Testo SpA

Testo is a global leader in professional refrigeration instrumentation , offering solutions designed to ensure precise, reliable and fully traceable measurements at every stage of refrigeration circuit work.
From digital manifolds to vacuum gauges, from intelligent probes to continuous monitoring systems, Testo supports technicians, installers, and cold chain operators in controlling key parameters—pressure, temperature, vacuum, superheat, and subcooling—for more efficient, sustainable, and F-Gas-compliant management.

Thanks to the combination of digital technology, wireless connectivity and certified calibration processes , Testo instruments improve the quality of field interventions, reduce operating errors and ensure immediate and complete documentation.
With consolidated experience and in-depth HVAC/R specialization, the company contributes every day to the development of safer, higher-performance, and energy-saving refrigeration.