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H2 Heated Humidifier with hose

BY Philips Respironics  |  Item #1009491
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Learn More About This Product

The H2 Heated Humidifier warms and moistens the air delivered by positive airway pressure devices to enhance comfort and compliance for patients. Heated humidification can help to prevent nasal dryness, congestion, and discomfort that are sometimes associated with positive airway pressure therapy

The H2 Heated Humidifier heats the water in the chamber, which increases its capacity to produce water vapor. Increased water vapor means that more humidity is added to the air that is delivered through the patient circuit. Increased humidity output provides a more comfortable delivery of therapy to the patient, and is generally preferred during subjective evaluations.

H2 Heated Humidifier comes with:

  • 2 Couplers
  • Funnel
  • Replacement Flapper valve
  • 18" Humidifier Hose
  • What are the benefits of using a humidifier?
    Many CPAP users experience nasal congestion and dryness of the nose and throat during treatment. This can be especially problematic for new users who are adapting to treatment. Humidification adds moisture to the air helping to reduce the symptoms of dryness and congestion.

    Nasal congestion also leads to mouth breathing, which perpetuates the problem of dryness. If this is an issue for you, try a heated humidifier.
    What is a heated humidifier?
    A heated humidifier uses heat to warm the water to add moisture to the airstream. The heat is adjustable for more or less moisture. A heated humidifier water chamber is much smaller than a passover humidifier water chamber.

    In our experience, it is common for CPAP users to report that their therapy is greatly enhanced by the use of a heated humidifier.

    There are three types of heated humidifiers:

    What is a passover humidifier?
    A passover humidifier uses a chamber of room temperature water with the CPAP to add moisture to the airflow and reduce irritation to the nasal passages.

    Air flows from the CPAP through a short hose to the humidifier chamber where the air "passes over" the water to pick up whatever moisture it can. The air then flows into the six foot hose to the mask.

    Passover humidifiers may provide sufficient moisture with CPAPs set at lower-end pressures. However, if the moisture is not sufficient there is no way to increase the amount of moisture added. The water is room temperature. In cold climates, the water temperature will drop causing the CPAP air to become very cold, and causing the amount of moisture to be reduced.
    What is an integrated humidifier?
    An integrated humidifier is used with a specific CPAP and fits directly onto the machine. For most heated humidifiers, this design eliminates the need for a second hose as well as a second power cord.

    An advantage of an integrated humidifier is that it works very closely with the CPAP machine to deliver humidification. Also, an integrated humidifier is a compact unit that uses fewer parts to provide moisture to the user.

    A disadvantage of the integrated humidifier is the user will receive less moisture when it is used with a passover humidifier. The smaller surface area effects the amount of moisture produced. Also, a integrated humidifier will only function with the CPAP for which it was designed.

    You can see if your machine has an integrated humidifier option by reviewing our Compare Charts.

    An example of an integrated humidifier is the PR System One Heated Humidifier as seen below attached to a machine in the PR System One line. PR System One Heated Humidifier

    Here are some of the integrated humidifiers we carry:

    DreamStation Heated Humidifier
    Transcend Heated Humidifier
    IntelliPAP 2 Heated Humidifier with Pulse Dose Humidification
    PR System One 60 Series Heated Tube Humidifier with Heated Tube
    What is a built in humidifier?
    A "built in" humidifier is designed as a part of the CPAP machine and cannot be removed or separated from the CPAP machine. As with an integrated humidifier, the design eliminates the need for a second hose or power cord. The water chamber can be removed for cleaning or replacement purposes.

    The advantage of a "built-in" humidifier is its compact shape, which operates on fewer parts. This integrated design helps to ensure optimum moisturized comfort and effectiveness when CPAP therapy and humidification are used together. Also, it allows an option for the humidification to be turned off while the CPAP is blowing.

    A disadvantage is that a built in humidifier may produce less moisture if used as passover because the surface area is typically smaller. Also, since the humidifier is "built in" to the machine, detaching it is not an option. This can be an issue for frequent travelers. Lastly, if the machine or humidifier stops working, the entire unit must be sent in for repair or replacement, not just the component that failed.

    An example of a machine with a built in humidifier is the ICON Auto CPAP Machine with Built In Heated Humidifier and SensAwake as seen below. ICON Auto CPAP Machine with Built In Heated Humidifier and SensAwake
    Here are some other machines we carry with built-in humidifiers:

    AirSense™ 10 CPAP Machine with HumidAir™ Heated Humidifier
    AirSense™ 10 AutoSet CPAP Machine with HumidAir™ Heated Humidifier
    iCH Auto CPAP Machine with PVA and Built-In Heated Humidifier
    + See More
    What is a stand alone humidifier?
    A stand alone humidifier is a component that will work with any CPAP and does not attach directly to the machine. It has its own power cord and a short hose to connect it to the CPAP. Generally it will sit next to the CPAP machine and is slightly larger than an integrated humidifier.

    The advantage of a stand alone humidifier is the fact that it may be used with any CPAP machine.

    The main disadvantages are that the size is often larger than either a "built in" or integrated humidifier and that a short hose is needed to connect it to the CPAP machine.

    An example of a stand alone humidifier is the Fisher & Paykel HC150 Heated Humidifier as seen below. HC150 Heated Humidifier
    What is rainout?
    Rainout is the accumulation of water in a CPAP tube due to warm moist air cooling and condensing on its way from your CPAP machine to your CPAP mask.

    The image below from Fisher & Paykel explains how rainout is formed. Warm, moist air leaves the heated humidifier and travels through the CPAP tube. As air flows through the tube, the temperature of the room causes the tube to cool. As the tube cools, the air inside releases its moisture, and creates condensation in the hose.

