KWJ Engineering

Innovative solutions for Gas Detection

Gas Sensing Technology for Industry, Community, Health & Home

Providing custom solutions, advanced sensors, innovative products, and unique services in environmental monitoring.


KWJ builds products for detecting and monitoring a variety of gases including carbon monoxide, ozone, hydgrogen sulfide, and other environmental pollutants.

Our instruments and modules are used in many industries including Smart Cities, Smart Homes, Personal Wearables, and IOT applications.


Research and Development  is at the core of KWJ Engineering.  We are innovators in gas detection, continuously developing unique, cutting edge solutions for new applications.


KWJ’s Engineering Services set us apart from other manufacturers.  From concept to mass manufacture, we develop custom products and solutions to fit your unique needs, both in traditional and emerging applications.

Our Team

Our diverse team of Engineers provide specialized skills for product development and custom engineering.

Chemical Engineering

 Mechanical Engineering



Sensor Design


Electrical Engineering


Product Solutions For Environmental Monitoring

Health and Safety

Smart City

Ozone Detection

Medical & Industrial

SPEC Sensors

Visit our partner company for high performance gas sensors