ResMed S9 AutoSet™ CPAP Machine with H5i™

SKU# 36015

Regular Price: $1,072.00

Special Price: $883.00

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Quick Overview

S9’s enhanced AutoSet algorithm now differentiates between Obstructive and Central Sleep Apneas and responds appropriately. You enjoy peace of mind because you know the right therapy is always delivered

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Description For ResMed S9 AutoSet™ CPAP Machine with H5i™


ResMed is known for innovation.  The ResMed S9 line of CPAP machines in not only innovative but is a giant leap forward in technology and comfort.  The S9 AutoSet algorithm is designed to offer the most comfortable CPAP experience enhanced by Easy-Breath (EPR) which dynamically adjusts pressure to optimize therapy.  By adapting breath to breath to always deliver the lowest therapeutic pressure necessary, the S9 AutoSet offers optimal therapy at unmatched comfort.  Moreover, the S9 platform with the addition of Central Sleep Apnea detection determines the state of the airway during apneas. The Enhanced AutoSet algorithm detects the difference between an open and closed airway and treats them appropriately.

ResMed S9 H5i


  • Intuitive Design: The S9 series is an evolutionary leap forward in form and function. The controls are not only inviting, stylish and easy to use, they also offer innovative features that ensure patient support and encouragement.
  • Climate Control: The ResMed S9's Climate Control system automatically creates the perfect temperature and humidity to the mask. While you're sleeping, the Climate Control program controls: - Rainout: the humidifier and heated tube work to deliver air at a constant level of humidity and temperature - even as the ambient conditions in the room change. - Air temperature: An air sensor near the mask screens the air temperature input to the mask. - Water vapor: Unique to each temperature setting, the humidity is controlled by delivering a constant amount of water vapor. The resulting air is always comfortable, making it easier to sleep with CPAP therapy.
  • Optional Exclusive ClimateLine Heated Tube: The ClimateLine Heated tube option is the key technology to the Climate Control System.  Its revolutionary technology of locating a sensor to measure the temperature of the air leaving the tube offers unsurpassed comfort.   The Climate Control algorithm which controls the ClimateLine Heated tube automatically delivers a constant comfortable temperature at the mask.  Unique to ResMed, this feature offers complete temperature and comfort control. (The ClimateLine Heated Tube can only be used with the H5i Heated Humidifier)
  • Taking Quiet to the Next Level: The innovative design of the S9’s enhanced Easy-Breathe motor features foam and isolating materials incorporated into the base of the device.  By producing less turbulence, the S9 delivers more performance yet virtually eliminates the noise radiated into the room.
  • SlimLine Tubing:  Switch from standard heavy tubing to smaller, slimmer and sleeker SlimLine tubing.  SlimLine tubing is 40% lighter, 20% thinner and takes up 35% less space and gives you the same results without the bulk.
  • Sleep Quality Index: Compliance management allows users to visualize how they are progressing with CPAP therapy.  The SQI allows users to view a snapshot of their therapy including usage, mask leakage and AHI data in order to provide daily feedback and encouragement.  The S9 Series offers three ways to prove patient compliance
  1. Data on the device - via the Sleep Quality Indicator and Sleep Report
  2. SD card (with detailed, high resolution data for every device)
  3. Modules (for direct and remote download)
  • Other features include Automatic Altitude Adjustment, Automatic Leak Compensation and SmartStart/Stop and Mask Fit feature.



This Package Includes:  ResMed S9 AUTO CPAP, H5i Heated Humidifier, Travel Bag, Optional ClimateLine Heated air tubing, Non Heated SlimLine™ Tube, Filters, Power Cords, User Manual, 2 year warranty on the CPAP, 1 year warranty for the Heated Humidifier



©ResMed 2010 Used with Permission to all WebPages with ResMed pictures

RESMED Minimum Internet Retail Price & POLICIES FOR THIS PRODUCT - We are only authorized to sell and ship Resmed products to end-users residing in the United States. A prescription is required for the purchase of certain products on this site including masks, humidifiers, and machines. All services are provided solely by The CPAP Shop and independently of the manufacturer. These services include the advertisement, ordering, sale, delivery, instruction, and setup of the products.


