Best Combi Boiler 2022: Top 5 Best Combi Boilers To Buy

Best combi boiler

What is the best combi boiler in 2022? Here is the best boiler to buy right now in the UK!

viessmann vitodens 050-w combi boiler

What is the best combi boiler in 2022, this is the question everyone wants to know for their home, right?

This combi boiler guide will help you as a homeowner or landlord choose which of the top 5 combi boilers we have chosen are the best boilers and fit for your home in terms of energy efficiency, price, value for money, reliability, warranty and peace of mind.

Get a fixed online price on the best combi boiler in just 20 seconds – Click here

A little brag here, but Boiler Central installs thousands of combi boilers exclusively with 12 years warranty, so we can advise you on the best boilers currently available for your property and keep our list updated as and when we believe newer and better boilers are available.

  • Money-saving tip! – Homeowners and bill payers can save up to £580 per year by changing to a brand new A-rated combi boiler such as these in our review right now with Boiler Central

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Best combi boiler 2022 – The best combi boilers right now

When it comes to the best combination boilers, some people already have a clear idea of what they want, so if you have a particular boiler manufacturer in mind, you can find our top pick from their selection of new combi boiler options. You can be sure that we will always recommend the best boiler for your home and never oversell.

worcester bosch 4000 combi boiler

This best gas boiler guide is extremely helpful because most homes in the UK have a combi boiler because the typical home has three bedrooms and one or two bathrooms, which is ideal for the combi boiler.

We have a list of the top boiler manufacturers below, listed in order of rating, in case the combi boilers in our best combi boiler list are not sufficient (we’d like to think that they will be).

We hope that this combi boilers reviews guide will help you choose the best boiler for your home. If you need any assistance or have any questions, contact one of our experts at Boiler Central, who can offer advice.

It’s no suprise that most people want the best, who doesn’t. The mid-range combi boiler market has to easily be the most competitive, unreliability is not an option for these lot

5 best combi boilers chosen by our experts in 2022 are:

Here is our list of the best combi boilers, all of which are fortunately currently available to buy online. At the top of the list is the German-engineered Viessmann Vitodens 050, which has taken over from the Worcester Bosch 4000.

Over the past year we have seen a huge spike in sales for the fantastic Viessmann Vitodens 050-w due to the fact it uses a better stainless steel heat exchanger making it the most reliable combi boiler and is still an amazing price.

#1: Viessmann Vitodens 050-w combi boiler is the best combi boiler

#2: Worcester Bosch 4000 combi boiler is a most popular brand

#3: Worcester Bosch 2000 combi boiler is the best entry-level boiler

#4: Ideal Logic C30 combi boiler is best for kitchen cupboards

#5: Viessmann Vitodens 100-W Combi Boiler is the best powerful combi

 

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Top 6 combi boilers manufacturers & brands

viessmann logo

#1. Viessmann
#2. Worcester Bosch
#3. Ideal
#4. Baxi
#5. Vaillant
#6. Glow Worm

If you’re older, you probably recognise the majority of these boiler brands, but if you want to learn more about these different makes of combi boilers, visit our page on the best boiler brands.

Change is good, and change is almost always for the better. Our list of suggested best gas boilers will undergo a significant overhaul in the first half of 2022, with the Baxi 600 and Vokera EasiHeat dropping out of the top 5 spots.

All of the combi boilers that will be available in 2022 are combi boilers that can blend 20% hydrogen. The Ideal Logic, which is also prepared for hydrogen to 20%, joins the Viessmann Vitodens 050-w and Vitodens 100-w in being hydrogen blend ready and ready for hydrogen up to 20%. — The best boiler for your house is one that can handle 20% hydrogen so that you’ll be prepared for any future transition to hydrogen blends.

It is not always wise to spend the most money when selecting the best combi boiler.

combi boiler

Getting a boiler replacement and new boilers isn’t just about how much a combi boiler cost and which boilers have the best specs, so check out our handy list of the top combi boilers on the market right now, complete with our feedback and no confusing jargon.

With our extensive review process, we rigorously test each boiler, ensuring that we check everything from the energy usage to the output and flow rate.

