Testo sets the benchmark in precision measurement for HVAC-R professionals. From smart probes to digital manifolds, Testo instruments are built to deliver fast, accurate results where it counts—on the job.
Trusted by HVAC Technicians
Unmatched Accuracy: German engineering that delivers consistently precise data.
Smart Tools, Real Insights: Bluetooth connectivity, app integration, and digital diagnostics that streamline every service call.
Built for the Field: Rugged design, fast response times, and intuitive controls—perfect for tough environments.
HVAC Essentials by Testo – Start browsing below!
Cool Tools HVAC-R stocks a specialist selection of Testo instruments designed for HVAC precision, including digital manifolds, vacuum gauges, smart probes, temperature and humidity meters, and combustion or refrigeration analyzers. Each tool is engineered to deliver fast, reliable data for diagnostics, servicing, and system performance.
DOWNLOAD BROCHURE The Testo 925 temperature measuring instrument is an all-rounder for temperature measurement in heating engineering, the sanitation sector and refrigeration and air conditioning technology. Measuring range from -50 to...
Use the clamp probe (NTC) to accurately measure surface temperatures on heating system pipes, water pipes, refrigeration systems or heat pumps (pipe diameter 6 to 35 mm). Depending on the...
Use the clamp probe for fast, accurate surface temperature measurements on pipes with diameters of 6 to 35 mm. Fixed cable 5 m. Depending on the measuring instrument connected, the...
The Testo Smart Case “VAC” protects your instruments and keeps them tidy. The soft foam insert with custom-fit compartments ensures that each measuring instrument has its own space. And thanks...
0516 0224 Testo Compact TopSafe Protective Case The Compact TopSafe Protective Case protects the measuring instrument against impacts and dirt. With mounting magnets and stand-up bracket Protection class IP65 with the...
Use the connection hose to connect suitable Pitot tubes and pressure probes with one another. The hose is made of silicone and has a max. load capacity of up to...
0636 9775 Testo Digital Humidity/Temperature Probe up to +180°C For measurements in industrial exhaust air, in bulk materials and in climatic test cabinets: use the robust humidity/temperature probe (with the compatible...