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Humidifier rarely uses water
I have a System One REMStar 60 Series Auto CPAP with a heated humidifier. I almost always leave it set on humidity level 4.

I've noticed that on most nights the humidifier uses no water at all. Like zero -- the water level doesn't drop even 1/16" overnight. Other nights, it will use a fair amount of water.

Are these humidifiers "smart" -- i.e. do they sense the humidity of the air, and only add water if needed? The air feels cool and comfortable, and I'm not having any trouble with nasal or mouth dryness.

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yup Smile
Quote:[Commercial DME link removed by Admin]
The PR System One "60 Series" Integrated Heated Humidifier is designed to bring added comfort and improved performance to all PR System One "60 Series" CPAP & BiPAP machines as well as the PR System One REMstar SE. The "60 Series" Heated Humidifier measures and adapts to environmental changes to deliver the humidity level you prefer regardless of external factors. Add Heated Tubing for additional protection against rainout and higher overall humidity levels.

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If you are using an automatic humidity control and heat setting, then yeah...may or may not use much water, depending on the temperature and humidity in the room where you sleep and how long you sleep (longer = more water, obviously). I find it can also depend on the mask being used and its fit....more leaks = more air moving though the humidifier = more water used.

My S9 on auto for temp/humidity did the same thing. I personally like a little more humidity so I keep mine on manual. With my FitLife TFM, I have the heat and humidity down a bit....makes it a bit more comfortable for the face...and the machine sips water as my unintentional leak rate is pretty much 0.

My nasal pillows, which I wear on occasion, get a bit more heat and humidity to keep the nasal passages open. The pillows leak a bit more for me so I'll go through ~1/2 a tank a night, maybe a bit more, over the same amount of sleep time.

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