Unmatched accuracy on every single job.
with Testo flue gas analysers
Available from participating distributors.
Free gift offer valid until: 31/08/25
Stay cool while working smarter.
With Testo digital manifolds
Available from participating distributors.
Free gift offer valid until: 31/08/2025
Unmatched accuracy on every single job.
with Testo flue gas analysers
Available from participating distributors.
Free gift offer valid until: 31/08/25
The HVAC/R world
of Testo
Full power.
For you and your world.
The Testo Smart World range revolutionizes HVACR measurement with a fully interconnected suite of instruments that communicate seamlessly via Bluetooth. Designed for ultimate efficiency, these smart tools provide professionals with a comprehensive solution for all HVACR needs, from flue gas analysis and refrigeration tools to precise climate monitoring. By integrating cutting-edge technology with user-friendly operation, the Testo Smart World range enhances workflows, improves accuracy, and ensures effortless data sharing—empowering engineers to work smarter, faster, and more efficiently than ever before.
Just smart. Just fast.
One app for all applications: The testo Smart App ensures end-to-end connectivity making wireless measuring faster and easier than ever before. The new PRO measurement programs save you even more time and hassle in everyday life.
> SMART – automatic Bluetooth pairing
> EASY – new PRO measurement programs
> FAST – all readings at a glance
> PRACTICAL – second screen, remote control and real time measurement data
> EFFICIENT – create and send reports digitally
BASIC
Intuitive measurement menus
FAST
All readings at a glance
EFFECTIVE
Reports sent directly by e-mail
MULTIFUNCTIONAL
Compatible with all Bluetooth-enabled Testo measuring instruments
CLEVER
Free download, free use
NEW
PRO measuring programs
Engineered for efficiency, built for you.
Engineered for efficiency, built for you.
Whether it's a traditional or modern heating system, Testo's advanced measuring technology and the Smart World of products will take you to a new level.
Explore The Range
Tips and tricks
for flue gas analysis
Get the full package of expert knowledge for your heating system jobs – as a free download.
Checking the gas connection pressure
Setting the gas-air ratio
Determining the flue gas loss
Calculating the efficiency
And lots more!
More to make your heating world even faster.
Making your tool kit for heating systems complete: testo thermal imagers for detecting leaks fast and for straightforward checking of radiators, underfloor heating or photovoltaic systems.
Faster, smarter, completely networked.
Faster, smarter, completely networked.
Testo allows you to save valuable time on refrigeration and air conditioning systems. No matter the task, we have the tools for you. All interconnected with SMART functionality.
Explore The Range
The new smart vacuum pump testo 565i.
Just press play.
Imagine you just give the instructions and your tool does the work all by itself. Sounds like a dream of the future? Not with Testo and the new smart vacuum pump testo 565i. Simply enter the vacuum target value and the evacuation, including the vacuum holding test, runs fully automatically.
Fully automated evacuation with integrated holding test
Full safety – also with refrigerants of classes A3 and A2L
Fully smart configuration and measurement with the app
Full connectivity with the entire refrigeration portfolio from Testo
Even more to explore...
Heat pump knowledge
in four modules
Everything you need to make installation and maintenance even faster – find out how with our free guide.
Understanding heat pumps
Basic principles and main components
Planning and measuring correctly
Sound level
And lots more!
Even faster and
smarter with heat pumps.
Take your performance to the next level when maintaining and installing heat pumps: with the testo 558s heat pump kit. You’ll be second to none when it comes to speedy measuring, filling, documenting and ticking off all the other to-dos on your list.
Save time and energy.
For ventilation and air conditioning systems.
Save time and energy.
For ventilation and air conditioning systems.
Good for the ambient climate. And the environment: measuring technology from Testo allows all air conditioning and ventilation systems to be optimally set in no time at all. Whether at vents, filters or in ducts. That not only saves energy and money, but also a lot of hassle in everyday life.
Quick and efficient.
In ducts and outlets.
As multifaceted as your challenges themselves: the testo 440 IAQ measuring instrument allows you to measure all climate-relevant parameters quickly, intuitively and extremely conveniently. Thanks to a wide range of probes and extensive accessories, you have all applications in air conditioning and ventilation systems under effective control –- in ducts, at outlets and on filters.
Optimum indoor climate.
Made fast and easy.
As multifaceted as your challenges themselves: HVAC measurement technology from Testo offers you fast, simple and efficient solutions for a wide range of requirements and systems. From a single source. Out of conviction. With connection to the testo Smart App.
Quick and easy adjustment
of CMV systems.
With the testo 417 and the new PRO measurement programs in the testo Smart App.
Modern residential buildings are often equipped with systems for controlled mechanical ventilation (CMV) to ensure a pleasant indoor climate. Correct commissioning, adjustment and inspection of these systems are crucial for this. This is why we developed a unique PRO measurement program for balancing CMV systems for the testo Smart App. In combination with the testo 417 vane anemometer, the job is done in no time at all – regardless of whether you are a professional or only measure occasionally.
Practical guide: Measurement tasks for residential ventilation systems
Everything you need to know about balancing ventilation systems – download now for free.
Risks of incorrectly adjusted systems
Important standards
Measurement applications in practice
Optimum documentation of readings
And lots more!