What are the best models of Vaillant combi boilers?

Vaillant EcoTec Pro and Vaillant EcoFit Pure are among the best combi boilers produced by Vaillant.

Vaillant Combi Boilers Review

Welcome to the Vaillant Combi Boilers Review page.

Here you’ll find more info about the Vaillant Combi Boilers.


Made in the UK, Vaillant is another German-owned brand that has earned a reputation for reliability & high-quality engineering.

Easy to repair

Among installers, they are credited with being one of the easiest boilers to repair.

2nd Largest Manufacturer in Europe

Due to their superb reputation, Vaillant is the second-largest manufacturer of boilers in Europe today.

Model: Vaillant EcoTec Pro


The EcoTec Pro is one of Vaillant’s most popular combi boilers and previously held the Which? Best Buy Award in 2016.

It has been awarded Quiet Mark certification, only given to the quietest models and as ‘Eco’ name suggests, one of the brands most energy efficient boilers to date. 

Ideal for small to medium sized properties with the kW model’s coming in three different outputs to suit all, including 24kW, 28kW and 30kW along with a 2-year guarantee, with an additional 7 to 10 years available when you book a Vaillant Advance installer. 

Model: Vaillant EcoFit Pure