Most importantly, consider how dependable the combi boiler is, as well as the design, ease of use, and longevity. Customer feedback is one of the best ways for us to rank our top pick combi boilers, which helps us decide which boilers to rank first.

We will then consider the costs associated with each combi boiler; we understand that not everyone prefers an all-singing, all-dancing combi boiler, so our ranking decisions will account for everyone’s budget.

If you want a boiler on finance, Boiler Central has you covered.

Is it reliable? Is it energy efficieint? Does it fit in a cupboard? How longs the warranty? Yes, Yes, Yes & nothing less than 12 years is acceptable

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Best combi boiler reviews – How do we pick the best for your home?

We install thousands of boilers each year at Boiler Central, so we get to see what our customers like and dislike.

Not only that, but because we sell the entire market range of boilers, we sell all brands, not just certain ones, and finding the best combi boiler at the best price is what everyone wants, so let’s go get them.

combi boiler with 12 year warranty

To find out the best combi boilers we take into account:

  • Customer surveys
  • Combi boiler specifications
  • Warranty length – manufacturers trust of how long a boiler will last
  • Issues raised which are logged weekly
  • Price of the boiler
  • Aftercare from the manufacturer
  • Manufacturer online reviews
  • Google My Business reviews
  • Trust Pilot reviews
  • Which? Best Buys

All of the factors listed above are important considerations when selecting the best gas combi boilers on the market.

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Best boilers 2022 available right now

So you’re on the market for a replacement combi boiler?

energy efficient combi boiler

But, before we tell you how we arrived at our recommendations for the best boilers, let us first provide you with some interesting statistics and quick summaries. Statistics and boilers are both tedious, but as the saying goes, knowledge is power.

Feel free to investigate, but we do know a thing or two about combi boilers, accounting for over 80% of all sales at Boiler Central. We always make sure that everyone understands the importance of getting an annual gas boiler service in order to maintain their boiler and keep their warranty valid.

As part of the warranty terms and conditions, all boilers in our guide must be serviced once a year for 10 years or more. This must always be completed by a Gas Safe registered heating engineer. Make a service plan with Boiler Central so you don’t forget!

Best central heating boiler in 2022

We have all heard of Which? Best Buys right?

Which? is the leading consumer powerhouse that tries, tests, and reviews a whole range of products and services available on the market including combi boilers.

They then come up with the top picks and tell us all what is the best domestic gas boiler to buy for central heating. We have even done a full piece on them as it is so important that everything works in tandem including your radiators, pipework, fittings, and fixtures all play a key role.

New Boiler costs (which logo)

Which? Also feature central heating boilers and provide their boiler options, of which (excuse the pun), the Worcester Bosch Greenstar 8000 combi boiler is the best buy boiler they have chosen.

So, with both Boiler Central and Which? claiming the Worcester 8000 is the combi boiler to buy this year then, why not get a fixed price on this exact boiler now?

Click here to get an online price in 20 seconds on the Worcester Bosch Greenstar 8000 combi boiler.

In 2021, the combi boiler market drastically changed. Wifi, hydrogen ready to 20%, intelligent filling systems, and facelifts were all the rage. Are boilers becoming cool?

Best new combi boiler to buy this year: Summary

Continue reading to learn why they are the most recommended and best combi boiler manufacturers on the market.

We’re here to tell you about the best combi and system boilers available for purchase in the UK, and after conducting extensive research and reviewing thousands of online reviews, we’ve put together a rigorous benchmark system to find the best available heating and hot water boiler systems on the market today.

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The best combi boiler to buy – Our verdict

our verdict judges hammer

Our aim for this guide is to give you an idea of the best boilers on the market for this year so that you can make a decision based on facts.

We also want to show available options from boiler manufacturers and the types of boilers on the market in 2022.

Again, if your boiler is getting old, say 8 to 10 years old, and gas bills are starting to creep up then you may want to consider upgrading.

The best gas combi boilers are efficient and reliable

Getting the best gas combi boiler ensures that you have one that is efficient and durable to ensure smooth heating of your home. It keeps your central heating system ticking over at the perfect temperature with hot water available as and when you need it.

