AirCurve vs AirSense in Singapore

Key takeaways

• AirSense usually refers to CPAP/APAP therapy, while AirCurve usually refers to bilevel PAP with separate inspiratory pressure and expiratory pressure settings.
• AHI thresholds of 5/15/30 are commonly used to describe mild, moderate and severe obstructive sleep apnea severity after a sleep study.
• In Singapore, ResMed AirSense 11 Bundle is $2,068 nett and AirSense 10 Bundle is $1,868 nett at Comooz.
• A 5-night CPAP trial is not free; it includes a deposit, mask cost and a $98 return fee.
• Comooz, a Singapore CPAP provider (UEN 201808754M), offers Type 3 home sleep test access on demand and arranges Type 2 home sleep tests manually with a trained specialist.
• Comooz showroom visits are at 151 Chin Swee Rd, #02-03, Singapore 169876, strictly by appointment.

AirCurve vs AirSense: the short answer for Singapore patients

The short answer is that aircurve vs airsense is really a question about bilevel PAP vs CPAP/APAP. AirSense is commonly the more typical starting point for straightforward obstructive sleep apnea, while AirCurve is usually considered when a doctor prescribes bilevel therapy for pressure tolerance, higher pressure needs, or more specific treatment goals.

For many people in Singapore, the correct sequence is: symptoms such as snoring or daytime sleepiness, a sleep study such as a home sleep test in Singapore, review by a doctor or sleep specialist, then machine selection. Choosing the therapy type first is usually more important than choosing the model family first.

What is the difference between AirSense and AirCurve?

The main difference between AirSense and AirCurve is pressure delivery. AirSense models generally provide one continuous pressure or an auto-adjusting pressure range, while AirCurve models provide two pressure levels: a higher inspiratory pressure and a lower expiratory pressure.

AirSense is associated with CPAP and APAP. CPAP means continuous positive airway pressure. APAP means auto-adjusting positive airway pressure. In practical terms, the machine helps keep the airway open with one set pressure or a pressure range that adjusts during sleep.

AirCurve is associated with bilevel PAP, sometimes called BiPAP in general conversation. Bilevel PAP gives separate inhale and exhale settings. The inspiratory pressure is often referred to as IPAP, and the expiratory pressure is often referred to as EPAP.

That split can matter when a patient finds exhaling against higher CPAP pressure uncomfortable. It can also matter when a doctor wants more control over pressure support, titration and therapy settings based on the sleep study and follow-up data.

How CPAP/APAP and bilevel therapy work

CPAP/APAP and bilevel therapy all use pressurised air to reduce airway collapse during sleep. The difference is whether the machine uses one pressure pattern or two distinct pressure levels.

In obstructive sleep apnea, the upper airway narrows or collapses repeatedly during sleep. PAP therapy acts like a pneumatic splint. It does not cure OSA, but it can help keep the airway open while the device is used.

How AirSense-style CPAP and APAP work

A CPAP machine delivers one fixed therapeutic pressure. An APAP machine delivers a pressure range and adjusts within that range when the device detects flow limitation, snoring, hypopneas or obstructive events.

This is why many OSA patients start with an AutoSet model from ResMed. It can adapt through the night and may improve comfort for some users while maintaining treatment.

How AirCurve-style bilevel PAP works

A bilevel PAP machine delivers a higher pressure for inhalation and a lower pressure for exhalation. The gap between the two is called pressure support.

That difference can help some patients who struggle to tolerate higher CPAP pressures. It may also be used in more specific clinical scenarios where the sleep physician wants separate control of inspiratory and expiratory pressures.

Why this matters clinically

Therapy choice affects comfort, adherence and effectiveness. A patient with uncomplicated OSA may do very well on APAP, while another patient may need bilevel settings after formal review, titration and physician assessment.

AirCurve vs AirSense at a glance

The clearest way to compare aircurve vs airsense is by therapy mode, pressure pattern, and prescription intent. They are related ResMed product families, but they are not interchangeable in every case.

