A New Approach to FeNO Testing: Simplicity, Performance and Accessibility Combined

FeNO (Fractional exhaled Nitric Oxide) testing has become an increasingly important tool in the diagnosis and management of respiratory conditions, particularly asthma. Over the past decade, advances in technology have helped bring FeNO testing into routine clinical practice, supporting more informed treatment decisions and improved patient outcomes.

However, as adoption has grown, so too has the challenge of balancing performance, cost and practicality.

Historically, clinicians have relied on two broad categories of FeNO devices. On one hand, established high-performance systems have built strong reputations for accuracy and reliability, becoming a trusted standard in many clinical environments. On the other, more accessible alternatives have helped to expand availability by reducing initial investment, enabling FeNO testing to reach a wider range of healthcare settings.

While both approaches have played a valuable role in the evolution of FeNO testing, many healthcare providers have found themselves navigating trade-offs, particularly when considering long-term cost of ownership and operational complexity.

A New Generation of FeNO Testing

Now, a new solution has entered the market, designed to bridge this gap.

The Sunvou FeNO monitor represents a new generation of testing technology, developed to bring together performance, affordability and simplicity in a single device. It has been engineered to support accurate and reliable FeNO measurement, whilst also addressing practical considerations that impact day-to-day clinical use.

One of the key features of the system is its simplified operating model. Unlike some traditional devices, Sunvou FeNO has been designed without the need for annual servicing or calibration, helping to reduce administrative burden and minimise downtime. For busy clinical teams, this offers a more streamlined approach to integrating FeNO testing into routine workflows.

At the same time, the system has been positioned as a cost-effective option, both in terms of initial investment and ongoing use. This is intended to support broader accessibility to FeNO testing, particularly for community settings and GP practices looking to expand their diagnostic capabilities without significant additional overhead.

Clinical Feedback from the Front Line

Early feedback from respiratory specialists highlights the practical advantages of the device in real-world use:

Sophie Toor, Primary Care Respiratory Nurse Specialist and Clinical Director of Respiratory Matters, commented:

“I have previously used two different models of FeNO measuring devices, and whilst all the models have delivered the desired measurement, what really stood out for me with the Sunvou FeNO from Numed is the ease of use - not just for me as a practitioner, but for patients too. Simple instructions, great portability, minimal set up, and ability of the patient to perform the test correctly straight away, are all reasons why this has now become my preferred model. It makes FeNO testing more affordable too!”

Similar feedback has been echoed by other clinicians working in high-pressure environments:

“I am a Respiratory Nurse Specialist working in busy respiratory clinics. I have recently started using the Sunvou FeNO monitor from Numed Healthcare and I love it! It is so quick and simple to use and inexpensive too. All patients I have tested so far have managed to get a FeNO result first time, which is so refreshing. The cost per test is more affordable and there is no annual servicing required. We need easy to use devices to help our busy clinics run smoothly, and the Sunvou FeNO monitor is just what I needed. I am very happy with it!”

M.R., Respiratory Nurse Specialist (BSc)

Removing the Traditional Trade-Off

The introduction of Sunvou FeNO reflects a wider shift in expectations across healthcare technology. Increasingly, clinicians are looking for solutions that do not require compromise - devices that can deliver accurate and reliable clinical performance whilst also being practical and financially sustainable.

By addressing these needs, Sunvou FeNO aims to remove the traditional choice between premium performance and operational cost. Instead, it offers an integrated approach that aligns with the realities of modern healthcare delivery.

Supporting the Future of Respiratory Care

As respiratory care continues to evolve, the demand for accessible, accurate and easy-to-use diagnostic tools is expected to grow. FeNO testing is already playing a key role in enabling more personalised treatment pathways, and further innovation in this area has the potential to expand its impact even further.

With solutions such as Sunvou FeNO entering the market, healthcare providers now have greater flexibility in how they adopt and utilise this technology, helping to make advanced respiratory testing more widely available.

Accurate, reliable and affordable FeNO testing made simple