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Heating systems and cooling technology

Always ready for use: Check heating systems and cooling technology for leaks

No detours during commissioning, renovation and maintenance

Whether installing heat pumps, leak testing underfloor heating systems or installing air conditioning systems: anyone who works with heating or cooling systems must above all ensure that they are leak-proof – reliably and quickly.
Our digital testing devices offer exactly the support you need in your everyday work. They help you to carry out leak tests efficiently and in compliance with regulations. At the same time, they enable complete documentation for your own records and those of your customers, clients or testing centres.

Brief overview

✔ Suitable for underfloor heating, heat pumps and cooling systems
✔ Support during commissioning, conversion or maintenance
✔ Digital and legally compliant documentation – completely paperless
✔ Robust technology, quick to get started
✔ Fast customer service – when time is of the essence

Digital documentation

For tests in accordance with VDI, VDMA and DIN standards

Competent service

For fast and reliable technical support

Made in Germany

For better quality and personalised technical support

Safe installation of heat pumps, underfloor heating systems and cooling systems

Before heat pump pipes are put into operation or cooling systems are filled, a leak test must always be carried out. This is where the importance of reliable technology becomes clear. Our measuring devices help to reliably detect leaks, comply with standards and document test results directly in digital form. This applies to new buildings, retrofits and recurring inspections. Our sophisticated system not only saves time, but also avoids unnecessary rework.

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Assets for download

We have a sample report on water load testing available for you to download here.

We have a sample report on water leak testing available for you to download here.

We have a sample report on gas load testing for the TONI GasTest CH4 and TONI CombiTest CH4 available for you here. Download it now and take a look at the report.

Devices for everything that flows through pipes, whether hot or cold

Our testing devices are developed to meet the requirements for testing heat pumps, heating circuits and cooling systems. They provide reliable measurement results, are intuitive to use, and save valuable time through digital data recording – especially for tightly scheduled tasks and parallel work.

Our TONI for testing heating systems

For now, only PressureTest HP (more to follow from October)

TONI PT HP10
TONI PT HP10
Robust, precise digital manometer for differential pressure measurement in the low-pressure range, as well as a high-pressure port. Backlit graphic display with guided menu sequences for tests according to regulations. Measuring range:     Low pressure: 0 – 2000 mbar     High pressure: 0 – 10 bar / 0,1% accurancy Operating time:     up to 140 hours with fully charged battery, without backlight and at 20°C ambient temperature Housing dimensions: 16.5 cm x 6.5 cm x 3 cm Device weight: approx. 280 g
To the shop
TONI PT HP 25
TONI PT HP 25
Robust, precise digital manometer for differential pressure measurement in the low-pressure range, as well as a high-pressure port. Backlit graphic display with guided menu sequences for tests according to regulations. Measuring range: Low pressure: 0 – 2000 mbar High pressure: 0 – 25 bar / 0,1% accurancy Operating time: up to 140 hours with fully charged battery, without backlight, at 20°C ambient temperature Housing dimensions: 16.5 cm x 6.5 cm x 3 cm Device weight: approx. 280 g
To the shop

TONI device solutions for other areas of application

TONI GasTest CH4 0-10.000 ppm
TONI GasTest CH4 0-10.000 ppm
Robust and precise gas leak detector with sensor attached on the gooseneck. Shows measured gas concentration on a display. Equipped with visual flashing, audio and vibrating gas alarm when selected concentration threshold is reached. Alarm can be silenced. Handheld with integrated magnet on the back and USB-C charging connection. Measurement range: 0 - 10.000 ppm methane Operating hours: > 25 in leak detection mode with fully charged battery and 20°C ambient temperature Gooseneck length: 34,5cm Housing dimensions: 13cm x 6,5cm x 3cm Weight: approx. 260g
To the shop
TONI GasTest CH4 0-10.000 ppm
TONI GasTest CH4 0-10.000 ppm
Robust and precise gas leak detector with sensor attached on the gooseneck. Shows measured gas concentration on a display. Equipped with visual flashing, audio and vibrating gas alarm when selected concentration threshold is reached. Alarm can be silenced. Handheld with integrated magnet on the back and USB-C charging connection. Measurement range: 0 - 10.000 ppm methane Operating hours: > 25 in leak detection mode with fully charged battery and 20°C ambient temperature Gooseneck length: 34,5cm Housing dimensions: 13cm x 6,5cm x 3cm Weight: approx. 260g
To the shop
TONI GasTest CH4 0-10.000 ppm
TONI GasTest CH4 0-10.000 ppm
Robust and precise gas leak detector with sensor attached on the gooseneck. Shows measured gas concentration on a display. Equipped with visual flashing, audio and vibrating gas alarm when selected concentration threshold is reached. Alarm can be silenced. Handheld with integrated magnet on the back and USB-C charging connection. Measurement range: 0 - 10.000 ppm methane Operating hours: > 25 in leak detection mode with fully charged battery and 20°C ambient temperature Gooseneck length: 34,5cm Housing dimensions: 13cm x 6,5cm x 3cm Weight: approx. 260g
To the shop

