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.
Use this temperature probe with thermocouple (TC) sensor to carry out measurements of surface temperatures of up to +400 °C. Thanks to the magnet, the probe adheres to metal surfaces...
The temperature probe can be attached to metallic surfaces thanks to a powerful magnet (adhesive force 20 N), enabling convenient surface temperature measurement. This leaves you with both hands free...
DOWNLOAD BROCHURE Ideal for standard-compliant IAQ and comfort measurements: use the measuring tripod for IAQ and comfort level measurements to position the compatible measuring instrument and the probes (please order...
DOWNLOAD BROCHURE Testo‘s gas detector is a multi-range gas detector for the gas types methane, propane and hydrogen. Gas concentrations are measured by the semi-conductor sensorin the ppm range and are shown...
In order to check the lubricating oil pressure in the refrigeration compressor, simply attach the oil pressure probe to the appropriate measuring instrument, screw the connection onto the compressor's oil...
The robust food penetration probe (NTC) is used primarily for measuring the core temperature of food. The probe is EN 13485 and HACCP-compliant, making it particularly practical for use in...
With the appropriate measuring instrument, the immersion and penetration probe (IP54) enables precise temperature measurement. SPECIFICATIONS Measuring range: -85 to +150 °C Accuracy: Class A Reaction time: 35 s Length...
The temperature probe (NTC) with clamping bracket is ideal for surface measurements on pipes. Measuring range: -50 to +120°C Easy attachment of the probe to pipes with a diameter of...