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.
0564 5701 Testo 570s 4-Way Smart Digital Manifold DOWNLOAD DATASHEET The Testo 570s Digital Manifold, equipped with Bluetooth and a 4-way valve block, is the ideal choice for extended measurements on...
DOWNLOAD BROCHURE If you are looking for a compact, user-friendly thermohygrometer, the Testo 605-H1 is the ideal choice. It measures relative humidity and air temperature and also calculates the dew...
DOWNLOAD BROCHURE The Testo 606-1 is a particularly convenient and easy-to-operate compact material moisture meter that measures the moisture content in wood, walls and other surfaces and materials and fits perfectly...
DOWNLOAD BROCHURE The testo 606-2 is a particularly convenient and easy-to-operate pocket-sized material moisture measuring instrument. The testo 606-2 measures the moisture content of a variety of different types of wood and...
DOWNLOAD BROCHURE The Testo 608-H1 low cost thermohygrometer enables you to have a continuous display of the current temperature and humidity values. This means you can always keep an eye...
DOWNLOAD BROCHURE The testo 608-H2, the precise alarm hygrometer, reliably reports humidity and temperature limit value violations, e.g. in garden centres, storerooms, cleanrooms, museums, laboratories etc. This hygrometer measures the air temperature, humidity and dew point and...
DOWNLOAD BROCHURE The handy Testo 610 pocket sized hygrometer is ideal to use for fast, precise measurement of temperature and humidity in indoor areas. In addition, the compact instrument can...
DOWNLOAD BROCHURE The testo 616 allows fast and damage-free examination of material moisture curves in building materials and woods. It also facilitates your work in observing the drying process of floors...
