The CPAP Store

A whistling or hissing sound can be caused by blocked vents, leaks, or worn-out parts. To fix this, clean the vent holes and frame tubing to ensure proper airflow. Check for any cracks or damage to the cushion or frame, as these can create unwanted noise. If your mask is old, replacing worn-out parts may solve the problem.&#xA0;

A whistling or hissing sound can be caused by blocked vents, leaks, or worn-out parts. To fix this, clean the vent holes and frame tubing to ensure proper airflow. Check for any cracks or damage to the cushion or frame, as these can create unwanted n

Why is my N30i mask making a whistling or hissing noise?

Product Info

Masks

ResMed N30i

What are the different types of CPAP masks?

How do I know if my CPAP mask fits properly?

How often should I replace my CPAP mask?

How can I reduce CPAP mask leaks?

Can I wear my CPAP mask if I have facial hair?

How can I make my CPAP mask more comfortable?

How do I clean my CPAP mask?

Can I sleep on my side with a CPAP mask?

Why does my CPAP mask leave red marks or cause soreness?

What should I do if I feel claustrophobic with my CPAP mask?

How can I identify what mask I have?

How do I know which CPAP mask is right for me?

If a mask doesn’t fit, can I exchange it for a different size?

What is the difference between standard CPAP masks and “For Her” versions?

How do I use the ResMed mask sizing template correctly?

How do I select the correct size frame?

What are the components of a CPAP mask, and how often should they be replaced?

General Mask Questions

Is the F20 good for high pressure?

Why Should I Use a Full-Face CPAP Mask?

What is the difference between the ResMed AirFit F20 and AirTouch F20?

How do I choose between the AirFit F20 and AirTouch F20?

How do I stop leaks with my AirFit or AirTouch F20 mask?

Can I wash the AirTouch F20 memory foam cushion?

How often should I replace the cushion on the AirFit and AirTouch F20?

Does the AirFit and AirTouch F20 work with all CPAP machines?

Can I use the AirFit or AirTouch F20 if I have facial hair?

How do I know what size AirFit or AirTouch F20 I need?

Can I use the AirFit or AirTouch F20 with an oxygen concentrator?

What are the benefits of the ResMed QuietAir elbow on the F20 masks?

ResMed F20

What makes the ResMed AirFit F30 different from other full-face masks?

Is the AirFit F30 good for side sleepers?

How do I stop leaks with the AirFit F30?

Is the AirFit F30 compatible with my CPAP machine?

ResMed F30

What is the ResMed AirFit F40, and how does it differ from other full-face masks?

Is the AirFit F40 suitable for side sleepers?

Why is the ResMed AirFit F40 Better Than the F30?

How do I clean and maintain the AirFit F40 mask?

How often should I replace parts of the AirFit F40 mask?

Is the AirFit F40 compatible with all CPAP machines?

Is the Resmed F40 a quiet mask?

What are the headgear sizes for the ResMed AirFit™ F40 full face mask?

ResMed F40

Is the AirFit F30i good for side sleepers?

Are top mounted CPAP masks louder than front mounted masks?

Does the AirFit F30i leave red marks on the face?

Does the AirFit F30i work well with high-pressure settings?

Is the AirFit F30i compatible with all CPAP machines?

How do I clean the AirFit F30i mask?

ResMed F30i

What’s the difference between the AirFit N20 and the AirTouch N20?

Are the cushions interchangeable between the AirFit and AirTouch N20?

Can I clean the AirTouch N20 memory foam cushion?

The AirTouch N20 memory foam cushion should not be washed with water. Instead, gently wipe it daily with a CPAP mask wipe or non-alcoholic cloth. It's designed to be replaced more frequently—typically every 30 days.

Does the N20 work with the ResMed AirMini travel CPAP?

How do I know which cushion size is right for me?

ResMed N20

Why is the ResMed P10 so popular?

Why does my AirFit P10 headgear keep slipping off during the night?

Why is my ResMed P10 mask making a whistling or hissing noise?

Why do my nostrils feel sore or irritated after using the AirFit P10?

Why is my AirFit P10 mask leaking air at night?

Why is it hard to exhale with the AirFit P10?

How often should I replace parts of the AirFit P10 mask?

How do I clean and maintain the ResMed P10 mask?

Is there a AirTouch P10 Mask?

What is similar to the P10 but without pillows?

