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.
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...
0635 1571 Testo Digital Humidity/Temperature Probe with Bluetooth For measurements in ventilation ducts: use the hot wire probe (with the compatible measuring instrument) to measure air velocity, volume flow, air temperature...
The immersion and penetration probe (thermocouple type K) is used primarily for measurements in water, to ensure that heating systems are configured correctly. Fast-action immersion/penetration probe (TC type K) with...
