It's time for an update

You've been using your good friend IE for quite some time now. It has been a reliable companion for probably the last 20 years.

Unfortunately, due to technology constantly evolving, we would like to kindly ask you to update your browser to one of your liking from the ones listed below. This will ensure that you're going to have good time on our site. Actually, any site really.

Farewell, Internet Explorer.

How to buy a Vaillant boiler

Find the boiler that is perfect for you

installer and woman looking at the boiler

What you'll learn

  • What are the costs of buying a new boiler?
  • Guarantees
  • Boiler Plus

Need a replacement boiler? It's as easy as 1,2,3

  1. boiler standing on a wall in a kitchen
  2. an installer shaking hands with a homeowner
  3. three people talking around a table
  1. 1

    Find your perfect boiler

    At Vaillant, we manufacture three different types of gas boilers; combination (combi) boilers, system boilers and regular (open vent) boilers. Our products suit a wide range of homes and living spaces.

    If you’re thinking of upgrading your boiler, you must consider the size of your home, budget and your heating and hot water demands. With guarantees of up to 10 years available through your Vaillant Advance installer, you can be confident that our gas boilers offer the highest levels of quality, reliability and performance.

    See our full product range and choose a boiler that will suit your central heating and hot water demands.

    If you ‘re unsure as to what boiler would best suit your home, try our Find A Boiler Tool here.

  2. 2

    Find your local installer

    Once you've found your perfect boiler, you'll need to find a local accredited installer for a quote. Our ‘Find an installer’ tool will help you find your nearest Vaillant Advance installer. Simply give a few details such as postcode, and the tool will do the rest. You'll be presented with a list of your local installers.

    Our installers can provide you with expert advice on the best solution for your heating and hot water requirements. To find your local boiler installer near you, click here.

  3. 3

    Get in touch

    Once you've found your boiler and a local installer, you will need to send your enquiry. You can contact up to three local installers at the same time and they will get in touch with a no-obligation quote for the boiler and installation.

    They'll also be able to ask any additional questions they may have regarding placement or access etc. You can arrange a fitting date to suit you directly with your installer.

What are the costs of buying a new boiler?

Before you buy a new boiler, it's important to have all relevant information and understand what model will meet your needs.

Upgrading your boiler can be a costly investment with the up front cost of the boiler and installation fees. However, there are multiple benefits of modernising and replacing your existing boiler.

  • New boilers are often more energy efficient, meaning that whilst boiler replacement can be costly, it can also result in savings on household energy bills. Paired with a Vaillant heating and control or thermostat, you can potentially make even greater savings on your bills without being wasteful.
  • If you have an old boiler that is non condensing it will probably be classed as a band G boiler, with an energy efficiency of less than 70%. If you replace your existing boiler with a current ErP 'A rated' condensing Vaillant boiler, it will have an energy efficiency of 90%.
  • Savings will depend on your house size and type, and the current levels of energy efficiency your house has. The more insulated your home, the less energy your boiler has to use to maintain the right temperature for you. Find out more about heating tips and how to reduce monthly energy bills.

Register your boiler’s guarantee

Once you’ve had your new boiler installed, you can register your guarantee online. Your Vaillant guarantee covers you for the repair of any defects related to the manufacturer of your Vaillant appliance. The repair will be called out by one of our service engineers and will cover both parts and labour.

If you had your boiler installed by a Vaillant Advance installer, then they can register the boiler's guarantee for you and offer an extended guarantee period. Learn more about guarantees and the terms and conditions here.

Boiler Plus

Boiler Plus is government legislation that aims to improve the way homes across the UK use energy by increasing the efficiency of their heating systems. From April 2018, any new boiler installations must have a time and temperature control fitted and the heating system must meet or exceed an ErP efficiency of 92% during operation.

Read our guide ‘What is Boiler Plus and how will it affect me and my home’ for more information.