Related products: testing accessories for heating and cooling systems

Suitable connection cables, adapters, or transport bags: our accessories expand the possibilities of our device technology and ensure that you remain flexible even on changing construction sites.

House connection set water
House connection set water
House connection set water for DruckTest GaWa Included: Art.: 262031 - connection hose GaWa, length: 1 m Art.: 262032 - Adapter 1" int. thread fits to Gardena Art.: 262033 - Adapter 3/4" int. thread fits to Gardena Art.: 262034 - Adapter 1/2" int. thread fits to Gardena Art.: 262035 - Adapter 1/2" ext. thread fits to Gardena Art.: 262036 - Adapter 3/8" int. thread for angle valve Art.: 262037 - Adapter 1/4" ext. thread for drain valve Art.: 262038 - Adapter M22 int. thread for diffusor Art.: 262039 - Adapter M24 ext. thread for diffusor
Compact Compressor CC 60
Compact Compressor CC 60
Compressor KK 60 for Pressure-Tests on house connections for gas/water Oil-free, operationally safe compressor for pressurization of gas and water pipes Technical specifications Type: piston compressor, 2 integrated fans for engine and cylinder Power supply: 230 volts, 50 Hz, P = 505 W, Air flow: > 60 l / min, and> 40 l / min at 3 bar Pressure reducer: adjustable output pressure 0.5 bar to 10 bar Operating temperature: - 10 ° C to + 45 ° C Dimension: width 30 cm, depth 22 cm, height 22 cm Weight: 10 kg
Soft case for TONI
Soft case for TONI
Secure storage of the TONI in a custom-fitted device mount. Outer dimensions 272x152x67 mm

Esders blog: information about heating and cooling systems and testing processes

Coming soon: tips, insights and articles on the topics of heat, cold and testing processes.
Blog

Pressure and leak test of underfloor heating system

Table of Contents The pressure in underfloor heating is essential to ensure that this type of climate control system works properly, is safe and has a long service life. Before activating an installation, it is essential to carry out a pressure or leak test to confirm that there are no leaks or losses in the system. This test is not only a technical requirement, but is also stipulated by special regulations. In this article, we explain the correct pressure for

Read more »
11. June 2025

Our technical articles contain useful information on regulations and compliant application processes for everyday construction site work. For everyone who work and share responsibility.

Contact

Regional Sales Manager

Daniel Hartmann

place
Office in Dortmund
phone
+495961/9565-2668
mail
daniel.hartmann@esders.de
smartphone
+491511/9565021

Regional Sales Manager

Bennett Hoffmann

place
Office in Haren
phone
+495961/9565-2611
mail
bennett.hoffmann@esders.de
smartphone
+49151/41640652

Frequently Asked Questions

There is no such thing as an unnecessary question; there are only too few answers. That is why we are continuously working on listing important questions and answers for test procedures in the field of heating systems and cooling technology here.

A leak test is always mandatory before initial commissioning, e.g. after new pipes have been laid. The system must also be retested for leaks after modifications, repairs or the replacement of components. If abnormalities such as pressure drops or signs of leakage occur during operation, an immediate test is also required. The results should always be documented in accordance with standards.

Yes, especially when fluorinated refrigerants are used – in this case, the F-Gas Regulation and DIN EN 378 apply.

There is no fixed statutory maintenance interval for the heating circuit system of an underfloor heating system.
However, according to the recommendation of the Central Association for Sanitary, Heating and Air Conditioning (ZVSHK), an initial inspection should be carried out approximately ten years after initial commissioning. After that, a two-year inspection interval has proven effective in practice.

In Germany, pressure testing for underfloor heating systems is subject to various regulations, such as the Ordinance on Thermal Installations in Buildings, the Technical Building Regulations (DIBt) and the technical standards DIN EN 378-4. These deal with the installation, testing and commissioning of these underfloor heating systems.

Depending on the system and specifications – typically 3–4 bar, but always in accordance with manufacturer and standard specifications.

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