When your boiler breaks down suddenly, out of the blue, it can come as quite a shock. If you have a premium, high-quality boiler installed in your home, they work so efficiently in the background, for so long, that you don’t even know they’re there. We almost take them for granted, only noticing they exist when you hear the sound of them switching on or off. And when it breaks down, it’s like a silent, dependable friend suddenly disappears. Now you are sitting at your computer, or with your smartphone, at midnight, wrapped up in a blanket with a hot tea, searching for the best combi boilers 2022.
Is it Better to Repair or Replace your Broken Old Combi Boiler?
If this is your first boiler breakdown, it’s probably a good idea to get a repair quote first. If you’ve already repaired it multiple times and it keeps breaking down, then you’ve got to cut your losses and replace your combi boiler rather than just repair it. Especially if your existing boiler is older than 12 years, there are a couple of reasons it will be cheaper in the long term to replace it, rather than repair it:
- Lot harder to source parts for boiler models older than 10 years.
- Repair may take longer and be more expensive.
- The manufacturer may have stopped manufacturing the older boiler model or parts.
- Older boilers lose energy efficiency over time due to corrosion of internal parts.
- Low energy efficiency means you may be paying more money on your energy bills.
- Modern, condensing boilers work at 94% energy efficiency compared to 70% on old non-condensing boilers.
- Weather compensation and smart controls increase the efficiency even higher.
- Some premium combi boilers like Viessmann Vitodens 200-W are 98% efficient, and may even get to 100% efficiency.
- You could save an estimated amount between £500 to £1000 during 2022 on your energy bills with a modern combi boiler.
The decision about best combi boilers for you and your household is not exactly an easy one, as there are a lot of confusing statistics and specifications on the internet. It can be a lot to get your head around, which is why at Boilerhut we have decided to help you out with our guide to best combi boilers with what we believe are five of the best combi boilers available in the UK market in 2022.
Combi Boilers so popular?Why are
Combi boilers are an incredibly popular choice for homeowners in the UK for a long time now, and this is largely due to a couple of facts:
- Cheaper than Open Vent or System Boilers.
- Space saving: no need for attic tanks or hot water cylinders.
- Ease of installation; easy to set up for the installer.
- Compact Dimensions; some models may even fit inside a kitchen cabinet.
- They may be more energy efficient in some cases.
Best Combi Boilers are also, crucially, very compact. Which is why they are perfect for smaller homes. It is estimated that when you choose a modern energy-efficient combination boiler, that you could save around £500-£1000 every year on your utility bills. However, it is always important to choose the right boiler type for your requirements and the size of your home. Combi boilers are all-in-one appliances that not only provide you with central heating, but also on-demand hot water. How do you choose from all the boilers and manufacturers out there? We are here to help with our guide to five of the Best Combi Boilers and our top choice from that five.
Best Combi Boilers in the UK in 2022
The list below is compiled with the help of heating engineers & experts with a combined experience of over 40 years, along with installers who install many of these boilers on a daily basis. We’ve taken into consideration important factors like value for money, quality of internal components, energy efficiency, ease of installation, after-sales complaints, and availability of spares etc. We hope this post helps you make the right, informed decision. First place in our list of Best Combi Boilers 2022 is:
As of April 2022, we still have some stock of this boiler available in 29KW and 35KW
For a detailed breakdown on why the 050-w is a fantastic choice of boiler, watch our video below:
New model for 2022 coming soon.
Viessmann have been world leaders in the commercial heating space for a long time, and European leaders for domestic boilers. They are not as well known in the UK, but that is changing fast. At Boilerhut, we feel that this is the best of the bunch when it comes to best combi boilers. Between heating engineers and installers there is normally a lot of debate about which is the better brand between Worcester-Bosch and Viessmann. That’s because these two are the best boiler brands in the UK at the moment. However the consensus is now moving towards the Viessmann Vitodens range for some of the great features it offers and for its high efficiency. Why does it get 5 stars over other condensing combi boilers in this shootout? For a couple of reasons:
1. Inox-Radial Stainless Steel Heat Exchanger
Viessmann’s entire range of best combi boilers 2022 carry this impressive piece of kit inside them. Not only is it patented, but it is also manufactured in-house by Viessmann, which helps them keep their price in a competitive range as well. All other boiler manufacturers, including Worcester Bosch carry an aluminium heat exchanger, some of them sourced by a third party manufacturer to cut costs.