The best machine family is the one that matches the prescribed therapy. If you are comparing options, it helps to review CPAP machines in Singapore and discuss whether you are being considered for standard PAP or bilevel PAP.

Who may be prescribed AirSense, and who may be prescribed AirCurve?

AirSense is commonly prescribed for many patients with obstructive sleep apnea. AirCurve may be prescribed when bilevel therapy is clinically indicated or when pressure tolerance is a concern.

Many patients with OSA are diagnosed after polysomnography or a home sleep test. AHI, symptoms, oxygen desaturation, sleep fragmentation and pressure requirements all help guide next steps. An AHI of 5 or more can support an OSA diagnosis in the right clinical context, with 5-14.9 often considered mild, 15-29.9 moderate and 30 or more severe.

An AirSense machine may suit people who:

• have straightforward OSA treatment needs
• are prescribed CPAP or APAP
• need auto-adjusting therapy through the night
• can tolerate standard PAP pressures well
• want a common and simpler PAP pathway after diagnosis

An AirCurve machine may be considered for people who:

• need bilevel PAP prescribed by a doctor
• have difficulty exhaling against higher CPAP pressure
• need separate inspiratory pressure and expiratory pressure settings
• have physician-directed needs that require closer pressure control
• have already tried CPAP/APAP optimisation but still struggle with pressure tolerance

This is also a useful “who this is / is not for” distinction. AirCurve is not usually a self-upgrade for convenience. AirCurve is for people whose therapy plan specifically calls for bilevel treatment after medical review.

Is AirCurve better than AirSense?

Not necessarily. AirCurve is not automatically better; it is more specialised. If you need standard CPAP or APAP, AirSense may be the more appropriate and simpler option. If you need bilevel therapy because of pressure tolerance or physician-directed reasons, AirCurve may be more suitable.

In other words, “better” depends on fit with your prescription.

A more expensive or more advanced-seeming machine family is not automatically the right one. What matters is whether the therapy mode matches your sleep study results, symptoms, pressure needs, and follow-up data.

Is AirCurve more comfortable than AirSense?

For some patients, yes, but not for everyone. AirCurve can feel more comfortable if you struggle to breathe out against higher CPAP pressure because bilevel therapy allows a lower exhalation pressure.

However, many users are comfortable on AirSense once the basics are optimised, including:

• correct pressure range n- good mask fit

• humidity settings

• ramp settings

• leak control

• treatment of nasal congestion

That is why comfort alone does not automatically mean you should move to AirCurve. Sometimes the answer is mask or settings adjustment rather than a change in machine family.

Is AirCurve only for severe sleep apnea?

No. AirCurve is not defined only by AHI severity. A person with severe OSA may still do very well on AirSense if CPAP or APAP is appropriate. Conversely, a person does not need the highest AHI category to be considered for bilevel therapy if there are pressure tolerance or physician-directed reasons.

Severity is one factor, but not the only factor. Doctors usually consider the full picture, including:

• AHI and event pattern
• oxygen desaturation
• symptoms and daytime sleepiness
• pressure requirements
• tolerance of CPAP or APAP
• titration findings
• comorbidities and clinical complexity

How doctors decide between the two after a sleep study

Doctors decide between AirSense and AirCurve by matching the sleep study findings to the treatment goal. The sleep study defines the problem; the prescription defines the machine type.

A sleep study may be done as in-lab polysomnography or as a home sleep test. A home sleep test is a portable test used to assess sleep-disordered breathing outside the lab. Comooz offers Type 3 testing on demand and can arrange Type 2 testing manually with a trained specialist.

After the sleep study, the doctor may consider:

• AHI severity
• obstructive event pattern
• oxygen desaturation
• daytime symptoms
• snoring and witnessed apnea history
• prior CPAP tolerance
• titration response
• comorbidities and clinical complexity

If CPAP or APAP is suitable, an AirSense line machine may be recommended. If bilevel therapy is more appropriate, an AirCurve line machine may be recommended. This is why self-switching between the two without review is not advised.

