Homeowners Professionals

With our comprehensive after sales support, we are here to help.

Should you require support with your Viessmann heating system, we are able to provide it. At Viessmann, we are constantly striving to offer a world class service in every area and draw on our experience gained over 100 years to do this.

We work tirelessly to support our heating installations across all fuel types and applications, responding to the needs of our customers nationwide. However, should a problem develop with your Viessmann product, then the re-assurance you have is that we are here to help.

We have a dedicated team of engineers operating across the UK, all of which are Gas Safe registered and all work exclusively on Viessmann products. Each of our installers carries an extensive stock of spares to ensure that they can carry out most repairs on the first visit.

Viessmann Customer Service Team

Our Customer Service team is here to help you get the best from your Viessmann product throughout its lifetime. Whatever your enquiry, simply call one of our specialist advisors in Telford, email us, or alternatively book a visit from a Viessmann Service Engineer if you'd like someone to come to you.

Expert support is never more than a click or a call away.

Phone: 01952 675000
Email: info-uk@viessmann.com


Our customer services and technical teams are happy to talk you through any questions you may have relating to your Viessmann product.

Alternatively you can contact the installer of your product, or search for a Viessmann Trained Installer in your area.

If you would prefer to use our website, then our list of frequently asked questions (FAQ's) relating to common heating and hot water issues may help.

Technical help

Should you have any technical questions relating to Viessmann boilers, solar water heating systems, cylinders, heat pumps, controls or thermostats, our award winning technical support team will be happy to answer them.

Email: technical-uk@viessmann.com

Opening times:

Monday to Friday from 8:30 am to 5.00 pm*

* Outside office hours, calls are routed to a call handling service. We can reply to these on the next working day.

Customer Complaints Procedure 

We're committed to providing products and services of a high quality.

We realise that sometimes things can go wrong, and there may be occasions where problems arise which result in our product or service falling short of your expectations. We have a dedicated contact centre based in Telford where you may be able to find a resolution to any issue you have.

If you would like to make a complaint about our products or services, please email or write to our Head Office.

Please address your email or letter to: Email: info-uk@viessmann.com

Customer Complaints Department

Viessmann Limited
Hortonwood 30


Area Business Managers

Already a Viessmann installer or interested in becoming one? Find your local Area Business Manager to get the conversation started.

Smell gas?

If you suspect a gas leak call the National Gas Emergency Service on 0800 111 999 

It’s important that you:

  • Don't smoke or strike matches
  • Don't turn electrical switches on or off
  • Extinguish naked flames
  • Open your doors and windows
  • Keep people away from the affected area and go outside for the purpose of safety
  • Turn off the control valve at the meter, if possible
How can we help?