    Solutions to rainout include:
    • Raise the temperature of your bedroom.
    • Keep your CPAP machine at the same level as your bed.
    • Insulate your tubing with a hose cover like Snugglehose.
    • Reduce the temperature setting on your heated humidifier.
    • Purchase a CPAP machine with a rainout reduction comfort feature.
    • Some machine systems offer a compatible heated CPAP hose which maintains the temperature from the machine all the way to the mask, reducing the occurrence of rainout. The list of available heated hoses can be found here: Hoses With Heating Coils.
    • If your machines uses a standard hose, consider the Hybernite Heated Rainout Control System.


    Conventional Humidification
    How do I care for my humidifier?

    To care for your humidifier simply empty and clean the water tank each morning. Only distilled water should be used in the humidifier to avoid mineral deposit build up. S9 Dishwasher Safe Humidifier Chamber

    Here are some items that can help with caring for your humidifier:


    CleanSmart CPAP Disinfectant Spray

    Control III Disinfectant CPAP Cleaning Solution - 16 oz Concentrate

    Control III Disinfectant CPAP Cleaning Solution - Home Care Kit

    Hurricane CPAP Equipment Dryer

    What does a humidifier prescription need to say?
    A humidifier prescription must contain all of the following information:
    • One of the following words or phrases: "CPAP Humidifier", "Humidifier", "HH", "CPAP Supplies", "CPAP Mask", "CPAP", "Continuous Positive Airway Pressure", "APAP", "AutoPAP", "AutoSet", "Auto CPAP", "Auto Adjusting CPAP", "Self Adjusting CPAP", "BiPAP", "BiLevel", "VPAP", "BiPAP Auto", "BiPAP ST", "Synchrony ST", "VPAP ST"
    • Your physician's contact information
    • Your physician's signature
    • The patient's full name

    Here are some of our top selling humidifiers:

    PR System One 60 Series Heated Tube Humidifier with Heated Tube
    Transcend Heated Humidifier
    XT Heated Humidifier
    + See More
    Are prescriptions required for mask, machine, humidifier, and EPAP purchases?

    Yes. Federal law requires we have a valid prescription on file before we ship your mask, machine, humidifier, or EPAP therapy, including Provent and Bongo RX. You will also need a prescription to purchase the Nightbalance POSA device.


    We provide many easy ways to get your prescription:

    • We can request your prescription for you! When you checkout, just let us know you would like us to request your prescription, or you can log into your account to have us request your prescription.
    • Fax your prescription to our toll-free fax number: 866.353.2727, or our international fax number: 713.541.7377
    • Email your prescription to cpap@cpap.com
    • Upload your prescription in your account, under the Prescriptions Section
    • Ask your doctor to fill out our prescription form. We have both a standard prescription form and an EPAP prescription form.


    For more information on prescriptions, please see our Prescription Section of the Learning Center.


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    "Super helpful, fast shipping, friendly assistance, great selection, I love this company."

    - Verified Customer, 10/25/22

    ★★★★★

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    ★★★★★

    Verified purchase | Dec. 09, 2010 | Verified CPAP.com Customer
    The water fill amount is a little low. I've nearly run out of water twice in 8.5 hrs of sleep with the heat level only on 3.
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    ★★★★★

    H2 Heated Humidifier

    Verified purchase | Jul. 02, 2008 | Verified CPAP.com Customer
    I've had my CPAP for 8 years. Unfortunately, my model was before humidifiers were standard. I contacted Respironics and asked what humidifier was compatible and they told me the H2. I received my humidifier 1 week ago and am totally pleased with it. No more waking up with dry nostrils, sinuses, and throat. The humidifier works wonders! Couldn't be easier to connect or use. I LOVE IT!
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    ★★★★★

    Verified purchase | Feb. 26, 2008 | Verified CPAP.com Customer
    the heated humidifier seems much more comfortable and does not dry my out like old un-heated humidifier
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    ★★★★★

    H2 Heated Humidifier with Hose

    Verified purchase | Dec. 10, 2007 | Verified CPAP.com Customer
    The product arrived on time and well-packed. The instructions for first time set up were clear and easy to follow. I was relieved it came with a tray which holds my CPAP machine so they make a nice neat unit. Using the humidifier has eliminated my problem of dry sinus and nasal passages and congestion very well. I am sleeping well and through the night even with a slight increase in sound and the green light that indicates it is on. There is a decrease in the sound at the exhale vents, which is very good. I have had to add a few minutes to preparing for bed and in the morning, however, they are worth it for the good results. I had no moisture around the machines to harm floor or furniture. Thank you for such good service and a good product.
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    ★★★★★

    FINALLY...

    Verified purchase | Sep. 11, 2007 | Verified CPAP.com Customer
    About 11 years ago, my husband got his CPAP machine, after one night of sleeping with it he discovered he needed a humidifier. At the time we could not afford a heated humidifier so we got a pass over one. Since then we placed the humidifier on a heating pad and we would add warm water the the humidifier every night. Just recently the humdifier sprung a leak and shorted out the heating pad, it was then that we decided it was time to upgrade. The biggest concern was of course, price. I looked on the internet and luckily found cpap.com. The price was great and the service was excellent. It only took one day to receive the humidifer and my husband loves it. I love it too, because he doesn't complain anymore about it not being warm enough. Thank you, thank you, thank you!!!!
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    ★★★★★

    The Best!

    Verified purchase | Jun. 07, 2007 | Verified CPAP.com Customer
    I am a RPGS-T working at sleep center and this is the same make and modle I use for my patients and I just love it. Keep up the good work!
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