Testo

Testo is a leading manufacturer of precision HVAC/R measuring instruments, including advanced digital manifold sets designed for refrigeration and air conditioning diagnostics. Known for German engineering quality, Testo manifold sets provide accurate pressure readings, temperature measurements, and system analysis for efficient servicing and commissioning of HVAC systems. With features such as wireless connectivity, smart app integration, and high-precision sensors, Testo tools help technicians work faster and more accurately in the field. Trusted by HVAC professionals worldwide, Testo manifold sets deliver reliable performance for system charging, diagnostics, and maintenance across residential, commercial, and industrial applications.