In the summer, with central a/c and the humidity in the house set to zero, I have no problems with the water tank running dry.

I have not addressed this with the DME, but may this winter. I have forced hot air heat with a humidifier on the furnace turned up to 100 percent in the winter, and I cannot get through a night without the A10 water tank running out of water.

I have checked my data on Sleepyhead and Rescan software. There are no large leaks or other apparent causes for the water tank running dry in the winter long before i am finished sleeping.