Efficient adjustment of air conditioning systems and heat pumps

Measurement solutions for refrigeration systems and heat pumps

The hallmark of a great tool is that it makes a technician's job easier. The testo smart refrigeration set and testo 550 & 557 refrigeration gauges both fit the bill.

There are two main components of a heating, ventilation and air-conditioning specialist's job - testing and servicing. With the right tools in hand, the work day is made a breeze.

  • Testo refrigeration manifolds ( Testo 550, 557) come with smartphone connectivity with the ability to send and receive results in real time.

  • For quick hose-free installation, Testo Smart refrigeration set allows technicians to test systems more accurately without any refrigerant loss. 

How to contact us.

Do you have any questions?
We would be more than happy to help you.


Our recommendations for refrigeration systems and heat pumps

Ideal for commissioning and servicing:
Digital manifolds

  • All results at a glance thanks to the large graphic display
  • Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
  • Simple, wireless measurement of vacuum and temperature via automatic Bluetooth connection with a range of up to 150 metres
  • Flexible measurement, easy documentation and customer-specific reports with the testo Smart App

Ideal for fast checks without hoses:
testo Smart Probes refrigeration set

  • For fast and easy testing of air conditioning and refrigeration systems
  • No hoses – no refrigerant loss
  • Customized reports in just one click
  • Controlled with testo Smart App

Refrigeration knowledge in 3 modules

Everything on refrigeration systems. Download guide now for free.

Heat pump knowledge in 4 modules

Understand, correctly plan and measure heat pumps. Download guide now.