⚠ Before you buy — ASV is not for everyone
ASV therapy is CONTRAINDICATED in patients with chronic, symptomatic heart failure (NYHA class 2–4) with reduced left ventricular ejection fraction (LVEF ≤ 45%) and moderate to severe predominant central sleep apnea.
If ASV is right for you, this is the device most clinicians prescribe for it — and we’ll help you set it up and pick the mask that makes it work.
The AirCurve 10 ASV (part 37215) is an adaptive servo-ventilation device prescribed for obstructive sleep apnea, central and/or mixed apneas and periodic breathing in patients over 66 lb. It learns your recent minute ventilation and adjusts pressure support breath by breath; in ASVAuto mode it also auto-adjusts EPAP to keep the upper airway open. It includes integrated HumidAir humidification and works with ClimateLineAir heated tubing for Climate Control. A prescription is required, and ASV is contraindicated in chronic symptomatic heart failure (NYHA 2–4) with LVEF ≤ 45% and predominant central sleep apnea — confirm with your clinician first. It ships from Doral, FL with a 2-year manufacturer warranty, and you can add a compatible mask at 10% off.
CPAP, BiPAP or ASV — what your prescription is actually asking for
| CPAP / APAP | Bilevel (BiPAP) | ASV | |
|---|---|---|---|
| What it treats | Obstructive apnea | Obstructive apnea, higher pressure needs | Central & mixed apnea, periodic breathing |
| Pressure | One level (or auto range) | Two fixed levels: in and out | Support that changes breath by breath |
| If you stop breathing | Holds the airway open | Holds it open, two levels | Detects the missing breath and supports it |
| Airway control | Yes | Yes | Yes — ASVAuto adjusts EPAP too |
| Humidifier | Integrated | Integrated | Integrated HumidAir |
| Prescription | Required | Required | Required — plus a safety check |
Quick pick: if your airway is clear but the breath itself stops, pressure alone won’t fix it — that’s what ASV is for. If you were prescribed CPAP or bilevel instead, tell us and we’ll point you to the right machine.
AirCurve 10 ASV — specs at a glance
What’s in the box
The AirCurve 10 ASV ships complete, with the humidifier already built in.
AirCurve 10 ASV device
Part 37215, new in box
HumidAir humidifier tub
Integrated humidification
Standard air tubing
Heated ClimateLineAir available separately
Air filter
Installed and ready
Power supply + cord
Plug in and go
User guide
Setup guided on screen
2-year manufacturer warranty
Full factory coverage
Genuine original equipment
New in box, not refurbished.
2-year manufacturer warranty
Full factory coverage.
U.S.-based support
Setup help from our Doral, FL team.
We check the fit first
Tell us your prescription and we confirm before shipping.
Frequently asked questions
I have heart failure. Can I use ASV?
Not without your cardiologist’s clearance. ASV is contraindicated in chronic symptomatic heart failure (NYHA 2–4) with LVEF ≤ 45% and moderate to severe predominant central sleep apnea. This is a real safety limit. Ask the clinician who prescribed it before you buy.
How is ASV different from a BiPAP?
A bilevel machine gives you two fixed pressures — one to breathe in, one to breathe out. ASV changes the support continuously, targeting the ventilation you were achieving a few minutes ago. When your breathing fades it gives more; when you’re breathing well it backs off, so it doesn’t over-ventilate you.
Why doesn’t CPAP work for central apnea?
Obstructive apnea is a blocked pipe — air pressure alone can splint it open, which is why CPAP works. Central apnea is different: the airway is clear, but the signal to breathe doesn’t arrive. Pressure alone does nothing for that. ASV notices the missing breath and supplies the support for it.
Do I need a prescription?
Yes. ASV is a prescription device and the settings must come from your clinician. Masks, tubing and filters ship without a prescription — only the machine requires one.
Which mask should I use with it?
Most ASV users end up in a full face mask, because the pressures are higher and mouth leak breaks the therapy. But it depends on how you sleep. Add one here at 10% off, or call us and we’ll pick it with you — the mask is where this therapy succeeds or fails.
Can I travel with it?
It’s a home device with a humidifier, not a travel unit. There is no travel-sized ASV — if you fly often, talk to your clinician about what to do on the road.
ASV is a serious therapy. Talk to a person before you buy.
Tell us what your prescription says and what your clinician told you — we’ll confirm this is the right device, and say so plainly if it isn’t.

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