Your digital all-in-one solutions for a comprehensive quality management
Measuring technology at its best
Truly smart combustion measurement
Air flow and IAQ measurement improved to the max
Emission measurement on combined heat and power systems
We connect measurement technology to the digital world
Welcome to the Testo North America website, home of the world leader in the design, development, and manufacture of portable test and measurement instrumentation and solutions. Testo manufactures and calibrates instrumentation for a wide variety of applications, including HVAC, Refrigeration, Combustion and Emissions Testing, Catering, Food Processing, Indoor Air Quality, the Pharmaceutical industry and many more.
Please take a moment to review our company video, which highlights how Testo can assist in your Instrumentation and Solutions needs.