User & Sizing For ResMed S9 AutoSet™ CPAP Machine with H5i™

  User Guide


Specifications For ResMed S9 AutoSet™ CPAP Machine with H5i™

Pressure Range: 4 to 20 cm H2O
Ramp Time : 0 to 20 min. (5-min. increments)
Starting Ramp Pressure: 4 to CPAP; patient-adjustable
CPAP Dimensions: 5.5” x 5.5” X 3.4” (153mm x 140mm x 86mm)
CPAP Weight: 1.8 lbs
CPAP& H5i Dimensions: 11.0” x 5.5” X 3.4” (306mm x 140mm x 86mm)
CPAP & H5i Weight: 3.3 lbs
Filters: Polyester fiber
Device Set-up: LCD/keypad
Data SD Card 365 days summary data, 30 days detailed data(graphs), and 7 days high resolution flow data detailed data
Data on the device Visible via the user interface, the Sleep Quality Indicator allows patients to view a snapshot of their therapy
Data DS Card: Included
Pressure Relief on Exhale: EPR and Easy-Breathe
Altitude Compensation: Automatic
Electrical Requirements: Input range 100–240V, 50–60Hz
Humidification: Integrated Heated Humidifier and Pass-over Humidifier
Warranty: 2 years
DC Power: Only use DC-12 Converter by ResMed for DC input or damage may occur



Heating For ResMed S9 AutoSet™ CPAP Machine with H5i™

cleanable TubStandard Tub  


Enhanced H5i humidifier

  • The H5i heated humidifier delivers market-leading performance. Designed to seamlessly integrate with the S9, the H5i offers relief from dryness and congestion.


Out of the box humidification

  • The S9 automatically detects the H5i when it is connected. Once you have connected your H5i, you’re ready to go


Onboard intelligence

  • The H5i senses ambient temperature and humidity in the bedroom


Two water tubs

  • The H5i is available with a standard or cleanable water tub: The standard tub is a one-piece tub that is designed to be replaced at least every six months, or as recommended by the healthcare provider. The cleanable water tub is easy to disassemble, clean and reassemble. It is also suitable for multi-patient use in a clinic, hospital or sleep lab

Tubing For ResMed S9 AutoSet™ CPAP Machine with H5i™

ResMed is offering 2 different types of CPAP Tubing

1. The SlimLine tube - Exclusive to the S9 Series (non heated )

Slim Line ( non heated )






Tubing has remained relatively unchanged for 20 years – until now. The S9 presents a revolution in technology with its exclusive SlimLine tube.
The SlimLine tube is unbelievably light, slim, flexible tube and travel friendly.

Smaller, slimmer & sleeker

Compared to most traditional tubing, the SlimLine tube is 40% lighter, 14% thinner and takes up 35% less space.

  •     Never be "anchored" to the bed by your heavy tube again.
  •     You can move more in bed without creating mask leaks.
  •     You can have the same tube length without the bulk
  •     The SlimLine also has a new smart-fit cuff design that makes it easier to attach and remove the tube.


2. ClimateLine heated tube - Exclusive to the S9 Series  (Heated)

Heated Tube





The ClimateLine heated tube is the key technology in the Climate Control system.  It contains revolutionary technologies never before seen in CPAP tubing that enable the delivery of Climate Control and unsurpassed patient comfort.  The ClimateLine tube includes a sensitive heating circuit, which is automatically controlled by the Climate Control algorithm to deliver a constant comfortable temperature at the mask.

  • Located at the mask end of the tube, a sensor measures the temperature of the air leaving the tube.
  • Unique to ResMed, this feature offers complete temperature and comfort control

Rainout protection without compromise

  • With traditional humidification systems, as the temperature in the room drops, so does the temperature of the air inside the tube. At lower temperatures, the amount of water vapor that can be held by the air decreases, and condensation (rainout) can form in the tube.
  • The ClimateLine tube maintains the temperature of the air delivered to the patient. This ensures that rainout is avoided even if the temperature in the room drops during the night.
  • By keeping the air temperature in the tube constant, the Climate Control system can automatically adjust to changes in ambient conditions to maintain a constant, comfortable humidity level. Rainout is avoided without needing to reduce the humidity delivered.
  • Because the system measures temperature at the mask, the temperature you feel will remain at your preferred setting, regardless of changes in ambient temperature or humidity.

Battery Power For ResMed S9 AutoSet™ CPAP Machine with H5i™

Universal Power: The ResMed S9 CPAP can work anywhere in the world (operates automatically between 110v and 240v AC). All of the S9 Series CPAP and VPAP machines will automatically detect the voltage being used, and automatically adjust itself to run on that power. The plug on the S9 Series is a standard US prong. 

International Travel:  If traveling overseas, you may need to adapt the plug to fit the correct outlet socket. You can purchase our Universal World Wide Travel Adapter Plug to easily convert the US prong to the correct style you need.

