top of page
Jeune femme qui respire

Analyze your breathing, optimize your health and athletic performance

Simple and portable breathing devices

Breathe, analyze, improve

Health, sport, well-being, nutrition

Unique gas sensor technology

Waiting Room
Untitled design (24).png

PAIRFS DEVELOPS RESPIRATION ANALYSIS DEVICES FOR SPORT, HEALTH AND WELL-BEING

Untitled design - 2025-07-24T150112.499.png

GET RELIABLE DATA ON NUTRITION, PHYSICAL ACTIVITY, SPORT PERFORMANCE, MICROBIOTA HEALTH...

Untitled design (23).png

PAIRFS MAKES BREATHING ANALYSIS POSSIBLE FOR EVERYONE THANKS TO INNOVATIVE GAS SENSOR TECHNOLOGY

Cycliste qui respire

Analyze your breathing and gain key insights into sports, health, and well-being.

Sport

Measure your physiological training zones

Master your energy systems through effort

Measure your potential

Track your progress

Well-being

Practice relaxation

Optimize your diet

Adapt your physical activity

Nutrition

Optimize your diet to burn the appropriate amount of fat

Fuel yourself optimally during physical exertion

Eat to recover well after physical exertion

Health

Monitoring of respiratory diseases

Adapted return to effort

Measure the health of your microbiota

external-file_edited.jpg

Discover our first product
ZoneX

ZoneX makes it easy to measure the true physiological training zones for athletes.

 

ZoneX is plug & play, works without calibration or maintenance.

It comes with software to help with testing on a stationary bike or treadmill. A mobile app is also available for conducting tests in a stadium or outdoors.

ZoneX generates a complete report after a test

 

grenoble (1).webp

Why PAIRFS?

The wearables industry has grown significantly over the last 15 years. There are connected devices for everything: heart health, physical activity, sleep, blood oxygenation... But nothing for analyzing respiration, a central parameter of our health and metabolism.

​

Existing gas sensors on the market are actually quite unsuitable for this type of measurement. At PAIRFS, we are therefore developing our own gas sensor technology to make breath analysis possible in wearables.

 

PAIRFS relies on the Grenoble ecosystem, where gas sensor technologies are being developed; more than 7 startups on different technologies have been created in recent years.

 

PAIRFS has developed a moisture-resistant CO2 sensor for its first product, ZoneX. A collaboration has been established with CEA LETI to develop a dual optical O2/CO2 sensor for future simple, portable, and affordable nutrition and sports products.

 

And this is just the beginning; PAIRFS will continue to develop other gas sensors for other applications around respiration analysis.

bottom of page