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Category: CPAP Humidifiers > Heated Humidifiers > Machine Specific
Humidaire H3i Heated Humidifier
This product no longer available and this information is for reference only. Newer Model Available: Humidaire H4i Heated Humidifier.
Rated 4.7 out of 5 by 79 cpap.com customers. Read reviews.
Part Number 33906
Prescription Required
We can request your prescription for you.
Key Product Information

    Manufacturer: Resmed

    ResMed's HumidAire 3i is engineered to deliver heated humidification and create a complete integration of the unit when connected to a ResMed S8 series CPAP machine.

    The HumidAire 3i is constructed to give relief from symptoms such as dry nose or mouth, irritation, and congestion sometimes related to CPAP therapy without jeopardizing performance or convenience.

    Up to 40% of nasal CPAP users experience nasal congestion and dryness of the nose and throat. The warm moist air that humidification provides has been proven to relieve symptoms of dryness and can make therapy more comfortable.

    Product Features
    • Fliptop lid design – you can fill the water chamber without removing the tubing. Easy to use.

    • Small design - unobtrusive on the nightstand and easy to pack for travel.

    • Seamless integrated unit - simply snaps into the CPAP machine whenever needed.

    • 385 ml capacity – very efficient humidification with a high volume.

    • Powered by ResMed S8 Machines - no extra outlets or power supply necessary.

    • Simple Dial Control - easy to utilize in darkness and fast to respond.

    • One year manufacturer warranty.
ResMed H3i Heated Humidifier top
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CPAP.com Comments
This humidifier cannot be run off 12 volt power. If a machine is powered by 12 volts, the heated humidifier will not run. If a cpap is powered by 110 or 220 volts it will power the heated humidifier. A 110 volt inverter hooked to a 12 volt battery can be used to power a machine and this humidifier.

This humidifier integrates with the full ResMed S8 and S8 II lines of CPAP and APAP Machines. The H3i is not compatible with:

  • S7 Series
  • VPAP III Series
  • VPAP Auto 25
  • VPAP ST
  • VPAP IV
  • VPAP Malibu


A prescription is required to buy this product. You may fax it to us at 1.866.353.2727 or 1.713.541.7370. If you are purchasing a CPAP, BiPAP or APAP machine, please make sure the pressure setting is indicated.
Related Parts and Accessories
H4i Water Chamber Upgrade Kit
User Reviews

May 05, 2009

(5 out of 5) by John M, Brick, NJ

"Large capacity, perfect accessory for Resmed S8 Auto PAP. Full control of the amount of humidity. Easy fill, positive seals."


8 of 8 found the review helpful.
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April 20, 2009

(5 out of 5) by Elizabeth M, Miami, FL

"very nice products"


1 of 6 found the review helpful.
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Good Integration Poor Maintenance   April 08, 2009

(3 out of 5) by James T.

"The unit was very easy to install and the power connection was internal so there wasn't a new wire to deal with. The resevoir tank is sealed so it is impossible to thoroughly clean the inside. It can be shaken but there is no way to reach all of the interior surface. I am worried that deposits or scum will build up that I can't remove."


11 of 13 found the review helpful.
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H3i Humidifier   March 24, 2009

(5 out of 5) by Larry H, Laguna Vista, TX

"This unit is a lot better that the one that came with the S7. Easy to refill. Easy to clean."


5 of 7 found the review helpful.
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Humidaire H3i humidifier   March 18, 2009

(5 out of 5) by Kathryn, KS

"Works great as expected."


5 of 6 found the review helpful.
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Product Specifications
Performance
  • Maximum Heater Plate Temperature 185 deg F (85 deg C)
  • Temperature Cut-Out 199 def F (93 def C)
  • Maximum Output Humidity 95% relative humidity (control dial set to maximum setting, flow rate 50 L/min, ambient temperature of 68 def F (20 deg C), ambient relative humidity of 40%)
Dimensions (H x W x D)
  • Chamber and Docking Station 4.6" x 6.7" x 8.3" (118 mm x 164 mm x 145 mm)
Weight
  • Docking Station and Unfilled Water Chamber 670 g (1.5 lb). Water capacity to maximum fill line: 385 mL
Power Supply Input Range

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

Instantaneous peak power consumption <340 VA. Actual average power consumption will vary, depending on factors such as temperature setting, set pressure, the use of accessories, height above sea level and ambient temperature.

Maximum heater element power: 85 W.

Housing Construction
  • Docking Station Flame retardant engineering thermoplastic, plated cast aluminum. Water chamber: Injection molded plastic, stainless steel.
Environmental Conditions
  • Operating Temperature +41 deg F to +104 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.

*Consult the medical department of the carrier before using on aircraft.
Product Images
ResMed H3i Heated Humidifier Open ResMed H3i Heated Humidifier Side ResMed H3i Heated Humidifier Back
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