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    Empower your world.

    Empower your world.

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

    HVAC/R measuring technology

    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.

    HVAC/R world of Testo
    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
    HVAC/R magazine

    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.

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        Next upNext up:
        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
        testo Smart App

        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.

        Digital manifold testo 570s

        Fully professional

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

        Digital manifold testo 557s

        Full speed

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

        Digital manifold testo 550s

        Fully stress-free

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

        Digital, app-controlled testo 550i manifold

        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

        Andreas Becker, avid testo 570s user

        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

        New testo 565i smart vacuum pump

        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.

        testo 510i differential pressure measuring instrument

        Handy and intelligent

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

        testo 115i clamp thermometer

        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

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            Next upNext up:
            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
            Tips and tricks for flue gas analysis

            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.

            Digital manifold testo 570s
            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
            Heat pump knowledge in four modules

            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.

            testo 440 IAQ measuring instrument

            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.

            testo 417 vane anemometer

            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.

            testo 416 vane anemometer

            At your fingertips

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

            Hot wire anemometer testo 425

            Accurate results

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

            testo 512-1 digital differential pressure measuring instrument

            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.

            testo 925 temperature measuring instrument

            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.

            New PRO measurement program for balancing ventilation systems
            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
            Testo refrigeration knowledge

            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
            testo Smart App

            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.

            Didn’t find what you were looking for? Tell us your measurement job, we’re happy to help!

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