For general education on PAP therapy and sleep apnea terms, Comooz also maintains a sleep apnea learning resource.

Can I switch from AirSense to AirCurve on my own?

You should not switch on your own without medical guidance. Moving from CPAP/APAP to bilevel therapy changes how pressure is delivered and usually requires the right IPAP, EPAP and pressure support settings.

If you are struggling on AirSense, the usual safer sequence is:

• review mask leaks and fit
• review dryness, congestion and humidification
• review pressure range and ramp comfort
• review residual events and usage data
• consult a doctor or sleep specialist if problems persist

Sometimes the issue is not the machine family. It may be mask leak, mouth leak, poor humidity, nasal blockage, or settings that need adjustment.

AirSense 10 vs AirSense 11: where they fit into this comparison

Some people searching aircurve vs airsense are actually deciding between AirSense 10, AirSense 11, and the idea of whether they should skip straight to an AirCurve. That is a separate question.

Both AirSense 10 and AirSense 11 sit within the CPAP/APAP side of the comparison. They are not bilevel devices just because they are newer or pricier.

At Comooz, the listed bundle prices are:

The AirSense 11 has a full-colour touchscreen, Climate Control with integrated humidifier, over-the-air updates and Care Check-in, plus a sleeker lightweight profile. The AirSense 10 has a monochrome display with dial, integrated HumidAir chamber, built-in cellular connectivity for the myAir app and a proven workhorse design.

If your doctor says CPAP or APAP is appropriate, the AirSense 10 vs AirSense 11 question is mainly about interface, features, ecosystem and budget. It is not the same as the AirCurve vs AirSense decision.

Costs in Singapore: machine bundles, trial and rental considerations

In Singapore, the machine price depends on model family and bundle contents. Price alone should not decide aircurve vs airsense, but it is still an important practical factor.

A practical comparison for Singapore patients looks like this:

If you are unsure whether PAP will suit you, a 5-night CPAP trial may help. It is not a free trial. It includes a deposit, mask cost and a $98 return fee.

Monthly rental may also be available, with 3-month offset rules toward purchase. That can be useful for people who want to assess comfort, mask fit and adherence before committing to a long-term device.

Singapore-specific practical factors: climate, bedrooms, travel and daily use

People do not use PAP devices in a vacuum. In Singapore, practical home conditions can affect comfort and adherence.

Air-conditioning and humidity

Many users sleep in air-conditioned bedrooms. Even in a humid country like Singapore, overnight air-conditioning can dry the nose and throat. Built-in humidification can matter a lot for comfort, especially if you wake with a dry mouth, dry nose or stuffy nose.

HDB living and noise concerns

Users commonly worry that PAP devices will disturb a partner, roommate or family member in an HDB flat or condo bedroom. In real-world use, the bigger source of disturbance is often mask leak rather than the machine itself. A well-fitted mask, good tubing setup and the right humidity settings can matter more than switching machine families for noise reasons.

Bedroom space and setup

A stable bedside setup helps. You need space for the device, humidifier, tubing and power supply, plus access for filling and cleaning the water chamber. If your room is compact, the machine footprint and hose routing may matter for convenience, but that still comes after therapy type.

Frequent travel

If you travel for work between Singapore and the region, machine weight, portability, power setup and carrying convenience may influence which CPAP/APAP model you prefer. But travel convenience should not override the prescription logic between standard PAP and bilevel PAP.

Comfort, pressure tolerance, noise, masks and long-term adherence

Comfort is a major factor in PAP adherence. Even the right therapy can fail if the mask fit is poor, humidity is uncomfortable or pressure feels difficult to tolerate.

Mask choice matters. Nasal pillows, nasal masks and full face masks each suit different breathing patterns and preferences. People who mainly breathe through the nose may prefer a nasal pillow or nasal cradle option, while people with more consistent mouth breathing may need a full face mask.

