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Home > For Reference > CPAP Machines > Auto CPAP Machines > S9 AutoSet CPAP Machine with H5i Heated Humidifier - ResMed

S9 AutoSet CPAP Machine with H5i Heated Humidifier - ResMed

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S9 AutoSet is replaced by a newer model ResMed AirSense 10 AutoSet with humidifier .

S9 AutoSet Auto APAP Machine with H5i Humidifier and Climateline Tube

High Quality APAP Machine with Humidifier

The S9 AutoSet Auto CPAP (or APAP) with its advanced pressure adjustment technology, easy-breathe functionality and user friendly design, it becomes a sound investment for anyone in need of sleep apnea therapy. Additionally, it is a remarkably quiet device geared toward comfort and patient satisfaction making it a tough item to surpass on the market.  With the Resmed S9 H5i you're certain to receive the highest of quality therapy consistently.

AutoSet Functionality

The Resmed AutoSet S9 features a unique pressure adjustment technology - commonly referred to as the AutoSet Algorithm - which allows for more customized therapy by monitoring your personal flow inhibitors on a breath-by-breath basis. The Algorithm tracks your breathing behavior (i.e. your snoring and apneas) and then automatically adjusts pressure emissions based on air flow. The AutoSet Algorithm responds quickly so you won't have to wait long for adjustments. This feature is also handy when you're sick: the Algorithm can detect when you're having trouble with nose breathing and will provide the necessary pressure adjustments to compensate.

Easy-Breathe and EPR n

The ResMed Auto S9 CPAP machine is also equipped with a couple of add-on technologies which make your therapy significantly more comfortable. Easy-Breathe technology smooths the transition between pressure alterations from inhalation to exhalation; this decreases the likelihood that your treatment will be disrupted. The Expiratory Pressure Relief (EPR) function provides relief by decreasing pressure at the beginning of every breath and then curtailing pressure throughout exhalation. The EPR can be adjusted according to your preference - pressure can be reduced by one, two or three centimeters of water pressure depending on your liking. What makes EPR so great? It detects unnatural breathing sequences and will automatically stop when you have an apnea which lasts longer than ten seconds.

Smart Start/Stop n

Remarkably easy to use and operate, the S9 includes SmartStart and SmartStop technology: the machine will begin operating as soon as you take a breath, and then cease operating when you remove your mask. This technology promotes safety and power conservation.

Advanced Humidifier

The H5i is a top-of-the-line humidifier which, when working in concert with the S9, has the ability to correctly monitor your temperature and humidity levels and make adjustments when necessary. The H5i is designed to work cooperatively with the heated tubing and the machine itself to provide optimal humidity management. The device is equipped with five sensors which gauge the S9's temperature and humidity settings; this allows you to maintain appropriate humidity without hassle or complication.

ClimateLine Tubing(Optional)

The S9 is compatible with standard tubing, SlimLine tubing and the newly created ClimateLine heated tubing. The ClimateLine heated tubing was designed specifically to work for the S9 and will contribute substantially to your humidification. You will avoid the troubles of rain-out, overheating and other pitfalls. One thing to keep in mind is the AirSense/Curve 10 ClimateLineAir tubing and general Climate-line tubing are not compatible


  • AutoSet pressure adjustment technology
  • H5i Humidifier & ClimateLine Tubing
  • Superior data management system
  • Expiratory Pressure Relief (EPR)
  • Easily readable LCD screen
  • Extremely quiet operation
  • Easy-Breathe technology
  • Carrying case

The S9 AutoSet Auto CPAP (or APAP) Machine with H5i Humidifier is a superior therapeutic device capable of delivering top-of-the-line results for patients. The S9 is a technologically advanced machine equipped with a number of sophisticated functions; additionally, it is a remarkably quiet device geared toward comfort and patient satisfaction. With the S9 youÓ²e certain to receive the best quality therapy that can be offered.

36015, 36025
E0601, E0562
  • Auto CPAP Machine
  • H5i Heated Humidifier
  • SlimLine Tubing
  • Travel Bag
  • User Manual
  • 90W Power Supply
  • SD Card
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Ethan C
The resmed s9 autoset is a really great machine. I've read more about it and was surprised on how far the technology of cpap machines has taken us. I used to have a resmed s8 elite and now it's broken since I've been using it for probably 6 years. Apparently, it's time for me to change my machine as it is. I must say that the resmed s9 autoset has had a lot of improvements compared to that of the s8. The features are amazing with that auto start and auto stop. For me, this is the best machine so far, that I guarantee ya! Thx!
Mervin C
I've used the ResMed S9 AutoSet CPAP with humidifier for over seven years. It's great! I've recommended it to a number of friends, as well, confident it really delivers well with a minimum of fuss. Meanwhile, I've traveled overseas frequently, and it's gone wherever I've gone. (With some help from a friend, it even worked off of a car battery for a few nights when in West Africa.) I highly recommend it.
Mark S (Verified Purchase)
Just started using a CPAP after 10 years of using a mandibular advancement appliance. Wish I started using this sooner. Mask is very comfortable. The auto feature makes it easy. Turn it on and you are done. Great product.
Displaying 1 to 3 (of 3 reviews)
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Question How can I turn on info and setup menus without having to return to my clinician and pay for office call
Your device may be locked, however there are ways to access the clinical menu on just about every CPAP machine that involve holding down two or more buttons at a time.
Posted: 04/14/2021
Displaying 1 to 1 (of 1 questions)
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