Universal World Wide Travel Adapter Plug

12 Volt DC Power Cord: The ResMed S9 machines all come with a DC plug located on the back of the unit. By adding the ResMed DC Cord, you can now easily connect your CPAP or VPAP to an external DC battery source such as a car, RV, boat, deep cycle marine battery, or our FAA Portable CPAP Battery.



                      ResMed DC Power Cord                       Portable CPAP Battery


Videos For ResMed S9 AutoSet™ CPAP Machine with H5i™

Quiet and Comfort Motor

User Friendly Controls


Warranty Information For ResMed S9 AutoSet™ CPAP Machine with H5i™

This machine comes with a 2 Year Manufacturer Warranty.  

 The CPAP Shop provides a hassle-free, no hidden catches or exceptions policy:  If there is a problem with your CPAP or BiPAP machine within the warranty period, contact us by phone, email, or chat. If the problem cannot be fixed, we will provide you with a pre-paid return label, returning the machine back to us.  On your behalf, we will then work directly with the manufacturer.   If the issue cannot be corrected, we will provide a new CPAP(similar make and model) with a new 2 year warranty including the set up and shipping, free of charge.  

The manufacturer warranty is voided by water damage, negligence or damages caused outside of the standard 2 year manufacturer warranty

  • Phone #866-414-9700
  • Fax# 856-767-7151
  • Email:  contact@thecpapshop.com

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Customer Reviews

17 Item(s)

per page
"This machine is great" - Review by Larry
This machine is great

I have been using this machine about 30 days. I am getting great sleep... Due to work situation only got 4.5 hours sleep last night and without it, I would be in very bad shape. Today I am doing great and feel fairly good and I am not hardly sleepy... Thank you for the quality sleep!!!

(Posted on 8/20/14)

"Best CPap I have ever used in 20 years" - Review by glenn
Best CPap I have ever used in 20 years

I love this unit with a very functional humidifier. I no longer wake with dry nose and the unit is very quiet. Of the 4 I have used this is by far the best!

(Posted on 6/22/14)


Great machine. Auto-PAP machines (like this one) are definitely the future and top of the line allowing the machine to adjust the pressure for what you need while you sleep. Before you fall asleep and when you wake, you don't need the higher pressure so the machine drops it down to the settings your doctor prescribes. This makes things so much more comfortable then the same constant pressure blowing in your face while you are awake and sleep. This machine is super quiet too.

The humidifier works great and with a this machine you have the option to buy the "Climateline" tubing, which allows you to adjust the temperature of the air you breath. It is really awesome and I recommend you do that because on cold night or if you have sinus problems like me, the warm heated humidified air feels really good. Once you attach the tubing, it shows up on the display and you can adjust the temperature by turning the knob.

Definitely worth the price. You can buy cheaper machines, but you lose out on the comfort features that this one has.

(Posted on 5/25/14)

" Best CPAP machine ever" - Review by John
Best CPAP machine ever

Was in crisis mode after old machine conked out (Respironics REMstar M Series). While waiting for provider and insurance co. to give me a quote on a new machine and going on 7 days I decided to take matters into my own hands. I had the cpap shop overnight a ResMed S9 AutoSet Machine to me. Even if I don't ever get reimbursed from Insurance it was well worth it.

(Posted on 2/8/14)

"THE BEST" - Review by Alice

This CPAP machine is FANTASTIC. I love it. It is SILENT. It is completely dark - my husband's CPAP makes noise and has lights that stay on all night - crazy! My ResMed S9 is absolutely silent and dark and wonderful! AND the humidifier does not use a huge amount of water.

My only complaint is that the unit and the humidifying compartment tend to disengage too easily - I have to pick the unit up carefully when I do so. BUT I seldom have any reason to pick it up. The humidifier compartment opens and you lift the water container out to fill it.

Great machine - love it. ABSOLUTELY worth the price.

(Posted on 2/7/14)

"Very dry mouth & nasal after only 2.5 hrs of use." - Review by paulg
Very dry mouth & nasal after only 2.5 hrs of use.

Tried adjusting humidity ...as high as 5.5- 6
Decreased pressure
Emptied out reservoir in 5 hrs.
Lowered temperature to 67 F....so still trying to figure settings.
Very quiet other than it seems to amplify your breathing.

(Posted on 1/29/14)

"first impression first night" - Review by Robert
first impression first night

1=poor 5=great

length of continuous sleep = 2.5
quality of sleep= 4
quietness= 4.5
comfort (nasal pillow) = 4.5
ease of use = 5
connivence= 4.5
set up= 5
ability to read= 4.5
ability to watch TV= 5
ability to move around= 4
over all rating= 4

*** Again this was my first night. my wive observed a very big improvement in my movement / restlessness. she also reported a markedly improvement in depth / quality of my sleep. Time will tell.

