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.
0554 3112 Testo Shut Off Valve This premium shut-off valve guarantees secure charging hose connection with zero refrigerant leakage. Constructed from robust, pressure-resistant brass, it delivers exceptional longevity and dependable performance...
Equilibrium moisture content is ideally measured in a bore hole in the material. The thin humidity probe with a probe shaft diameter of 4 mm (connected to an appropriate measuring...
With the small lux and UV probe (28 x 56 x 15 mm), you can reliably monitor light-sensitive exhibition objects both in the exhibition room and in display cabinets. Small...
With the small lux probe (28 x 56 x 15 mm), you can reliably monitor light-sensitive exhibition objects both in the exhibition room and in display cabinets. Measurement range: illuminance...
It is not always possible to place a data logger directly inside a display cabinet. The small temperature and humidity probe (38 x 16 mm) is ideal for measuring temperature...
DOWNLOAD BROCHURE FAQ The compact AC & refrigeration test set is a combination of four instruments to measure high-side and low-side pressures and temperatures of A/C and refrigeration systems. Configured...
DOWNLOAD BROCHURE FAQ The compact VAC kit includes four App-controlled measuring instruments for the most important measuring tasks performed by VAC engineers: the testo 405i thermal anemometer, the testo 410i...
DOWNLOAD BROCHURE FAQ The compact heating set with the testo 115i clamp thermometer, the testo 510i differential pressure measuring instrument and the testo 805i infrared thermometer is ideal for the most important...
