HVAC Measurement
Testo compact HVAC measuring instruments deliver precise results wherever you need them – fast, flexible, user-friendly and connected to your smartphone. Measuring couldn’t be easier.
Testo
World market leader in measurement technology
Testo | World Market Leader in Measurement Technology
Headquartered in Germany’s Black Forest, Testo SE & Co. KGaA is a global leader in portable and stationary measurement solutions. With 37 subsidiaries worldwide and a workforce of about 3,900 specialists, we support more than 650,000 customers on all five continents.
Our broad instrument portfolio covers key parameters such as temperature, humidity, air velocity, gas analysis, rpm, pressure, light, pH, sound, and more—delivering the precision and reliability professionals demand.
Where you’ll find Testo in action
- HVAC‑R – Heating, ventilation, air‑conditioning, and refrigeration diagnostics
- Process Industries & Utilities – Manufacturing plants, service providers, and energy facilities
- Food Sector – Production, transport, storage, distribution, and retail quality assurance
- Pharma & Life Sciences – GxP‑compliant monitoring of cleanrooms, cold chains, and critical environments
- Thermal Imaging – Building surveys, preventive maintenance, electrical inspections, and production monitoring
Whatever your application, Testo provides the measurement technology and data‑management solutions that keep operations compliant, efficient, and future‑ready.
The NEW testo 860i Thermal Imaging Camera
The new testo 860i wireless thermal imaging camera for smartphones featuring simple operation and display via the testo Smart App: In seconds, it provides you with exactly the information you need for quick spot checks in the HVAC trade, maintenance, buildings and many other applications. Perfect for quick spot checks
Climate & IAQ Measurement
Indoor air quality (IAQ)—gauged by temperature, humidity, airflow, and CO/CO₂ levels—directly affects performance. Research shows that poor IAQ causes fatigue, reduces focus, and increases health problems, harming productivity. Testo’s IAQ instruments give facility managers the data they need to keep HVAC systems running optimally and workplaces healthy.
Data Loggers
Testo provides a comprehensive range of data loggers tailored to meet the needs of various industries. Whether you're in the foodservice, cold chain, cleanroom environments, healthcare sector, logistics, or even museums, Testo data loggers ensure precise monitoring and data collection, giving you peace of mind and reliability.
Environmental Monitoring System
A fully automated monitoring system enables you to keep your temperature, humidity and other quality-relevant environmental parameters completely under control: Seamlessly, precisely and reliably.
Thermal Imaging Cameras
Detect thermal anomalies in mechanical & electrical systems early, perform non-contact inspections during operation, avoid expensive plant downtimes.
Testo Thermometers
Temperature measurement made easy; with thermometers, temperature meters and digital thermometers for all requirements and applications.
Electrical Measurement
Testo sets new standards in electrical measuring technology with our reliable and innovative multimeters, clamp meters and current/voltage testers.
