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.
0560 3164 Testo 316-2-EX Multi-Purpose Gas Leak Detector with Explosion Protection (ATEX) DOWNLOAD DATASHEET DOWNLOAD MANUAL Testo 316-2-EX is an ultimate professional instrument featuring the world’s first 2-in-1 sensor for gas fittings...
TESTO 316-3 REFRIGERANT LEAK DETECTOR DOWNLOAD BROCHURE Just turn it on and start getting readings immediately to find the most refrigerant leaks. Thanks to the automatic zeroing, the Testo 316-3...
DOWNLOAD BROCHURE For refrigeration systems that operate with ammonia, there is the testo 316-4 set 2 specially for ammonia, or the replacement ammonia head (NH3) for the testo 316-4 set...
DOWNLOAD BROCHURE The testo 316-4 set 1 is a fast and reliable leakage detector for all common refrigerants. The sensor is permanently monitored and shows malfunctions or contamination in the...
DOWNLOAD BROCHURE Proof of gas and leakage localization on gas pipes and installations in indoor and outdoor areas The testo 316-EX, which conforms to the guideline 94/9/ EG (ATEX), is a multi-range gas...
0560 3161 Testo 316i Gas Leak Detector with Flexible Probe DOWNLOAD DATASHEET DOWNLOAD MANUAL Testo 316i Gas Leak Detector can effectively help you locate gas leaks easily and precisely. The acoustic and visual...
DOWNLOAD BROCHURE The testo 317-1 flue gas spillage detector reliably detects escaping heating gases. The practical instrument immediately gives off a visual and audible alarm. It is therefore not necessary to actually see...
DOWNLOAD BROCHURE Do you want to test quickly and efficiently whether there is a gas leak on gas pipe connections? Let the reliable testo 317-2 Methane & Propane Detector support...