Empower your world.

    Faster, simpler, more sustainable: with the smart networked HVAC/R world of Testo.

    Full power.
    For you and your world.

    Technologies and laws are changing ever faster, energy efficiency requirements are getting stricter and new digital skills are in demand. In the Testo Smart World, we bring together everything that helps you to face these challenges: smart tools and comprehensive accessories for every application. The testo Smart App is the digital platform that gathers all the measurement results and makes the job even more efficient with new PRO measurement programs. Along with our decades of experience in heating, air conditioning and refrigeration technology. So that you don't lose any valuable time, but can take off at full speed.

    Check it out

    The new
    HVAC/R magazine is here!

    Find all the latest news, tools and trends: get our free HVAC/R magazine and find out everything about the big trends in industry. Benefit from exclusive professional tips, and gain fascinating insights into the testo Smart World.

    Go to download

    The top trends in the industry

    Special report: heat transition

    Exclusive professional tips

    Automation vision

    And lots more!

    Speed up your world.

    We give everything so that you can hit the gas: all tools – wireless connection thanks to automatic Bluetooth pairing. All accessories. Everything from a single source, all measurement data centralized and fully networked via the testo Smart World. Get off to a fully automated start with Testo and save a lot of time and stress thanks to the comprehensive complete portfolio.

    testo Smart App

    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

    Find out more

    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

    Faster, smarter, completely networked.

    Test allows you to save valuable time on refrigeration systems. For adjustment, checking and fully automatic evacuation. For smart measurement and documentation. For all the tasks of today – and the challenges of tomorrow.

    Full connectivity – with the refrigeration portfolio from Testo

    Find out more

    The smart world of Testo
    refrigeration measurement technology.

    Faster, smarter, completely networked: The digital manifolds deliver maximum precision with minimum time involved.

    Fully professional

    testo 570s
    • The professional class with the longest service life worldwide – perfect for long-term measurements.

    Full speed

    testo 557s
    • The allrounder with Bluetooth auto connect – for fast, precise and completely wireless measurements.

    Fully stress-free

    testo 550s
    • Perfect for entry-level users – the large graphic display delivers all results at a glance.

    Fully smart

    testo 550i
    • The smallest digital manifold on the market – for app-controlled, wireless measurements and digital documentation.

    This is what users say about the testo 570s

    Recommended by the professionals:

    Because the testo 570s connects directly to the smartphone, I can keep an eye on the ventilation system on the computer and at the same time see what the refrigeration system is doing on my cell phone. It really saves me time. What's more, the long battery life means I don't have to worry about charging it all the time.

    Andreas Becker

    ·

    Rox Klimatechnik GmbH

    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

    More to make
    your heating world even better.

    Smart probes for smart pros

    • From vacuum to temperature to air humidity: Wireless, precise and simple app-controlled measurement with testo Smart Probes.

    Digital refrigerant scale

    • Fully automated refrigerant filling – with the testo 560i digital refrigerant scale and intelligent valve.

    Wireless clamp meter

    • Perfect for non-contact measurement of tightly fitted conductors – the testo 770-3 clamp meter with fully retractable pincer arm.

    Simply do the job faster.
    On heating systems and heat pumps.

    Whether gas boiler, hybrid system or heat pump, installation, service or maintenance: Testo measuring technology and the digital Smart World will see you breaking every speed record.

    The smart world of Testo
    heating measurement technology.

    If you want to do a first-class job as a heating engineer, you need flexibility, efficiency and new smart ways of dealing with the technologies of the future. This is exactly what the tools from Testo offer you.

    • The flue gas analyzer with Bluetooth connector – for up to four additional parallel measurements.

    • Measure temperature and differential pressure easily, quickly and wirelessly – with the practical HVAC kit.

    Handy and intelligent

    testo 510i
    • Differential pressure measuring instrument with smartphone operation – ideal for gas boilers, air flow velocity and volume flow.

    Fast and simple

    testo 115i
    • Clamp thermometer with smartphone operation – perfect for flow and return temperatures, with a Bluetooth range up to 100 m

    This is what users say about tools from Testo

    Recommended by the professionals:

    I’ve been working with Testo instruments for more than 20 years. I do an average of up to 10 maintenance jobs a day, and it's efficient to have an instrument that works quickly and cleanly. I’m an inventor myself, I have 25 patents in the heating sector – but Testo’s innovations are sensational. Testo’s tools solve real problems, they’re straightforward to use, easy to handle and make work much easier.

    Karl-Heinz Bilz

    ·

    Master plumber and heating engineer, Nidderau

    Check it out

    Tips and tricks
    for flue gas analysis

    Get the full package of expert knowledge for your heating system jobs – as a free download.

    Go to download

    Checking the gas connection pressure

    Setting the gas-air ratio

    Determining the flue gas loss

    Calculating the efficiency

    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 570s digital manifold and the practical heat pump kits. 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.

    Check it out

    Heat pump knowledge
    in four modules

    Everything you need to make installation and maintenance even faster – find out how with our free guide.

    Go to download

    Understanding heat pumps

    Basic principles and main components

    Planning and measuring correctly

    Sound level

    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.

    • For all-rounders: highest image quality, excellent thermal sensitivity and innovative functions.

    • For pros: outstanding thermal image quality and useful additional features save time and ensure perfect work results.

    • For entry-level users: accurate measuring performance and ease of use – with the best thermal image quality of its class.

    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 at 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.

    Easy to handle

    testo 417
    • Digital 100 mm vane anemometer with App connection for measuring the flow, volume flow and temperature at air inlets and outlets.

    At your fingertips

    testo 416
    • Digital 16 mm vane anemometer with App connection for flow measurement and volume flow calculation in ventilation ducts.

    Accurate results

    testo 425
    • Digital hot wire anemometer with App connection for flow and temperature measurements and volume flow calculation in ventilation ducts.

    Fast, flexible and compact

    testo 512-1
    • Digital differential pressure measuring instrument with App connection for differential pressure measurement (0 to 200 hPa) for checking filters and for Pitot tube measurement in ventilation ducts.

    Precise and versatile

    testo 925
    • Temperature measuring instrument for TC type K with App connection – large measuring range from -50 °C to 1000 °C.

    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. Today’s smart refrigeration measurement.

    Check it out

    Practical guide: Measurement tasks for residential ventilation systems

    Everything you need to know about balancing ventilation systems – download now for free.

    Go to download

    Risks of incorrectly adjusted systems

    Important standards

    Measurement applications in practice

    Optimum documentation of readings

    And lots more!

    testo Smart App

    One App. All applications.

    The testo Smart App brings everything together to make completing tasks even faster: End-to-end connectivity, wireless measurements and all data at a glance. Download now free of charge!

    • > 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

    Go to download

    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

    Get it on Google Play

    Download on the App Store

    Explore it on AppGallery

    Top tips, top tools and top news:
    the new HVAC/R magazine.

    For everyone who wants to be in the know: get the free HVAC/R magazine with even more exclusive insights and perspectives, packed full of professional knowledge. Take a look now and get up to speed!

    At full speed into your e-mail inbox:
    the new HVAC/R newsletter from Testo!

    Get even more exciting news, tool tips, offers and advice from Testo’s Smart World directly to your smartphone with our free newsletter.