Work smarter with cooling and heating technology.

Whether you're installing refrigeration systems or servicing heat pumps, Testo instruments make every measurement simple, accurate and connected. Designed for professionals who demand reliable performance in every job.

Testo Focus 1 hero refrigeration

Everything for your refrigeration projects

  • Overview of the situation

  • The smart pressure gauge rack

  • Smooth workflows

  • The complete solution

Overview of the situation

Overview of the situation

Testo offers a complete solution for the entire refrigeration system - with pressure gauge racks, a wide range of sensors, vacuum pump and refrigerant scale, all connected to the same app.

The smart pressure gauge rack

The smart pressure gauge rack

The testo 558s manometer stand is the flagship of the Testo cooling portfolio. Reliable, intuitive and created for professionals who expect more from their measuring instruments.

Smooth workflows

Smooth workflows

Pair the testo 558s manometer stand with the testo Smart app for real-time data, guided workflows and easy reporting - to get even more out of your instrument and sensors.

The complete solution

The complete solution

From vacuuming to filling and troubleshooting. Create your own system of instruments for all your refrigeration tasks.

testo 558s top performer

testo 558s

Smart control over every system

Precision and flexibility in working with air conditioning and heat pump systems. testo 558s has an intuitive design that makes it easy to use - even when wearing gloves.

  • App-like user interface with clear measurement graphics
  • Control via touchscreen, keypad or app
  • Trend graphs of measurement values over 30 minutes
  • Compatible with A2L and A3 refrigerants
  • Long-term measurement with integrated data logging for 72 hours

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with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

testo Smart App

testo Smart App

One app. Lots of instruments. Total control.

Say goodbye to paperwork and scattered measurements. With the testo Smart App, all your measurements for refrigeration systems and heat pumps are stored in one place - to increase productivity and minimize downtime.

  • Flexible - works with all Testo instruments with Bluetooth®
  • Intuitive - guided measurement processes
  • Efficient - quick and easy documentation
  • Always up to date - regular updates included
  • Smart and free - free to download and use

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with a request body that specifies how to map the columns of your import file to the associated CRM properties in HubSpot.... In the request JSON, define the import file details, including mapping the spreadsheet's columns to HubSpot data. Your request JSON should include the following fields:... entry for each column.

Complete measurement kits for cooling and heating jobs

testo 558s - smart vacuum measuring set

8 495 :- Art.nr 0564 5582

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testo 558s - vacuum measuring set with tångamperemeter

11 195:- Art.nr 0564 5584

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testo 557s - pressure gauge rack with 4-way valve block

7 765:- Art.nr 0564 5571

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Vacuum suction, filling & seaweed ammeter

testo 565i - Vacuum pump 198 l/min

6 175:- Art.nr 0564 5652

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testo 560i - Refrigerant scale with solenoid valve

5 250:- Art.nr 0564 2560

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testo 770-3 - seaweed ammeter with power measurement (measuring set)

2 995:- 0590 7703 02

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testo SmartProbes - for vacuum, pressure, humidity & temperature

testo 552i - wireless vacuum sensor

2 055:- 0564 2552

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testo 549i - wireless absolute pressure sensor

1 105:- Art.nr 0560 2549 02

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testo 605i - wireless humidity and temperature sensor

1 350:- Art.nr 0560 2605 02

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testo 915i - wireless dip/insert sensor

1 315:- Art.nr 0563 1915

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testo 115i - wireless pipe temperature sensor

965:- Art.nr 0560 2115 02

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Chloe Jennings Delta T Refrigeration

What customers say

It's so intuitive - just like using a smartphone. It's not something I've experienced with other pressure gauges. It has an excellent selection of refrigerants and an ingenious feature that shows the system pressures in a clear graph. Truly a fantastic instrument.

Chloe Jennings, Refrigeration Technician

How can I help you?

Please contact us if you would like to know more and need help choosing the right measuring instrument for your business.

Pelle Pedersen, product expert at Nordtec

Pelle Pedersen

Product expert

Pelle Pedersen

Product expert

Cooling technology