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HumidAire 5i™ Humidifier

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ResMed | SKU 36900

This product has been discontinued. 

For a superior night's sleep, we recommend the AirSense 10 Auto CPAP. 

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The H5i™ heated humidifier offers relief from dryness and congestion and integrates seamlessly with the S9. Intuitive and easy to use, the S9 automatically detects when the H5i™ is connected. Once you have connected your H5i™ you are ready to go. 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.


This Product Includes:  

  • H5i Heated Humidifier with Climate Control
  • Standard Water Chamber


Product Specifications:



Maximum Heater Plate Temperature 149 deg F (65 deg C)

Temperature Cut-Out 165 deg F (74 deg C)

Maximum Gas Temperature < 105 deg F ( < 41 deg C)



Dimensions (H x W x D)


Chamber and Docking Station 6" x 5.7" x 3.4" (153 mm x 145 mm x 86 mm)




Docking Station and Unfilled Sealed Water Chamber 670 g (1.48 lb).


Docking Station and Unfilled Cleanable Tub 770 g (1.7 lb).


Power Supply Input Range 

100-240V, 50/60Hz; 110V, 400Hz; 2.5A < 140 VA (110 W) (maximum power consumption).

Maximum heater element power: 90 Watts.


Optional ClimateLine Tubing Lengths:


ClimateLine Tubing: 78 inches

Optional ClimateLine MAX Tubing: 75 inches


Housing Construction

Docking Station: Flame retardant engineering thermoplastic, plated cast aluminum.

Sealed Water chamber: Injection molded plastic, aluminum and thermoplastic elastomer.

Cleanable Tub: Injection molded plastic, stainless steel and silicone seal.

Water capacity to maximum fill line: 380 mL


Environmental Conditions


Operating Temperature: +41 deg F to +95 deg F

Operating Humidity: 10-95% non-condensing

Storage and Transport Temperature: -4 deg F to +140 deg F

Storage and Transport Humidity: 10-95% non-condensing



IEC 60601-1 Classification


Class II (double insulation)

Type CF


Electromagnetic Compatibility


Product complies with all applicable electromagnetic compatibility requirements (EMC) according to IEC60601-1-2, for residential commercial and light industry environments.


Add a Product Review

Nick L
The 1st time i used a CPAP, I kept getting nosebleeds because the air was so dry. I got this humidifier, and the nosebleeds immediately stopped. Highly recommend it!!! Nick L, 05/23/2017

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