Which Combi Boiler Is Best for My House

A good combi boiler volition deliver plenty of hot h2o for your showers, baths and sinks, and will keep your radiators pipage hot throughout the coldest of winters

Read on to discover which brands make the near reliable combi boilers, and which our Which? Trusted Trader Heating Engineers recollect you should get.

If you lot just want to know which are the all-time combi boilers, head to our combi boiler reviews.

The best combi boiler brands rated

Combi boilers are the most common type of boiler (Uswitch, 2021), with all the main banality brands offering ones for y'all to install in your domicile.

Compare how the about popular combi banality brands, from Ideal to Vaillant, stack up against each other co-ordinate to the results of our 2022 banality survey

Which? members should log in now to unlock the scores in the table. If you're not already a member, try Which? to unlock our boiler research and all our online reviews.

Read our all-time gas and oil banality brands guide for the results of all boiler brands from our boiler survey.

Which brands brand combi boilers?

Our 2022 boiler survey of viii,001 members of the public, found 17 gas and oil boiler brands - all produce combi boilers.

Below you tin can find out a chip more about some of the nigh popular banality brands* and their combi boilers.

Baxi boilers

Baxi is one of the biggest combi banality manufacturers in the United kingdom of great britain and northern ireland. Its range of Assure, Duo-tec, Megaflow and Platinum combi boilers come in sizes to conform almost any size and type of home.

They range in price typically costing between £880 - £ane,000 for a 30kW mediumm-sized combi boiler, although it has models starting from around £550.

Just are Baxi boilers reliable? And what do skillful heating engineers make of them? Caput over to our Baxi combi boiler reviews to find out.

Glow-worm

Glow-Worm has several ranges of combi boilers including Energy, Essential, Betacom, Easicom and Ultimate.

Its combi boilers range in toll, starting from effectually £560, with a medium-sized combi boiler normally being betwixt £700 - £990.

Read our full reviews of Glow-Worm combi boilers to find out how long they final, what its customers make of them and practiced ratings from heating engineers.

Ideal boilers

Originally called the National Radiator Company, Hull-based Ideal has been around for 100 years. Information technology has several ranges of combi boilers including Exclusive, Instinct, Esprit Eco and Logic+ ranges.

Its combi boilers come at a multifariousness of prices, you tin can get a 30kW medium-sized banality from around £590, going up to £1,270.

Our Platonic combi banality reviews reveal how reliable Ideal boilers are, also every bit what customers and engineers recall of them

​Potterton boilers

Potterton is part of Baxi, which is in turn part of the BDR Therma Group. Equally such, several of Potteron's ranges - such as its Assure range - have been absorbed nether the Baxi proper name. Information technology still owns the Titanium Combi, which costs around £800 for the 28kW size.

Read our Potterton combi boiler reviews to find out if they'll outlive the competition and what adept heating engineers make of them.

​Vaillant boilers

German language manufacturer Vaillant is a large combi boiler manufacturer which has the ecoFIT and ecoTEC range of combi boilers.

They typically cost between £1,160 - £ane,410 for a medium-sized boiler of 30kW.

Are Vaillant boilers worth the cost? Read our independent Vaillant combi boiler reviews to find out.

​Viessmann boilers

Viessmann is a German banality brand making waves in the UK boiler scene. Its Vitodens combi boiler lines accept been updated in 2021.

They toll between £780 -  £ane,280 for a mid-sized 30kW boiler, and come in a large range of sizes to adjust near whatever home.

Read our Viessmann combi boiler reviews to observe out how long they last compared to competitors, and whether it has the respect of its customers and expert heating engineers.

Worcester Bosch boilers

German manufacturer Worcester Bosch is i of the biggest combi boiler manufacturers in the Great britain.

Its combi Greenstar range starts at around £800 and goes up to around £2,500, depending on the size and hot water flow you demand for your home.

Read our Worcester Bosch combi boiler reviews to find out how it compares to competitors for reliability, customer satisfaction and according to the views of expert heating engineers.

Combi boilers are less suited for homes with multiple bathrooms. Read your guide to different types of banality to run across which blazon will best conform your home.

What makes a good combi boiler

To get the all-time combi boiler, it's crucial to get for a reliable make that won't break down, and to go 1 that's the correct size and fit for your dwelling house.

An unreliable combi boiler will fail early and is likely to outcome in regular costly repairs. On average, information technology costs almost £200 for a boiler repair (Which? survey, 2021). So it pays to invest in i that will terminal.

An oversized combi boiler will also pb to you spending more than on your heating and hot h2o than yous demand to, and an undersized ane volition deliver a disappointing flow of hot water to your taps and radiators. The simplest way to estimate the size of boiler y'all might need is to count the number of radiators you have

• Fewer than x radiators - nether 27kW
• 10-15 radiators - between 28kW and 34kW
• More than than 15 radiators - over 34kW

This is a rough guide. A fully trained heating engineer will exist able to more accurately size your banality after a full heat loss survey of your abode.

How to buy the best boiler  - our adept guide to getting the perfect boiler installation.

Which? Trusted Trader boiler installers

Proper installation is key to the ongoing health and efficiency of your combi boiler. Poor installation can pb to early on failure, besides as money wasted on repairs and through having a heating system that isn't every bit efficient as information technology should be.

We'd recommend using a Which? Trusted Trader, too. They have all been vetted by a trading standards officer, and the satisfaction of their customers is regularly monitored to ensure they are the all-time of the all-time in their merchandise.

You can apply our search tool below to observe accredited Which? Trusted Traders in your area.

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* Brand popularity based on search volume from SEMRush in September 2021.

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Source: https://www.which.co.uk/reviews/boilers/article/boiler-brand-guides/best-combi-boiler-brands-a1cCp5J6LCFu

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