Vaillant Boiler Prices 2025

Vaillant sell nearly 2 million boilers a year around the world and have about 15% market share in the UK.

The company has had a few firsts when it comes to boilers:

• in 1894 they patented the closed system gas powered bathroom boiler

• then in 1905 they launched the first wall mounted gas water heater

• then in 1924 they introduced the first central heating boiler

And they haven't stopped innovating ever since. All their modern boilers are famous for being reliable and having a strong environmental focus.

Vaillant boiler prices

The cost of a Vaillant boiler is dependent on the type of boiler that suits your requirements. Vaillant produce 7 different types of boilers and each are priced differently. We've collated all you need to know to check which is right for you and also what it will cost in this article.

Vaillant manufacture:

• Combi boilers

• System boilers

• Conventional (regular or heat only) boilers

• Gas boilers

• LPG boilers

• Condensing boilers

• Compact boilers

continue reading to uderstand the differences in pricing and use the handy quick links to jump to the relevant section.

Vaillant combi boilers cost from £1,000 to £2,400 for the boiler supply and between £2,500 and £6,000 fully installed.

• The boiler supply cost depends on which range of boiler you select and the power output needed.

• Vaillant are a premium brand of boiler but within their range they have more value focussed combi boilers such as the ecoTEC pro and high end models, which have longer guarantees, more expensive components and more advanced technology.

• Vaillant combi boilers range from 24kW (smaller properties) to 43kW (larger properties). More powerful boilers cost more than less powerful boilers.

• Combi boilers from Vaillant come with a 7 or 10 year gurantee

A System boiler from Vaillant will cost between £1,000 and £1,750 for the boiler itself and with full installation will cost from £2,500 to £6,000, depending on the complexity of the job.

• The cost of the Vaillant system boiler largely depends on the range of boiler chosen and the power output required to heat the property.

• Vaillant supply system boilers from 10kW right up to 30kW with the cost increasing as the output goes up.

• The ecoFIT pure system boilers are Vaillant's value range whilst the more premium ecoTEC plus system range has their most expensive unit.

• Value Vaillant system boilers come with a 7 year guarnatee whereas more premium lines have a 10 year guarantee.

Vaillant conventional boilers cost from £950 to £1,900 (boiler supply only) and fully installed from £2,450 to £6,000 depending on the type and complexity of the job.

• The cost of the Vaillant conventional boiler is determined by the range of conventional boiler chosen and how powerful the unit needs to be.

• Vaillant regular boilers range from 12kW right up to 35kW in output capacity with the price rising as the power of the boiler increases.

• The lower price conventional boiler range from Vaillant has a 7 year guarantee vs. the more premium with a 10 year guarantee.

Vaillant gas boilers cost from £950 to £2,400 for the boiler itself and then with full installation from £2,450 to £6,000, with the full price depending on the complexity and type of job undertaken.

• There are two main drivers for the range in the cost of the boiler only: the power of the boiler (measured in kW) and the range of boiler (value vs. premium)

• Vaillant gas boilers come in various power outputs ranging from 10kW to 43kW, with the price generally increasing as the boiler capacity increases.

• Vaillant value gas boiler ranges are cheaper than the premium ones, even for the same power output. The premium boilers have longer guarantees and higher grade components.

• Vaillant gas boilers come with either a 7 year or a 10 year guarantee.

An LPG boiler from Vaillant costs from £1,100 to £2,100 (supply only) and between £2,600 and £6,000 with full installation - subject to the complexity of the job.

• Vaillant produce LPG boilers ranging from 10kW up to 43kW. The cost of the LPG boiler typically goes up as the capacity grows.

• The LPG boiler from the Vaillant value range is cheaper than the equivalent LPG boiler from a Vaillant Premium range due to higher grade components and a longer guarantee.

• Vaillant LPG boilers are available with 7 and 10 year guarantees

Vaillant condensing boilers cost from £950 to £2,400 (supply only) and from £2,450 to £6,000 fully installed, with the final price depending on the specifics of the job including the old and new boiler type, the boiler installation location and any extras ordered or needed.

• All Vaillant boilers are condensing boilers and come in a varienty of power outputs from 10kW (one of the cheapest boilers Vaillant produce) to 43kW (one of the most expensive).

• Vaillant have premium and value ranges of condesning boilers, with the premium tending to have longer guarantees, more innovative technology and higher grade parts, and are priced accordingly.

• Vaillant offer 7 year or 10 year guarantees on their condensing boilers.

Vaillant compact boilers will cost from £950 to £1,750 for the boiler only and with full installation will cost between £2,450 to £5,000 with the overall cost determined by the complexity of the job and additional extras.

• The Vaillant compact boiler range is the ecoFIT pure and is available as a combi, a system and a conventional boiler.

• Vaillant compact boilers are available from 12kW to 35kW power output; the cost of the boiler increases with the capacity

• Vaillant offer a 10 year guarantee on their compact boilers which is built into the overall price you will pay.

Summary on Vaillant Boiler Prices

So there you have it, all you need to know about the different types of boilers Vaillant manufacture and their cost, plus all the Vaillant boiler ranges and the cost and spec of each individual model.

All that's left is for you to get compare Vaillant Boiler Prices