(Posted on 12/12/13)

"Resmed S9 autoset" - Review by narcdog603
Resmed S9 autoset

great machine, using the heated hose and never not once had a problem with rainout. without a second thought the best sleep that i have had in 30 years

(Posted on 8/29/13)

"very good!" - Review by yingxin
very good!

I like this machine very much!

(Posted on 7/8/13)

"The best, period!" - Review by Luke
The best, period!

I finally put my suitcase size cpap to rest. Going through all of the choices was difficult. I am a value conscious buyer and wanted to make sure this machine was worth it. It is very high dollar! But I must say that I am not disappointed at all. Of course, it looks cool. But looks are sometimes deceiving. These looks are not. I am getting the best sleep of my life. Machine can be a bit quieter but it is not the noticeable. All in all, great purchase even at the steep cost! Thanks for your help, Luke

(Posted on 5/4/13)

"Big jump from S8 WOW!" - Review by Dan
Big jump from S8 WOW!

had S8 for 7 years (2006) on off switch was starting to go - So on 2/2013 I received S9 - is super quiet - smaller footprint for traveling - even the travel case has efficient design - water chamber is 400% improvement over S8 - had considered having S8 referbished for "spare" but this is so much better S8 would not be satisfactory as spare. Also, CPAP shop delivered S9 over night so I would consider this option instead of a having OLD "spare" unit

D Boyer

(Posted on 2/28/13)

"Excellent design, great features" - Review by Julius
Excellent design, great features

The S9 Autoset with the Climateline is the “Cadillac” of all CPAP APAP machines.
Very well designed attractive looking with color displays and most of the information available on the machine without downloading the SD card to the Rescan program on your computer where more detailed info available with all kinds of reports and graphs.
The machine itself is the quietest on the market today and most of all you don’t even hear your breathing noise inside the full face mask you wear. The algorithm is the best I found on all the machines I tried, extremely responsive and very effective treating your OSA or Hypopnea. It also differentiates and recognizes central apnea.
It is certainly not inexpensive but if you have the money you will not be disappointed and definitely get what you paid for.

(Posted on 11/18/12)

"S9 Auto" - Review by Philip
S9 Auto

WOW...Firstly, my point of comparison is an old respironics machine which is nearly as big as my night table. I finally gave in and went top of the line. In an instant, I knew I didn't go wrong with the purchase.

When the machine arrived, I was blown away at how small and stylish it was. I can hold the machine in my palm. It also looks much nicer on my night table.

Once I turned on the machine to try it out, it barely made noise. Again, my point of reference was similar in sound to a vacuum cleaner. But this machine was really quiet and could barely hear it running.

After a few nights using it, I could not believe how much better I felt. The big difference was the automatic adjustment. I always had trouble breathing against my high pressure but I didn't even notice it with this one. In fact, I woke up much more refreshed than ever.

If you are using an old machine and its time for a new one, I would highly recommend the S9 auto. It is a bit pricey but well worth the investment.


(Posted on 7/26/12)

"S9 Auto" - Review by Howard
S9 Auto

By far the best CPAP I've ever used. I decided to switch to an auto which turned out to be a great decision. I was tired of the constant pressure that irritated my nose. The auto is super quiet-i dont even know its on-and I have been getting a great night sleep since I started using it last month. Thanks to you folk at the CPAP Shop for steering me in the right direction. I'll be back!

(Posted on 4/10/12)

"s9 auto" - Review by Bruce
s9 auto

This CPAP is the best I ever used. It is super quiet and very simple to use. I really like the heated tube. Doesnt even look like a CPAP. Will definitely recommend this to my friends.

(Posted on 3/28/12)

"What a difference" - Review by bob
What a difference

I had the monster old style S7 and needed to upgrade.
VERY Quiet, lightweight, small, no more rain in my mask(Make sure you get the heated tube), completely automatic. .

Cons: Have to use an inverter to run from a battery just like my S7.

(Posted on 9/5/11)

"S9 auto" - Review by Peter
S9 auto

I have not had any problems with rainout since I've bought this machine. No more condensation in the tube and on my face! The heated tube is great.This cpap is very user friendly! My previous machine was a Resmed S7 with more hours on it than i can say, but it still works. I have had great success with the Resmed brand and hope this new S9 unit lasts as long as my S7

(Posted on 9/5/11)

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