Nasal pillow vs full face: which may suit you?

A nasal pillow mask seals at the nostrils and is often lighter on the face. A full face mask covers the nose and mouth and may suit users who mouth-breathe during sleep.

Humidification and comfort

Humidification can reduce dryness and improve comfort. ResMed AirSense models discussed here include built-in humidification, which is important for many users in air-conditioned Singapore bedrooms.

Pressure tolerance and adherence

Some users adapt well to APAP but struggle when pressures rise. Others do well once mask fit, humidification and ramp settings are optimised. If pressure tolerance remains poor despite troubleshooting, that is when medical reassessment may be needed to decide whether bilevel therapy should be considered.

Data and follow-up matter

A machine that is technically “working” may still not be working well enough for you. Follow-up often looks at:

• hours of use per night
• mask leak levels
• residual AHI
• subjective sleep quality
• daytime sleepiness
• pressure tolerance

This is one reason not to compare AirCurve vs AirSense purely by brochure features. The real decision often becomes clearer only after reviewing usage data and symptoms.

Insurance, claims and subsidy questions in Singapore

Patients often ask whether PAP devices or sleep tests are claimable. Coverage depends on your insurer, policy wording, diagnosis, referral pathway and whether your provider or doctor documentation meets claim requirements.

Some practical points:

• PAP devices are not automatically covered just because you snore.
• Claimability may differ between an in-lab sleep study, a home sleep test, and the device itself.
• Integrated Shield Plan, rider, employer insurance, and corporate benefits all vary.
• Medisave and subsidy rules can depend on the specific clinical setting and provider pathway.

Because policies vary, the safest approach is to ask your insurer or clinic what documentation is required before assuming a machine or study will be claimable.

When AirSense is often enough, and when AirCurve may be considered

A common search intent behind aircurve vs airsense is: “Do I really need the more specialised option?”

For many patients with obstructive sleep apnea, AirSense is often enough when:

• CPAP or APAP has been prescribed
• pressure needs are manageable
• comfort is acceptable after mask and settings optimisation
• therapy data looks reasonable

AirCurve may be considered when:

• exhaling against pressure remains difficult
• pressure requirements are higher or more complex
• a doctor wants separate control of inhale and exhale pressures
• CPAP/APAP optimisation has not solved tolerance problems

That is a clinical decision, not a prestige decision.

Key takeaways before you choose a PAP device

Before you choose, remember that aircurve vs airsense is a medical matching question first. The machine should follow the diagnosis, titration logic and prescription.

A few practical rules help:

• Start with a proper sleep study if you have symptoms of OSA.
• Let a doctor or sleep specialist decide whether CPAP/APAP or bilevel PAP is appropriate.
• Focus on therapy fit, pressure tolerance and mask fit, not just model prestige.
• Review residual symptoms and adherence data if treatment feels difficult.
• Ask about trial and rental pathways if you are uncertain about committing immediately.

About Comooz in Singapore

Comooz is a Singapore CPAP provider, UEN 201808754M. The team provides PAP device guidance, mask fitting support, home sleep test access and appointment-based showroom support.

The showroom is at 151 Chin Swee Rd, #02-03, Singapore 169876, strictly by appointment. Support is available at support@comooz.sg or +65 8892 2591.

If you want to compare device options or arrange an appointment, you can contact Comooz here.

When to speak to a doctor or sleep clinic

You should speak to a doctor or sleep clinic if you snore heavily, have witnessed pauses in breathing, wake unrefreshed, get morning headaches or feel sleepy in the day. You should also seek review if you are already on PAP therapy but still feel unwell or cannot tolerate the pressure.

Medical review is especially important before moving from AirSense to AirCurve, changing EPAP or inspiratory pressure targets, or assuming bilevel PAP is automatically superior. PAP devices support treatment, but diagnosis and treatment decisions should come from a qualified doctor or sleep specialist.

Frequently asked questions

Is AirCurve better than AirSense?

