CPAP Newsletter Newsletter Archive Subscribe Newsletter Archive Subscribe Sign-up for our weekly newsletters for CPAP articles, tips and special offers! Submitting... Sign Up No, thanks CPAP Newsletter: Which AirSense Machine Will You Choose? Zoom In (+) Which AirSense Machine Are You? All ResMed AirSense™ Machines Come Loaded with Features SmartStart™ automatically begins releasing air once the machine detects your mask is on properly.AutoRamp™ delivers a lower stream of air until the machine detects you are asleep. Then it slowly ramps up to your prescribed pressure. EPR™ or Expiratory Pressure Relief, decreases the pressure at the beginning of each breath to make exhalation easier. Easy to Read, LCD Display makes this device simple to use. Screen adjusts to light of the room and turns off automatically while not in use. HumidAir™ humidification comes standard with each AirSense™ system. Climate Control technology automatically adjusts the temperature to provide the optimal level of humidification. All ResMed AirSense™ Machines Come Loaded with Features AirSense™ CPAP AirSense™ Elite CPAP AirSense™ AutoSet™ APAP 26.6 dBA SmartStart™ AutoRamp™ (EPR™)Expiratory Pressure Relief HumidAir™ Humidification Auto Climate ControlRequires the use of the ClimateLineAir™ Heated Tube. On-Screen Advanced Data AutoSet™ Algorithm AirSense AutoSet™ for Her APAP This for Her APAP offers all the same features as the AutoSet™, but also utilizes a unique algorithm designed for the breathing pattern of a woman.