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ResMed S9 AutoSet™ Auto CPAP with H5i™ Integrated Heated Humidifier
Resmed's new S9 AutoSet with H5i Heated Humidifier

ResMed S9 AutoSet™ Auto CPAP with H5i™ Integrated Heated Humidifier

Your Price: MIRP: $1072.00
Part ID:36015

Humidifier / Tubing Options

Copyright Note:

All product images and information used with permission of ResMed, Copyright 2010
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About MIRP Pricing
ResMed has just released the latest design iteration of their excellent flow generator platform: The S9. This new design is so sleek and user-friendly that it is miles ahead of it's competition. In addition to this, it offers several functional advancements to go along with this sleek design. ResMed's new Climate Control incorporates a heated breathing tube with the new H5i Humidifier's ability to automatically adjust for the ambient temperature and humidity of the environment to enhance comfort and greatly reduce the likelihood of rainout. The Enhanced AutoSet Algorithm combines an intelligent algorithm with Easy-Breathe expiratory pressure relief (EPR™) to dynamically adjust pressure for maximum comfort. The S9's Easy-Breathe motor technology virtually eliminates noise from the airflow of the machine, resulting in a virtually silent airflow that will have you checking to make sure the machine is turned on. Lastly, the user interface has the ability to display an array of useful daily feedback numbers to the user, such as hours of usage, Apnea-Hypopnea Index (AHI), and leakage rates, which makes it easy for the user to monitor their own therapy.

Features & Benefits

Sleek, User-Friendly Design

Market research has shown that patients do not like the medical look of standard sleep apnea devices. With its sleek contours and compact size, the S9 looks more like an MP3 player or clock radio than a CPAP device. You will be tempted to plug your IPOD into it! Along with the sleek lines, the S9 offers novel user-friendly controls and a large, color display, which makes adjusting the settings easier than ever.

An intuitive interface makes it a breeze to adjust settings and customize levels:

  • Turn push dial until the parameter you require is displayed in blue.
  • Press push dial. The selection is highlighted in orange.
  • Turn push dial until you see the setting that you require.
  • Press push dial to confirm your choice.

Enhanced AutoSet Algorithm with EPR

The amount of pressure required for effective CPAP therapy varies according to sleep stage, sleep position, and other factors. Insufficient pressure results in ineffective therapy while too much pressure can lead to discomfort, non-compliance, and pressure-related side effects. The S9 AutoSet combines an intelligent algorithm with Easy-Breathe expiratory pressure relief (EPR™) to dynamically adjust pressure for maximum comfort. Using ResMed's time-tested APAP technology, AutoSet continually monitors breathing, adapting breath by breath to always deliver the lowest therapeutic pressure, improving comfort and sleep.

For even more comfort, ResMed has developed EPR (Expiratory Pressure Relief), a technology that senses an exhalation and smoothly drops the pressure slightly to make exhaling more comfortable. This slight pressure drop continues for the duration of the exhale cycle, smoothly rising back to the set pressure when the exhalation cycle has concluded. With a choice of three different EPR comfort levels, the S8 AutoSet II with Easy-Breathe technology allows customized comfort for breathing that feels natural.

Additionally, the S9™s enhanced AutoSet algorithm now differentiates between obstructive and central sleep apneas (CSA) and responds appropriately. It uses the forced oscillation technique (FOT) to determine the state of the airway during an apnea. When an apnea is detected, small oscillations are added to the pressure to measure airway patency. The CSA algorithm uses the resulting flow and pressure to measure airway patency and differentiate central and obstructive events. Additional air pressure is not delivered if a central event is detected.

Exceptional Quietness with enhanced Easy-Breathe Motor

ResMed has always been known for making quiet air-flow generators, and the latest generation of machines with their patented Easy-Breathe Motor technology have resulted in radiated noise levels (the sound in the room) of 24 dBA*, which is no louder than normal breathing. Plus, conducted noise levels (the noise through the tube) have been further reduced by 78%! The result ™ a peaceful night™s sleep, for both the patient and others in the room.

New H5i Heated Humidifier with Climate Control

The H5i heated humidifier delivers market-leading performance. Designed to seamlessly integrate with the S9, the H5i offers relief from dryness and congestion. The Climate Control system employed by the H5i provides protection from rainout (condensation in the mask and breathing tube) and ensures maximum comfort. Climate Control uses an intelligent algorithm that controls the H5i and the ClimateLine™ tube to deliver constant, comfortable temperature and humidity levels during therapy.

