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 174 T mini temperature data logger provides reliable temperature measurement for monitoring cold chain and sensitive product in storage and transport. Simply positioned close to the goods,...
DOWNLOAD BROCHURE The Testo 174 T mini temperature data logger provides reliable temperature measurement for monitoring cold chain and sensitive product in storage and transport. Simply positioned close to the goods,...
0572 1743 01 Testo 174H BT Mini Data Logger for Temperature and Humidity with Bluetooth The Testo 174H BT mini data logger is designed for monitoring temperature and humidity in sensitive...
DOWNLOAD BROCHURE The Testo 175 H1 is a compact professional data logger for monitoring temperature, humidity and dew point. The external temperature and humidity probe creates faster reaction times in...
DOWNLOAD BROCHURE The Testo 175 T1 temperature data logger is ideal for monitoring storage temperatures and long-term monitoring. It is certified for use in food environments and measures and logs...
DOWNLOAD BROCHURE The Testo 175 T2 is a compact two-channel (1 x Internal | 1 x External) data logger for the long-term monitoring of refrigerated and deep-freeze rooms as well...
DOWNLOAD BROCHURE The Testo 175 T3 is a 2 channel (2x external probes) data logger for the parallel monitoring and recording of two temperature measurements while being able to measure...
DOWNLOAD BROCHURE When short-term measurements show no anomalies, but the ambient storage conditions still do not fulfil the desired requirements, the Testo 176 H1 is the right data logger. The...
