Our service for you – all-round carefree

Once your CTA heat pump, air conditioning or refrigeration machines has been installed and commissioned, our service team will ensure it runs perfectly and smoothly for years to come. Find out more below about our choice of service contracts from periodic maintenance to all-inclusive service with warranty extension.

Service near you

Our experienced team is quickly on site to carry out maintenance, repairs or consultations. Rely on a reliable service directly in your region.

Regular maintenance

Regular maintenance ensures the efficiency and longevity of your heating and cooling systems. This will help you avoid expensive repairs and ensure smooth operation.

Carefree and with a longer term

Our energy-efficient systems offer you long-term reliability and low maintenance. Enjoy worry-free operation and maximise the service life of your systems.

Service tailored to your requirements

Domestic heatpump

For private customers with an installed domestic heat pump

AC/cooling

For customers with air conditioning and refrigeration systems and industrial heat pumps

Encountered a technical fault?

We are there for you. 24/7/365.

Get assistance here

Frequently requested services

Verena and Silvio Schenini,Client

We feel we are in good hands

«With the CTAplus maintenance contract for domestic heat pumps, we are covered in the event of damage even after the warranty expires and can call on CTA's support free of charge at any time if we have technical questions.»

To register commissioning online

Trade partners can use this section to register the commissioning of an Optiheat-series or Aeroheat-series heat pump.

Step by step to the app for your domestic heat pump

Let us walk with you from installing to using your app. Find the right app here to operate your heat pump directly from your smartphone.

More info Check directly and start now

New Product

New CO₂ chillers and heat pumps

We have now introduced internally mounted standard chillers and industrial heat pumps with an output range of between 30 and 250 kW to our range. Developed and manufactured in Europe, they operate using the environmentally friendly natural refrigerant CO₂ (R-744). They are both safe and efficient to operate and can generate hot water temperatures of up to 90°C. Simultaneous heating and cooling, heat recovery and connection to external, air-cooled gas coolers is possible.

Learn more

New Head of Residential Heat Pumps Division

On 1 March 2025, Peter Waldburger will become the new Head of Residential Heat Pumps Division and a member of the executive management at CTA AG. With his many years’ experience and his sound market knowledge, he will help promote CTA as the leading Swiss heat pump manufacturer over the long term.