With huge competition in the boiler market, you need to make sure you take your time in order to get the best deal you can on your new boiler, therefore if you think your boiler is not working or on its way out, then you should definitely start doing your homework just in case, and that’s probably why you’re reading this article!

As much as you don’t want anything to happen, it can be quite reassuring that if you do need a boiler quickly, some installation companies can install a brand new boiler the next day, such as Boiler Central and while we haven’t heard of any other company doing the same-day installation, but it is entirely possible these days, especially with the competition between installers!

Naturally, you want to find the best boilers, but the wide range of choices can make the decision difficult.

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Which are the best combi boilers on the market in 2022?

You’ll see plenty of combi boilers in the UK market, but if you don’t know what or who the boiler companies are, you might dismiss them.

A combi boiler is a combination boiler that works your indoor central heating system and hot water in one whole unit without the need for a cylinder to store hot water, and most Combi boilers are super-compact, of which many can be easily be stored in a kitchen cupboard as long as it is on an outside wall so that the boiler flue can be fitted properly through the wall

This means that you’re able to kill two birds with one stone here. Combi boilers also have a high energy efficiency rating of 98% when it comes to heating water.

How does this benefit you?

By saving more money on energy bills and having hot water as and when you need it. Oh, and a toasty warm house!

All this by just getting a brand new energy-efficient combi boiler installed in your home.

For boiler information or a quote – click here

A well looked after combi boiler could last up to 20 years, it’s not undheard of. It may only be 70% efficient but you 100% got your moneys worth

Modulating Boilers

The best combi boilers, all have boiler modulation. Boilers with modulation will save you money and use less energy. They reduce energy use because they keep the same temperature throughout their use cycle. Simply put, boiler modulation lowers boiler output to a lower ratio for example 1:8 when less energy is needed to generate the desired amount of heat.

Best combi boiler for reliability

To make things easier, we’re going to be listing down some of the best new combi boilers in 2022 of which are the most reliable combi boilers.

The following are our top 5 boilers picks in terms of reliability, value, performance and efficiency with the winner offering a whopping 98.9% reliability rating.

#1 Best combi boiler – Viessmann Vitodens 050-w Combi Boiler

viessmann vitodens 050-w best combi boiler

The Viessmann Vitodens 050-w combi boiler is one of the best combi boilers we have encountered, it is utterly reliable, hydrogen ready to 20% and being German made you can be sure that there will be years of hassle-free heating.

The Viessmann Vitodens 050 uses a stainless steel heat exchanger which is far superior to the other boilers that use aluminium in this list and will last much longer and be more reliable – everything you want in a boiler.

The Vitodens 050-w combi boiler is available in 25kw and 30kw, and the 30kw has been selling very quickly and is now ahead of the latest Worcester 4000 boiler since its release last year

The Vitodens 050 is also not the most expensive boiler either in terms of mid range combi boilers, coming in less than its main competitors.

Small and compact in size, and very quiet, this combi boiler is perfect for kitchen cupboards and comes with a 10-year warranty from Viessmann or 12 years with Boiler Central.

The following are just some of the quality features that the Viessman Vitodens 050-w 30kw combi boiler has:

best combi boiler viessmann vitodens 050-w
Boiler TypeGas Combi Boiler
Which Recommended?No
Boiler Warranty10-year Viessmann warranty (12 with Boiler Central)
Output30kw
Energy RatingA-Rated
Instant Hot WaterYes
Boiler ControlsWireless heating controls
Smart Thermostat CompatibleYes
Boiler FilterYes – completely free
System CleanseYes – completely free
Compact DesignYes

Get a fixed quote in 20 seconds on a Viessmann Vitodens 050-w combi boiler: Click here

#2 Best combi boiler – Worcester Bosch Greenstar 4000 combi boiler

worcester bosch greenstar 30i

The Worcester Bosch Greenstar range is the legendary boiler range that everyone has heard of. There is a good reason for it too. This combi boiler is exceptional at what it does at the right price. Hydrogen blend ready, Which recommended and now with a Quite Mark rating for low noise output. It really is an improvement on what was a dominant boiler.