What’s the difference between the AirFit™ P10 and the Swift™ FX nasal pillow masks?

ResMed P10

Why is my ResMed P30i mask leaking air?

Why does my P30i mask feel too tight or too loose?

Why does my P30i mask make a whistling or hissing noise?

Why does my nose feel sore after using the P30i?

Can I use a top mounted mask like the P30i, while sleeping on my side?

Can the P30i cushion and N30i cushion be interchanged?

ResMed P30i

What is the difference between the P30i and N30i?

Are top-of-head masks louder to the user than other CPAP masks?

Is the ResMed AirFit N30i good for side sleepers?

How do I stop air leaks with the N30i mask?

How often should I replace the N30i cushion and headgear?

Does the N30i have an AirTouch version?

What is the difference between AirTouch and AirFit N30i?

Can I use a P30i nasal pillow cushion on an N30i mask?

What type of mask is the ResMed AirFit N30?

Can I use the AirFit N30 if I breathe through my mouth at night?

Is the AirFit N30 compatible with all CPAP machines?

What makes the AirFit N30 different from other nasal masks?

Can I wear the AirFit N30 if I’m a side sleeper?

Does the AirFit N30 have a fit guide?

Is the AirFit N30 a good choice for people with claustrophobia?

Why does the AirFit N30 leak and what are better options?

Does the N30 work with the ResMed AirMini HumidX system?

ResMed N30

What is the difference between CPAP and APAP on the AirSense 11?

What are the main differences between the AirSense 11 and AirSense 10?

What features make the AirSense 11 different from older ResMed machines?

The AirSense 11 includes a sleek touchscreen interface, integrated cellular connectivity, over-the-air software updates, and access to the myAir™ app for coaching, usage tracking, and remote troubleshooting.

Does the AirSense 11 come with humidification?

Can I use the AirSense 11 without a humidifier?

Does the AirSense 11 require an internet connection to work?

How do I clean the AirSense 11?

How often should the filter be changed?

Is the AirSense 11 travel-friendly?

Can I track my sleep data with the AirSense 11?

Is the AirSense 11 worth upgrading from the AirSense 10?

AirSense 11

What is the difference between the AirSense 10 models?

What is the AirSense 10 AutoSet and how does it work?

Does the AirSense 10 AutoSet come with a humidifier?

Can I use the AirSense 10 AutoSet while traveling?

What kind of data does the AirSense 10 AutoSet provide?

How often should I replace parts like filters, tubing, and the water chamber?

AirSense 10

Does the cpap travel mini come with a humidx pod included?

Can I use any CPAP mask with the ResMed AirMini?

What is included with the ResMed AirMini?

AirMini

What should I do if my CPAP machine isn’t working properly?

Why does the air pressure on my CPAP machine feel like it changes as I breathe?

How do I change the pressure on my CPAP machine?

Do the AirSense 10 and AirSense 11 use different tubing?

What CPAP machine do you recommend?

Why do I need to change my CPAP water chamber?

When will the AirSense 12 Come Out?

Do you offer a trial period, rental, or loaner program?

Can I register the warranty of a ResMed machine under someone else’s name?

General Machine

Machines

How often should I replace my CPAP supplies?

What is the difference between SlimLine and ClimateLine tubing?

General CPAP

How do I know when my Go Battery is fully charged?

What CPAP battery do you recommend?

What voltage should I set my Go-Battery to for my CPAP machine?

Go-Battery Information

How do I cancel my order?

Do you offer refunds or exchanges?

How do I make a return?

How do I track my order?

What if my package gets lost or arrives damaged?

What is your shipping policy?

How much does shipping cost?

Do you offer free shipping?

Do you ship worldwide?

How long does delivery take?

My order was marked delivered but it’s not here.

How do I cancel my subscription?

Do I need a prescription to buy a CPAP machine in Canada?

Where do you ship from, and how long does delivery take?

Do you price match?

Can I use my insurance or health benefits plan?

How do I access the best prices?

What warranty coverage do CPAP products come with?

How do I submit a warranty claim?

How long does the warranty process take?

Do you charge tax on CPAP products?

Where can I call for help?

Is The CPAP Store covered under OHIP or ADP?

When do your sale prices end?

Are your CPAP machines and products new or refurbished?

Do your CPAP products ever go on sale?

Store Information

Why is my N30i mask making a whistling or hissing noise?Updated 2 months ago