The ResMed S9 AutoSet is a clinically trusted auto CPAP device designed for individuals diagnosed with obstructive sleep apnea (OSA).
It uses advanced algorithm-driven pressure adjustments combined with comfort-enhancing features such as:
- AutoSet adaptive pressure system
- Integrated heated humidification (H5i)
- ClimateLine heated tubing for temperature stability
- EPR (Expiratory Pressure Relief) breathing comfort system
This combination ensures that users receive stable, comfortable, and personalised therapy throughout the night, reducing common CPAP side effects like dryness, congestion, and discomfort.
Key Benefits of ResMed S9 AutoSet CPAP System
1. Intelligent Auto Pressure Adjustment
The AutoSet algorithm continuously monitors breathing patterns and adjusts air pressure in real time.
Benefits:
- Delivers lowest effective therapeutic pressure
- Improves sleep comfort and tolerance
- Responds to obstructive and central apnea events
2. Advanced Humidification with H5i System
The integrated H5i heated humidifier prevents airway dryness and irritation.
Benefits:
- Reduces dry mouth and nasal discomfort
- Improves overall sleep quality
- Automatically adjusts humidity levels based on room environment
3. ClimateLine Heated Tubing Technology
The ClimateLine tube maintains consistent air temperature from machine to mask.
Benefits:
- Eliminates condensation (“rainout”)
- Maintains stable humidity levels
- Enhances breathing comfort in all climates
4. Ultra-Quiet Operation (24 dBA)
Designed with advanced noise reduction engineering.
Benefits:
- Near-silent operation (similar to soft breathing)
- Ideal for light sleepers and partners
- Improved sleep environment stability
5. Enhanced Breathing Comfort with EPR
The Easy-Breathe Pressure Relief (EPR) system reduces pressure during exhalation.
Benefits:
- Easier natural breathing cycle
- Reduces therapy discomfort
- Helps new CPAP users adapt faster
6. Smart Data Tracking & Therapy Monitoring
Built-in SD cards store detailed sleep data for clinical review.
Benefits:
- Tracks AHI (Apnea-Hypopnea Index)
- Monitors leak rates and usage hours
- Supports physician evaluation and therapy adjustment
7. Mask Fit & Leak Detection System
Ensures optimal mask seal before sleep.
Benefits:
- Prevents air leakage
- Improves therapy efficiency
- Simple one-touch diagnostic check
8. Travel-Friendly & FAA Approved
Designed for portability and travel compliance.
Benefits:
- Suitable for air travel
- Lightweight and compact design
- Reliable therapy on the go
Features
Core Technology
- AutoSet adaptive pressure algorithm
- CSA (Central Sleep Apnea) detection
- Obstructive apnea response system
- EPR comfort breathing support
Comfort Enhancements
- Climate Control humidification system
- Heated ClimateLine tubing
- SlimLine lightweight tubing option
- Mask Fit diagnostic tool
User Interface
- Colour LCD display
- Easy push-dial navigation
- One-touch start button
- Simple compliance data access
Build & Design
- Compact bedside design
- Low-profile medical device appearance
- Durable refurbished engineering inspection
Technical Specifications
| Feature | Details |
| Machine Type | Auto CPAP |
| Model | ResMed S9 AutoSet |
| Condition | Refurbished |
| Pressure Range | 4 – 20 cmH2O |
| Humidifier | H5i Integrated Heated Humidifier |
| Tubing | ClimateLine Heated Tube |
| Noise Level | 24 dBA |
| Weight | 3.35 lb |
| Dimensions | 7.25″ x 11.25″ x 3.75″ |
| Ramp Time | 0 – 45 min (5 min increments) |
| Exhalation Relief | EPR (Easy-Breathe) |
| Data Storage | SD Card Included |
| Compliance Data | Yes |
| Altitude Adjustment | Automatic |
| Voltage | 110V / 220V Fits |
| Battery Support | Yes (external battery supported) |
| Mask Alert | Yes |
| Warranty | 1 Year Manufacturer Warranty |
| HCPCS Codes | E0601, E0562, A4604 |
| Prescription Required | Yes |
What’s Included in the Box
- ResMed S9 AutoSet™ CPAP Machine
- H5i Heated Humidifier
- ClimateLine Heated Tubing
- SlimLine Performance Tubing
- Power Supply and Cord
- Disposable Air Filter
- SD Memory Card
- 1-Year Manufacturer Warranty
Use Cases: Who Should Use This Device?
1. Sleep Apnea Patients (OSA Therapy)
Ideal for patients diagnosed with obstructive sleep apnea requiring auto-adjusting therapy.
2. CPAP Beginners
EPR and climate control features help new users adapt comfortably.
3. Chronic Dry Airway Sufferers
Heated humidification prevents dryness and irritation.
4. Frequent Travelers
Compact design and FAA compliance make it travel-ready.
5. Clinical Monitoring Patients
SD card data supports physician-based therapy adjustments.
Why Choose Refurbished ResMed S9 AutoSet?
A refurbished unit offers clinical-grade performance at a reduced cost, while still maintaining strict quality inspection standards.
Advantages:
- Cost-effective alternative to new devices
- Fully tested and restored functionality
- Includes essential accessories
- Backed by 1-year warranty
- Ideal for budget-conscious therapy users
Frequently Asked Questions
What is the ResMed S9 AutoSet used for?
It is used to treat obstructive sleep apnea by automatically adjusting air pressure to keep airways open during sleep.
Is this device suitable for beginners?
Yes. Features like EPR, auto pressure adjustment, and mask fit testing make it beginner-friendly.
What does ClimateLine tubing do?
It maintains consistent air temperature and prevents condensation inside the tube for more comfortable therapy.
Does the machine work quietly?
Yes, it operates at approximately 24 dBA, which is extremely quiet.
Can I travel with this CPAP machine?
Yes, it is FAA compliant and suitable for air travel.
Is data tracking available?
Yes, it includes SD card-based detailed sleep therapy tracking.
What does refurbished mean?
It means the device has been professionally inspected, tested, cleaned, and restored to full working condition.
Does it require a prescription?
Yes, CPAP machines require a valid prescription.
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