What Does the Snowflake Symbol on Your CPAP Machine Mean?

This article discusses What Does The Snowflake Mean On My Cpap Machine, hopefully providing additional knowledge for you.

As a CPAP user, you are likely familiar with your machine’s various indicators and features. One symbol that you may have noticed, particularly if you have a ResMed CPAP machine, is a snowflake. This symbol can raise questions and concerns, especially if you have not seen it before. Let’s delve into the meaning of the snowflake symbol and provide valuable insights into its significance.

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What Does The Snowflake Mean On My Cpap Machine

Understanding the Humidity Function and the Snowflake Symbol

To fully comprehend the snowflake symbol, it’s crucial to understand the concept of humidity in CPAP therapy. CPAP machines deliver pressurized air to help maintain open airways during sleep. This airflow can sometimes feel dry and irritating, leading to discomfort and other issues like nosebleeds and dry mouth.

To mitigate these problems, many CPAP machines are equipped with a humidifier. Humidifiers add moisture to the airflow, reducing dryness and making therapy more tolerable. The snowflake symbol on your CPAP machine indicates that the humidifier function is active. When you see this symbol, you can be assured that the machine is working to humidify the air you breathe during sleep.

Adjusting Humidity Levels for Optimal Comfort

While humidity is beneficial, finding the optimal balance is essential. Excessive humidity can lead to condensation within the CPAP machine and tubing, contributing to discomfort and potential health concerns. On the other hand, inadequate humidity can result in dryness and irritation.

Most ResMed CPAP machines offer adjustable humidity levels, allowing you to customize the airflow to your specific needs. To adjust the humidity, look for the “Humidifier” or “H” button on your machine. Use the plus or minus controls to increase or decrease the humidity level. Experiment with different settings until you find the most comfortable level for your therapy.

Tips and Expert Advice for Effective CPAP Humidification

Here are some helpful tips and expert advice to optimize your CPAP humidification experience:

  • Start with a low humidity setting and gradually increase it as needed: This approach minimizes the risk of condensation and discomfort.
  • Use distilled water in your humidifier: Impurities in tap water can lead to residue buildup and potential health concerns.
  • Clean your humidifier regularly: Follow the manufacturer’s instructions for cleaning and maintenance to prevent bacterial growth and ensure optimal performance.

FAQ on CPAP Humidification and the Snowflake Symbol

  1. Q: What does the snowflake symbol on my CPAP machine mean?

    A: The snowflake symbol indicates that the humidifier function is active.
  2. Q: Why use a humidifier with my CPAP therapy?

    A: Humidifiers reduce dryness and irritation caused by CPAP airflow, enhancing comfort and preventing issues like nosebleeds.
  3. Q: How do I adjust the humidity level on my CPAP machine?

    A: Look for the “Humidifier” or “H” button on your machine and use the plus or minus controls to adjust the setting to your preference.


The snowflake symbol on your CPAP machine is a reminder of the importance of humidity in CPAP therapy. By understanding the function of the humidifier and adjusting the humidity level to your individual needs, you can optimize your CPAP experience, minimize discomfort, and improve sleep quality.

Are you interested in unlocking the full potential of your CPAP therapy? Let us help you navigate the world of CPAP humidification and answer any questions you may have. Contact us today for personalized advice and support.

What Does The Snowflake Mean On My Cpap Machine


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