What makes Viessmann’s heat exchanger impressive:
- Stainless steel is highly corrosion resistant, especially Inox which is the highest grade of stainless steel.
- Stainless Steel is also highly efficient, and doesn’t lose efficiency over time, unlike aluminium.
- Because of the radial design, there’s less chances of debris and sludge blocking it.
All of this means that Viessmann’s stainless steel heat exchanger, which withstands incredible amounts of thermal and mechanical stress on a daily basis, especially winters, will run longer without corroding and maintain efficiency for longer. Which is why Viessmann feels comfortable giving a no-quibble 10 years warranty on their heat exchanger on all their best combi boilers 2022.
2. PRV (Pressure Relief Valve) and Condensate combined
Because of this, installation of a Viessmann boiler is faster, simpler and more cost-effective and long runs of additional piping are no longer required. This saves you time and money. Built in safety device meaning no discharge pipe for DHW cylinder is required. No exterior PRV drip/stain as it feeds into a single cold water pipe. One less pipe to penetrate the building fabric.
3. In-built Shock Arresters
If you’ve ever had a water hammer problem, you know why this is important. If you’ve never had a water hammer problem, feel grateful and say thanks to the universe today. The best way to explain it would be someone banging on your water pipes with a spanner every time you open a water tap. That’s especially endearing if someone in your house does that at 6 am. It can be so loud that even your neighbors can hear it.
Viessmann have thought about this as well, as the Composite Hydroblock in the Vitodens series incorporates a shock arrester. Also, no extra expansion vessel is required.
Some more Viessmann Vitodens 050-W boiler features:
- Very easy to understand and use digital control panel and an LCD screen.
- Self-cleaning functionality.
- High efficiency of up to 97%. (On select models)
- Robust and durable design and construction.
- Remote monitoring available.
- Modulation 1-8.
- Stainless steel and highly efficient cylinder burner.
- Easy to install and service/maintain.
At Boilerhut, because of the reasons listed above, we feel Viessmann are a wise choice above more well-known brands like Worcester Bosch and Vaillant. If you are looking at best combi boilers lists online, and want to invest in a Viessmann boiler, we will be able to help with the installation as we are Premium Viessmann Installers, and have experience working with those types of boilers in particular.
Generally speaking, Worcester-Bosch boilers are probably one of the most popular boiler brands in the UK, mostly because of the “Worcester” name, which carries with it a sense of national pride. Even if they are wholly owned by the Germany company Bosch. Anyway, that doesn’t take away from the fact that they make high efficiency, highly reliable, excellent boilers. And you really can’t go wrong with buying one. The Worcester-Bosch 32CDi is the most popular boiler from their line. It is not hard to see why people fall in love with Worcester-Bosch products so easily. They are clever when it comes to the construction, as this is a very compact boiler. But they are also good at manufacturing durable internal components too. The 32CDi has a 5 year guarantee, and can be extended to 10 years. Their boilers have temperature control that is easy to function and has been designed to offer compatibility with a wide array of digital and wireless heating controls.
Vaillant’s range of available boilers has improved and expanded incredibly over the years. They start from 24kW and increase to 37kW. It should go without saying that the size of boiler you choose is directly related to the size of your home and the demand for hot water in your family or whoever lives with you. Some of the key features of this Vaillant boiler include its very compact size, the clear LED display screen, and a wide range of intelligent controls from Vaillant.
Although they took a little longer than other brands to develop a trusted relationship with customers, they have come along leaps and bounds over the years and are one of the go-to choices for many in this country. There are a range of boilers from Ideal, starting from 24kW and increasing all the way up to 35kW. The 24kW model features, among other things, an 8 year guarantee as standard, 5 inch colour display LCD for easy monitoring and a highly efficient stainless steel heat exchanger. There is also frost protection, to ensure this boiler works properly the whole year round.
Baxi are an incredibly popular brand of boiler and it is not hard to see why, as they have around 150 years of experience in the central heating and boiler industry. Right now, the Baxi EcoBlue+ is their top seller. An incredibly compact boiler, it will fit inside most cupboards, giving you a more versatile range of options for where you have it installed. It comes with a standard 7 year guarantee and features, among other things, a wireless mechanical RF thermostat, wired weather sensor and digital timer. Baxi are renowned for being easy to maintain and look after and fairly cheap when it comes to Best Combi Boilers. However, there have been complaints of unreliability, leaks and other faults.
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