Reliable, easy to use with its touch screen LCD display, this mid-range boiler which is replacing the old Greenstar i range is in most people’s price range. It’s not the cheapest boiler you can buy, but for that extra £100 or so you can get a whole lot more boiler and a 10-year warranty.

The Worcester Bosch 4000 combi boiler range is available in different outputs, but we believe the 30kw is the one to be getting installed. Just the right amount of power coupled with high efficiency and hassle-free heating – all backed up with a huge 10-year Worcester boiler warranty as standardYou can get 12-years with Boiler Central!

worcester 4000 best combi boiler

Boiler TypeGas Combi Boiler
Which Recommended?Has Which? Best Buy status
Boiler Warranty10-year warranty (12-years with Boiler Central)*
Output30kW
Energy RatingA-Rated
Boiler ControlsWireless heating controls
Smart Thermostat CompatibleYes
Boiler FilterYes – completely free
System CleanseYes – completely free

Get a fixed quote in 20 seconds on a Worcester Bosch 4000 boiler: Click here

#3 Best combi boiler – Worcester Bosch Greenstar 2000

worcester bosch boilers

Worcester Bosch has been hailed as the market leader and for a good reason, they have produced some of the best new combi boiler options for years.

They have consistently produced the best boilers in the UK, and quality products which is why they definitely rank among the best combi boiler manufacturer in 2022.

They have won the Which? award for a few of their boilers, giving you more reasons to purchase a Worcester for your new boiler installation.

So let’s look at their first budget boiler. The Worcester 2000 combi boiler.

The Worcester Greenstar 2000 combi boiler is a great choice for small to medium-sized homes with 1 bathroom… The Worcester Bosch Greenstar 2000 is one of their best offerings because it offers the following amazing functionality all at a very low price for a Worcester Bosch. With hydrogen-ready to 20% blend capabilities and a compact design, this combi boiler is a great low-cost heating solution.

worcester 2000 combi boiler
Boiler TypeGas Combi Boiler
Which Recommended?Yes for 2021
Boiler Warranty6-year warranty (8 with Boiler Central only)
Output30kw
Energy RatingA-Rated
Boiler ControlsWireless heating controls
Smart Thermostat CompatibleYes
Boiler FilterYes – completely free
System CleanseYes – completely free
  • Reduced usage and wastage of electricity
  • Has Which? best combi boiler recommendation
  • Protection against frost – if fixed outdoors
  • Simple controls for users
  • Instant hot water

Get a fixed quote in 20 seconds on a Worcester 2000 boiler: Click here

#4 Best combi boiler – Ideal Logic C30

idea logic best combi boiler

Ideal is another brand that is trusted for the quality of their boilers and judged on their affordability. If you are searching for the best boilers in 2022, you should look at the collection that Ideal boilers have available. Now Hydrogen ready to 20%, the Ideal Logic combi boiler is the choice of new-build developers across the country and the most installed boiler in the UK. The Ideal logic is super compact, easy to install, easy to use, and best of all comes with a great price tag.

Best combi boiler (Ideal)

When you get the Ideal Logic C30 combi boiler, you will enjoy the following features:

Boiler TypeGas Combi Boiler
Which Recommended?No
Boiler Warranty10-year warranty
Output30kw
Energy RatingA-Rated
Boiler ControlsWireless heating controls
Smart Thermostat CompatibleYes
Boiler FilterYes – completely free
System CleanseYes – completely free

Get a fixed quote in 20 seconds on an Ideal boiler: Click here

#5 Best combi boiler – Viessmann Vitodens 100-W 2021 model

The new Viessmann Vitodens 100-W is another brand that is trusted for the quality of their boilers and judged on their affordability. If you are searching for the best boilers in 2022, you should look at the collection they have available. The new Vitodens 100-W is hydrogen ready to 20%, has built-in WiFi and is packed with power.

The Viessmann Vitodens 100-w is one of the best-selling boilers in Europe and comes with relentless reliability and power. This Vitodens 100-w 30kw combi boiler is perfect for small to medium-sized homes. If you need some extra power due to high hot water demand, the Vitodens 100-w 35kw is perfect for medium-sized homes with 2 bathrooms.