Not necessarily. AirCurve is not automatically better; it is a different type of PAP therapy. AirSense is commonly used for CPAP or APAP, while AirCurve provides bilevel pressure with separate inhale and exhale settings. The right choice depends on your prescribed therapy, pressure requirements, comfort, and sleep study results.

What is the main difference between AirSense and AirCurve?

The main difference is pressure delivery. AirSense models generally provide one continuous pressure or an auto-adjusting pressure range. AirCurve models provide two pressure levels, typically a higher pressure for inhalation and a lower pressure for exhalation. This may help some patients who struggle with higher CPAP pressures or have more complex needs.

Which is better for sleep apnea, AirSense or AirCurve?

For many people with obstructive sleep apnea, AirSense is the more common starting point because CPAP or APAP is often appropriate. AirCurve may be better only when bilevel therapy is specifically indicated. The better option is the one that matches your doctor’s treatment plan, not the one that sounds more advanced.

Can I switch from AirSense to AirCurve on my own?

You should not switch on your own without medical guidance. Changing from CPAP/APAP to bilevel therapy may affect treatment effectiveness and comfort, and pressure settings need to be appropriate for your condition. A doctor or sleep specialist should review your symptoms, sleep study, and therapy data before recommending a change.

Is AirCurve more comfortable than AirSense?

It can be for selected patients, especially those who have difficulty breathing out against higher CPAP pressures. But many users become comfortable on AirSense once mask fit, humidity, ramp settings and pressure range are adjusted properly. Comfort alone does not automatically mean bilevel therapy is needed.

Is AirCurve only for severe sleep apnea?

No. AirCurve is not reserved only for severe OSA. AHI severity is important, but doctors also consider pressure tolerance, sleep study details, oxygen desaturation, symptoms and whether separate inhale and exhale pressures are needed.

Who usually needs an AirCurve machine?

An AirCurve machine may be considered for people who need bilevel therapy, such as those who have difficulty tolerating higher CPAP pressures or who have specific physician-directed treatment needs. It is not something to self-select based on comfort alone. A doctor should determine whether bilevel therapy is appropriate for you.

Do both AirSense and AirCurve help with obstructive sleep apnea?

Both may be used in sleep-disordered breathing care, but they are not interchangeable in every case. Many patients with obstructive sleep apnea do well on CPAP or APAP, while some may require bilevel therapy. The best option depends on the severity of symptoms, AHI, pressure needs, and a doctor’s treatment plan.

How much do PAP machines cost in Singapore?

Pricing varies by model and bundle. For reference, ResMed AirSense 11 Bundle is $2,068 nett and AirSense 10 Bundle is $1,868 nett. A 5-night CPAP trial is not free and includes a deposit, mask fee, and a $98 return fee. Monthly rental may also be available, subject to 3-month offset rules.

Is there a free CPAP trial in Singapore?

No. The 5-night CPAP trial referenced here is not a free trial. It includes a deposit, mask cost and a $98 return fee.

Do I need a sleep study before choosing AirCurve or AirSense?

In most cases, yes, that is the safer and more appropriate path. A sleep study helps determine whether you likely have obstructive sleep apnea, how severe it is, and whether CPAP/APAP or bilevel PAP is more suitable. Consult a doctor or sleep specialist for diagnosis and treatment advice.

What if I still feel tired on AirSense?

Do not assume you automatically need AirCurve. Ongoing tiredness can happen because of mask leak, poor usage time, mouth leak, nasal congestion, suboptimal settings, or other sleep and medical issues. A doctor or sleep specialist should review your therapy data and symptoms before any change in machine type.

Related guides

• ResMed Trial in Singapore: Cost, Process & Options
• AirSense 11 Specs in Singapore
• ResMed P10 vs N30i in Singapore
• ResMed AirSense 11 Weight in Singapore
• More cpap machines guides
• Ready to act? CPAP machines available in Singapore or WhatsApp Comooz at +65 8892 2591.