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Replacing your heating pays off

Does your heating keep failing, make unusual sounds, or is your hot water unreliable? Are you looking to reduce your bills? We build our boilers to the highest standards to ensure quiet heating and hot water comfort for your home. They are so efficient, they can help you reduce your bills and energy use by 30%.

The benefits of a new Vaillant boiler

  • Reduce your heating costs by up to 30%
  • Manufactured to the highest standards to ensure reliable heating and hot water supply
  • Vaillant boilers are exceptionally quiet
  • Controllable by your smartphone (when fitted with a Vaillant vSMART control)
  • Extended guarantees when you choose a Vaillant Advance installer
  • Gas Safe certified installers ensure compliance with the strictest safety standards

It can be hard to understand exactly what your installer tells you when fitting a heating system. We created a guide that simplifies the language and cuts through the jargon, laying out the terminology of the heating industry in plain English. Now, you’ll know exactly what's needed and can better understand your installer and heating system.

Download the Boiler Jargon Guide here (2360 kB)

See the boiler types that Vaillant has to offer

A guide on how to buy your new Vaillant boiler

Here are some FAQs that may be of interest to you

Which is the right boiler for my home?

We’ve got boilers and hot water solutions for virtually every living space, each offering the highest quality, reliability and performance.

Find out more about the right solution for your home.

Combi boilers

  • Better suited for homes with one bathroom
  • Hot water is generated only when it's required and does not need a water storage tank
  • Compact in size, so ideal for smaller homes

Go to our combi boiler range

System boilers

  • Better suited for homes with more than one bathroom
  • Delivers a constant supply of hot water, so perfect for homes with higher hot water needs
  • Needs a water cylinder to store hot water


Go to our system boiler range

Regular (Open Vent) boilers

  • Better suited for homes with multiple bathrooms
  • Ideal where a lot of hot water is used at the same time, in multiple rooms
  • Regular boilers are compatible with solar water and heat pump heating systems

Go to our regular boiler range

How to buy your new Vaillant boiler

  • Find your boiler. There are several types of boilers available and deciding what's right for you can sometimes be a little daunting.
    That’s why we’ve created a simple to use boiler finder tool that helps ease the process. Boiler Finder
  • Get a free quote. Find your local Gas Safe registered Vaillant Advance installers and they'll be able to supply a quotation based on your heating and hot water requirements.
    Find an installer
  • Register your guarantee. Once your boiler has been installed, register the guarantee online (or your installer can do it for you).

Boiler Plus

Please be aware that all new boiler installations must have an ErP rating of 92% in order to comply with the Government regulation, Boiler Plus.

More information on Boiler Plus

Any questions?

We have compiled answers to the most frequently asked questions.

Find an Installer

Find your nearest Vaillant installer here for a free quote

Help & service

We are here to help you. Feel free to contact us