When you get the Viessmann Vitodens 100-W, you will enjoy the following features:

Best combi boiler (Viessmann)
Boiler TypeGas Combi Boiler
Hydrogen Ready (20%)Yes
Built In WifiYes
Which Recommended?Yes in 2021
Boiler Warranty10-year warranty
Output30kw
Energy RatingA-Rated
Boiler ControlsWireless heating controls
Smart Thermostat CompatibleYes
Boiler FilterYes – completely free
System CleanseYes – completely free
  • Future proof boiler with new technologies
  • Hydrogen ready (20%)
  • Built in Wifi
  • Extremely easy to use
  • Which Recommended best buy in 2019
  • 10-year warranty – 12-years with Boiler Central*
  • Sublime German engineering
  • Superb value for money
  • A powerful boiler for less

Get a fixed quote in 20 seconds on a Viessmann 100-W boiler: Click here

Best boilers: listed for your convenience

These are the top picks for the best combi boilers in 2019, 2021 and 2022. The list is also by no means a complete collection of all the combi boilers you can find in the market as there are still brands like Baxi boilers who make excellent combi boilers or Glow Worm boilers that used to be high on the best list of combi boiler, but the ones we have above are the best in our eyes.

Vaillant boilers are also another huge german combi boiler brand that haven’t made the top 5 combi boiler list, but this is because they tend to be more expensive but offer nothing more in terms of value.

Again, we have judged the above best combi boilers by metrics of performance, price, warranty, easy boiler installation, and maintenance.

You might have seen most of these brand names in 2018 and 2017 too, but that’s because these brands are renowned for consistently crafting amazing boilers and combi boilers.

Buying a boiler from any of the brands listed above also ensures that even if you don’t pick the models recommended here, you can still walk away with a boiler that will work efficiently and diligently for years to come.

For boiler information or a quote – click here

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Which combi boiler is best in 2022 for you?

When you are taking a look at our top picks for the best range of combi boilers, always make sure to consider how they will perform in your household.

Picking a new boiler that others recommend without considering its performance can be a recipe for disaster.

Instead of just picking the top rated combi boilers, make sure that you pay attention to various factors, including the ones outlined below:

  • Where is the boiler going to be placed? (Indoors or outdoors)
  • How big are the house and what size boiler should you get for your home? – Larger houses will benefit from boilers that have a larger kW capacity
  • What is the water consumption of the house? – If every family member loves a hot bath, make sure you pick a highly efficient boiler that can accommodate this.

By focusing on these major areas, you will be able to find the answer to which boiler manufacturer is best to buy right now. if you are unsure, read our how does a combi boiler work post now. 

What are the recommended boilers available in the UK?

So, have covered which combi and system boilers top the rankings, but are these the most suitable to heat homes in the UK? A quick answer is yes!

The UK has average temperatures which do not often even in the deepest of winters fall below minus 10 degrees; therefore, the power required is not as much as a country that has much lower temperatures.

When it comes to boiler testing and best boiler recommendations, Which? are the best known for reviewing many consumer products and boiler reviews are high on their list? 

They showcase the leading boilers on the market each year and feature rigorous testing to come up with a final Best Buy boiler.

 

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What combi boiler does Which? Recommend to purchase?

As briefly mentioned above, Which? Best Buy combi boilers and system boilers are reviewed each year.

Viessmann and Worcester Bosch seem to frequently top the top picks for boilers recently with their leading combi boilers.

Some say that these are the best options on the market at the current time and in terms of customer reviews, boiler engineer recommendations, and professional testing, they all tend to agree.

Most of the Which? Recommended boilers are from boiler manufacturers with high 5 star ratings on review sites such as Trustpilot.

 

Best gas boiler for your home – Frequently Asked Questions

As you have probably guessed, buying the right combi boiler for your home isn’t as easy as just picking the best gas boiler. So here are some more specific questions we have answered for you to help you along the way. 

What is the best combi boiler for a 2 bedroom house?

