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 735-2 scientific thermometer is used in a wide variety of different fields. This hardly comes as a surprise considering it can measure the surface, air and...
Electrical Range Brochure The Testo 745 non-contact voltage tester with a measuring range of up to 1,000 V is particularly well-suited to fast initial checking of any suspected fault sources....
DOWNLOAD BROCHURE Electrical Range Brochure Your reliable companion when it comes to testing electrical systems and equipment. The all-round LED display and unique fibre-optic technology mean the voltage indication can...
DOWNLOAD BROCHURE Electrical Range Brochure With the testo 750-2 voltage tester you can test electrical systems and equipment reliably and easily for voltage or de-energization thanks to the all-round LED...
DOWNLOAD BROCHURE Electrical Range Brochure The testo 750-3 voltage tester is the most high-performance model in Testo's convenient and reliable voltage tester family. In addition to the unique fibre-optic technology,...
DOWNLOAD BROCHURE Electrical Range Brochure Measuring current with a voltage tester? The innovative testo 755-1 makes this possible – and is, therefore, suitable for virtually all daily electrical measuring tasks....
DOWNLOAD BROCHURE Electrical Range Brochure All-in-one voltage tester and current measuring instrument: the innovative testo 755-2. A multitasker for almost all daily electrical measuring tasks. With automatic measurement parameter detection,...
DOWNLOAD BROCHURE Electrical Range Brochure No dial, no mistakes. The testo 760-1 digital multimeter gives you easier and more reliable measurement of all important electrical parameters than ever before. Assignment...
