Vaillant ecoTEC pro Combi review
Brand scoreShow Context
The ecoTEC pro combi boiler range is assembled by hand in Valliant’s Derbyshire manufacturing plant. It comes with a full variety of thermostat controls, from basic analogue timers to app based controls. Find out how reliable Vaillant boilers are, and how well liked it is by its own customers and expert heating engineers, in our full and independent review.
- Pros and cons
- Heating engineer views
- What type of home is this boiler suitable for?
- Will this boiler produce enough hot water for my home?
- How efficient is this boiler?
First reviewed by Which?
Best boiler brands
Our independent research reveals the best and worst boiler brands, based on the experiences of owners and impartial opinions of real boiler engineers. The worst manufacturer scored a pitiful two stars for reliability.
Buying a new boiler
Need a new boiler? Here's everything you need to know about buying a boiler, including how much it costs, if you can get it for free, as well as the pros and cons of combis, heat-only and system boilers.
How to buy the best boiler
Expert advice on how to buy the best boiler for your home, including picking the right type, size and brand. We compare combi, heat-only and system boilers and let you know which is best for your home so you make the right choice.