The best combi boiler for a 2 bedroom house is the Viessmann Vitodens 050-w combi boiler as it is the perfect output for homes with 2 bedrooms and one bathroom. Not only that, this combi boiler is designed to fit in kitchen cupboards and leave some space, so if you are looking for a boiler for a flat, 2 bed terrace or even a small 3 bed then choose the Vitodens 050 25kw combi! 

What is the best combi boiler for a 3 bedroom house?

The best combi boiler for a 3 bedroom house is the Worcester Bosch 4000 30kw combi. This is the ideal output for this type of home with up to 2 bathrooms and reasonable hot water demands. The Vitodens 050-w cam close but everyone loves the Worcester 4000 combi and it while it is slightly larger than most compact versions, it can still be slotted into a kitchen cupboard, we just suggest that you measure up first! 

What is the best combi boiler for a 4 bedroom house?

The best system boiler for a 4-bed house is the Worcester Bosch Style 8000 35kW combi boiler. This powerful combi boiler comes in higher outputs than most boilers with outputs of up to 50kw. The ideal Worcester 8000 would be the 40kw combi boiler for a home with 4 bedrooms as this gives you that extra power and makes sure that it can cope with higher hot water demands. 

Which is the best combi boiler for a loft?

If you are considering a new combi boiler but want to hide it away in your loft, then the good news is that you can pretty much choose any combi. All the best combi boilers are compact and lightweight so they should easily be able to fit through a loft hatch and be installed neatly on a a wall in the loft space. 

Which is the most efficient combi boiler?Best combi boiler (efficiency)

The most efficient combi boiler for a 4 bedroom house is the Viessmann 050-W 30kW combi boiler.

The most efficient system boiler for a 4 bedroom house is the Viessmann 100-W 26kW system boiler.

Ensuring that you get an energy-efficient combi boiler makes sure that you are not using more gas or energy than is required as older combi boilers start to become less energy efficient and use up far more gas than a new A-rated unit. 

Read our guide on best efficient boilers for more info on how to save as much energy as possible with the best energy efficient combi boilers on the market right now with up to 94% efficiency rating. 

Best budget combi boilers

The best budget combi boiler is the Vokera EasiHeat boiler. This combi boiler is perfect for customers who want a well-known brand and a reliable boiler in their homes. This is a popular boiler for landlords due to the price but we always recommend going for boilers with longer warranties and likely better reliability such as the Ideal Logic C30

The 25kW version of the Vokera EasiHeat is perfect for homes with up to 3 bedrooms, sometimes 4 if there isn’t a high demand for hot water in the property.

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Which are the worst combi boilers?

As daft as it seems, it is sometimes a good idea to be aware of the worst combi boilers to ensure that you stay away from them and you don’t end up with an unreliable combi that is going to cause you no end of issues. Luckily in our transparent helpful guide we have provided you with some of the worst boilers on the market right now.

These boilers have bad reviews, low reliability, no end of problems and hassle for homeowners and landlords alike. 

Combi boiler vs system boiler – What is the best boiler for your home?

This completely depends on the type and size of the home where the boiler is to be installed.Which combi boiler is best for my home

We would recommend a combi boiler for homes that have 1-2 bathrooms or showers; however, if a home has multiple bathrooms and showers, then a system boiler is a better solution to provide enough hot water. 

System boilers actually store hot water in a cylinder, making it more available when and if you need it.

Combi boilers, on the other hand, heat hot water on demand which means if there are 3-4 showers running at the same time in a home, then your combi will struggle to meet the demand. 

Storage combi boilers, however, combine elements of both combi and system boilers, respectively. They allow for instant hot water on demand as well as the ability to store water in a cylinder, making it useful for running multiple water utilities at once. 

Read our full combi boiler vs system boiler guide here to help you make your decision now

Best combi boiler: Final verdict

If you are unsure what boiler size is best for your home then take our 9 step boiler fixed cost quote calculator. If you’re spending a fair bit of money on a boiler, you may want to protect it with one of our boiler cover plans too which also include a free annual boiler service 

At Boiler Central we will find you the best combi boiler for your home, at the perfect size and performance and even a fixed price that you can purchase online by card or get an instant finance decision.


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