In the present situation, heating contractors face special challenges. The customers are demanding, experts are lacking. In addition, servicing heat pumps has in many places developed into a new business segment for heating contractors. The good news: Smart measuring technology from Testo will support you in your day-to-day work and ensure that you can meet all the challenges.
Challenging times? Enjoy success throughout the heating season with Testo’s smart measuring instruments
Measure smart.

For you, this means:
- Ease of use
- Reliable results
- Paperless documentation
Master everything.

For you, this means:
- Faster results
- Fewer errors thanks to guided measurements
- Get on to the next customer faster
These advantages will make your work easier
1. Ease of use
testo 300 flue gas analyzer

- Large Smart-Touch display
- Self-explanatory measurement menus
- Ready for immediate use in stand-by mode
testo 557 heat pump kit

- Can be operated with one hand
- Key parameters are determined automatically
- Refrigerant updates via App
2. Reliable results
testo 300 flue gas analyzer

- Clear reading display: trend graph or table
- Scratch-proof display
- Robust, long-lasting sensor technology
testo 557 heat pump kit

- Results at a glance via a trend graph
- Sturdy, shock-proof housing
- Long battery life (up to 250 h)
3. Paperless documentation
testo 300 flue gas analyzer

- Reports sent directly on site via e-mail
- Integrated address book
- Digital signature function
testo 557 heat pump kit

- Reports sent with photos directly on site via App
- All information always to hand – thanks to customer management in the App
- PDF sent via e-mail
Even better equipped: More measuring instruments for the heating season

testo 510 differential pressure kit
- Differential pressure measurement from 0 to 100 hPa
- Including silicone connection hose
- Work hands-free thanks to the magnetic fitting

testo 510i differential pressure measuring instrument with smartphone operation
- Measurement menu for pressure-drop test incl. alarms
- With magnetic holder
- Convenient to work with via the testo Smart Probes App

testo 316-1 gas leak detector
- Ideal for locating leaks in natural gas pipes
- Acoustic and two-stage visual alarm for limit value violations
- Flexible measuring probe

testo 770-3: Clamp meter with Bluetooth
- Practical clamp mechanism for wires in tight spaces
- Progression display of the measurement in the App
- Improved TRMS method

testo 868 thermal imager
- Very good image quality thanks to infrared resolution of 160 x 120 pixels or 320 x 240 pixels with built-in testo SuperResolution technology
- Large temperature measuring range from -30 °C to +650 °C
- Smart working with the testo Thermography App