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[Equipment] Air pressure making noise
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genieangel Offline

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Posts: 6
Joined: May 2016

Machine: Airsense 10 Autoset for Her
Mask Type: Nasal pillows
Mask Make & Model: Respironics Comfortlite 2
Humidifier: Airsense comes with humidifier
CPAP Pressure: 6-20
CPAP Software: Other Software

Other Comments:

Sex: Female
Location:

Post: #1
Question Air pressure making noise
I'm using a nasal mask, the Mirage FX. Most time it's OK, but sometimes I am hearing the air coming out of my mask from the pressure. It's not a leak, it's just the normal air expelling because I push the mask against my face and it's still making that noise. On occasion I've checked the pressure and it was 9.

Any ideas? It's waking me up all night.
05-17-2016 07:08 PM
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justMongo Offline

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Posts: 3,840
Joined: Sep 2013

Machine: ResMed VPAP Auto (S9)
Mask Type: Full face mask
Mask Make & Model: ResMed Mirage Quattro
Humidifier: ResMed H5i
CPAP Pressure: 18 IPAPmax - 11 EPAPmin, PS=5
CPAP Software: Other Software

Other Comments: μολὼν λαβέ

Sex: Male
Location: Калифорния

Post: #2
RE: Air pressure making noise
It's probably just the vent holes. Nothing you can do about it as they are required to flush expelled air from the mask.
Perhaps your hearing is more sensitive than other people.

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05-17-2016 07:14 PM
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Crimson Nape Offline

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Posts: 1,326
Joined: Oct 2014

Machine: ResMed S9 Autoset
Mask Type: Other
Mask Make & Model: P-10 / F&P Simplus / DreamWear
Humidifier: H5i w/Climateline
CPAP Pressure: 8 - EPR 3
CPAP Software: SleepyHead

Other Comments: CMS-50F & 50IW

Sex: Male
Location: Georgia

Post: #3
RE: Air pressure making noise
Being periodic could mean that you're experiencing excessive humidity.

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05-17-2016 10:05 PM
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robysue Online
Wiki Editor
Advisory Members

Posts: 1,226
Joined: Oct 2013

Machine: PR Dreamstation BiPAP Auto
Mask Type: Nasal pillows
Mask Make & Model: Swift FX
Humidifier: PR Dreamstation humidfier
CPAP Pressure: min EPAP = 4; max IPAP = 9;
CPAP Software: SleepyHead EncoreBasic EncorePro

Other Comments: Papping since September 2010

Sex: Female
Location: Buffalo, NY

Post: #4
RE: Air pressure making noise
You may be hearing the exhaust venting hitting against your bedcovers or pillow. I occasionally have to nudge my hubby to get him to move ever so slightly so that his exhaust flow doesn't hit the covers.

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05-17-2016 10:09 PM
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cate1898 Offline

Advisory Members

Posts: 784
Joined: Aug 2015

Machine: PR System One 560BT Auto
Mask Type: Nasal pillows
Mask Make & Model: P10's/backup-DreamWear
Humidifier: PR attached
CPAP Pressure: 8.5 - 13. A-Flex 3
CPAP Software: SleepyHead

Other Comments: Began CPAP Therapy Sept. 11, 2015. Hx Hypertension, Post Graves Disease, chronic migraines.

Sex: Female
Location: Southern Ontario//SW Florida

Post: #5
RE: Air pressure making noise
Perhaps trying a different mask?

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05-18-2016 07:26 AM
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sdb7802 Offline

Advisory Members

Posts: 199
Joined: Jan 2016

Machine: PR DreamStation Auto
Mask Type: Nasal pillows
Mask Make & Model: ResMed AirFit P10
Humidifier: built-in with heated hose
CPAP Pressure: 9.5-14 C-Flex 3
CPAP Software: SleepyHead

Other Comments: Retired Electrical Engineer; began using cpap in 2001; FlashAir wifi card and FlashPAP app

Sex: Male
Location: Georgia, USA (The Margravate of Azilia)

Post: #6
RE: Air pressure making noise
The P10 nasal pillows has a diffuser type vent that is very quiet even if the venting air hits something.

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05-18-2016 07:34 AM
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green wings Offline

Advisory Members

Posts: 544
Joined: Feb 2016

Machine: Respironics System One RemStar Pro (460)
Mask Type: Nasal pillows
Mask Make & Model: AirFit P10
Humidifier: integrated humidifier
CPAP Pressure: 13.0 cm
CPAP Software: SleepyHead

Other Comments: using CPAP since Jan. 2016

Sex: Undisclosed
Location: US

Post: #7
RE: Air pressure making noise
Hi genie.

Good suggestions above, like making sure that the vent from your masking isn't hitting anything like the bed linens. That will cause more noise.

I use straight CPAP, but I have done a couple of auto PAP trials on my machine, and I did notice the difference sometimes when the machine ramped up pressure.

I have used two different masks, both nasal, since I started CPAP therapy this past winter, and the vent from the first one (Respironics Pico) was definitely louder than the Wisp mask that I use now.

If the sound continues to bother you, you may want to try another mask. Or you may get used to the sound.

I don't know where to link to it, but somewhere in the Wiki for this board, there's a graph of how air flow rate increases with treatment pressure.

That's why I said you may be noticing the increased air flow when your machine ramps up the pressure.

It's always difficult to tell from someone's description just how "much" something is, so I'm guessing that you're hearing more noise when the air flow from your machine increases.
05-18-2016 08:42 AM
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eseedhouse Online

Advisory Members

Posts: 878
Joined: Dec 2014

Machine: ResMed Airsense 10 Autoset
Mask Type: Full face mask
Mask Make & Model: SimPlus
Humidifier: ResMed
CPAP Pressure: 7-10
CPAP Software: SleepyHead

Other Comments: Also on supplemental O2 at 3L/min. while sleeping.

Sex: Male
Location: Victoria, British Columbia

Post: #8
RE: Air pressure making noise
There's always noise cancelling headphones. Don't laugh, I have an oxygen concentrater hooked into the system and the one I have is quite noisy. Like unable to sleep noisy and it's 20 feet away in another room. So I sleep each night with BOSE QC25 noise cancelling headphones on my head and with my full face mask I look like I'm piloting a jet plane or a space rocket. Well, OK laugh if you want to...

It's effective, but expensive since they cost more than 300 bucks, but I bought them for other reasons and they were a solution to hand.

Ed Seedhouse
VA7SDH

I am neither a Doctor, nor any other kind of medical professional.

Actually you know, it is what it isn't.
05-18-2016 07:10 PM
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