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.
Contact Us Now For Estimated Delivery Time - This item is not always in stock Pressure dewpoint probe for measurements in compressed air systems Sensor Humidity - Capacitive Pressure dewpoint...
DOWNLOAD BROCHURE Fully automatic and precise charging of refrigeration systems and heat pumps: The NEW Testo Intelligent Refrigerant Valve makes it possible - together with the separately available Testo 560i refrigerant...
The Testo Smart Case “Refrigeration” protects your instruments and keeps them tidy. The soft foam insert with custom-fit compartments ensures that each measuring instrument has its own space. Thanks to...
Fast, robust and easy to use: simply hold the air temperature probe in the environment being measured – and, thanks to the exposed sensor in the probe shaft, you will...
In combination with the testo 635, the robust humidity probe measures the humidity and temperature of the air. Because the probe can be used up to 125 °C, it also...
The robust waterproof immersion and penetration probe (Pt100) provides precise measurement results and is particularly well-suited for laboratory applications. The fact that the probe is waterproof makes it extremely practical....
With the appropriate measuring instrument, the immersion and penetration probe enables precise temperature measurement - robust, efficient and affordable. SPECIFICATIONS Measuring range: -50 to +400 °C Accuracy: Class A (-50...
The waterproof, robust immersion/penetration probe with heat-resistant cable can be used up to a temperature of +230°C - e.g. for temperature control in hot cooking oil (in combination with the...
