Vaillant Complaints Service & Advice
Most Common Vaillant Complaints and Tips
Our community hasn’t reported any complaints about Vaillant yet. We're looking forward to gathering more feedback and experiences before conducting our analysis. If you’ve interacted with Vaillant, please share your experience with us!
How and why file a complaint about Vaillant?
Do you have a dispute or had a bad customer experience with Vaillant? Report it through our hassle-free complaint form to warn others and maximize the chance of resolving it.
We will make sure that your complaint receives the attention it deserves by reaching out through: social media, emails, paper complaint letters, contact forms and other tools at our disposal. We also have an active community with people who might be able to give you some helpful advice.
Just looking for information? Search through all complaints we have received related to Vaillant.
Vaillant Customer Sentiment: Neutral
Our sentiment meter has detected that Vaillant complaints over the past 28 days have remained within our normal fluctuation range, showing a change of 0%. While some customers might experience challenges with Vaillant, the steady level of complaints indicates that there hasn’t been a surge in widespread issues recently.
Sentiment data last updated on October 31, 2025
Vaillant complaints chart
We have received 0 complaints about Vaillant over the last 12 months. The graph below shows a monthly breakdown.
Vaillant complaint statistics
Curious about Vaillant's track record in addressing complaints within the Consumer Electronics category? Dive into the all-time complaints data right here!
How to contact the customer service of Vaillant?
Below, you will find the contact information for the complaint department of Vaillant. To amplify the impact of your complaint, please use our complaint form.
You can contact the customer service of Vaillant by calling 03301003143. If you want to reach out to Vaillant through their own website, you can use their contact form.
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