While you are sleeping, Climate Control automatically controls:

  • Temperature of the delivered air: The temperature sensor located at the mask end of the ClimateLine™ tube monitors the temperature of the air delivered to the patient.
  • Humidity level: For each temperature setting, the Climate Control system delivers a constant amount of water vapor, or absolute humidity.
  • Rainout: The humidifier and heated tube work in harmony to deliver air at a constant level of humidity and temperature ™ even as the ambient and treatment conditions change.
  • 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.

S9™s exclusive ClimateLine™ heated tube

The ClimateLine heated tube is the key technology in the Climate Control system. It 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. ClimateLine Tube

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.

Offered with or without the heating circuit, the ClimateLine™ heated tube offers increased flexibility, more sleeping comfort and less mask drag.

Mask Fit System

The S9 allows the user to perform a mask seal integrity test as needed to ensure that the mask is sealing properly before therapy begins. The user can select between 3 mask types: Nasal, Nasal Pillows and Full Face, after which they can run the seal integrity test. The test sends a pre-measured level of air pressure to the mask for a period of 3 minutes, after which the user will see a green icon displayed on the machine to indicate a sucessful test, and a red icon to indicate that adjustments are necessary.

Therapy Monitoring Data


Visible via the user interface, the Sleep Quality Indicator allows patients to view a snapshot of their therapy. Designed to provide daily feedback and encouragement, the Sleep Quality Indicator identifies usage, leak and AHI information. The Sleep Report offers compliance and therapy data for up to 365 days. Data available includes average usage, used hours, days used, run hours and pressure.

The S9 Series is shipped with an SD card inserted. It provides detailed graphical data and high resolution flow data.

SD Card

The S9 SD card stores:

  • 365 days of therapy and compliance data (summary and statistics)
  • 30 days of detailed data (graphs)
  • 7 days of high resolution flow data

Product Specifications:

  • Modes of Operation: CPAP, CPAP w/EPR, Auto-CPAP,
    Auto-CPAP w/EPR
  • Pressure 4 to 20 cm H2O
  • Ramp Time 0 to 45 min. (5-min. increments)
  • Starting Ramp Pressure 4 up to CPAP pressure; user adjustable
  • Dimensions (with Hum) 11.25™ L x 6.5™ W x 4™ H
  • Dimensions in Travel Case 14™ L x 12™ W x 5™ H
  • Weight (with Hum) 3.4 lbs
  • Weight (in Case w/ hum, tubing, etc.) 6.14 lbs
  • Filters Disposable Pollen or Hypoallergenic
  • Sound Level 24 dBa
  • Device Set-Up LCD/Push Dial
  • Data Storage Capacity 365 days summary data (up to 500 events per session.)
  • Data Storage Content SD Card: 365 days summary data and 30 Days and 7 nights detailed data
  • Electrical Requirements 100 ™ 240 VAC, 50/60 Hz
  • Humidification Integrated Heated Humidifier with Climate Control
  • DC Power Use ResMed DC Power Converter cord only (sold separately), 12 VDC
  • Warranty 2 Year Manufacturer
  • Special User Features Auto on/off, mask off alert

What's in the Box:

  • Resmed S9 Autoset™ CPAP unit
  • ResMed H5i Integrated Heated Humidifier
  • Canvas Carrying Bag
  • 6-foot ResMed SlimLine™ Breathing Tube
  • Air Filters
  • Printed User and Clinician Manuals
5 Stars
So quiet you don't know it's on.
I thought my GoodKnight was quiet. Wife had to see if I was breathing to know this S9 was on. Only an occasional whistle at the end of exhale. Think it is related to how full the water reservoir is in the humidifier. Easy to set up and use but be sure to get the tech manual as the owner manual is very basic. The active humidity cuts water use. Recommend this CPAP if you can afford the price.
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Reviewed by:  from US. on 7/30/2012
5 Stars
A fine but delicate machine. The water reservor is small. It gives a smooth sleep. It is an improvement over my older model.
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Reviewed by:  from San Francisco, California. on 2/16/2011
5 Stars
The Resmed S9 Autoset is the third CPAP machine I have owned and is far superior to the other CPAP machines. I am sleeping so soundly at nights and wake up refreshed in the mornings,the Climate Control is a must and a great feature. Thanks to BestCPAPPrice for all your help and support. T K Elliott
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Reviewed by:  from Fountain Hills. on 11/30/2010
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