Top 10 Most Reliable Boilers

In need of a new boiler? It can often be a piece of equipment that you only think about when it stops working. If it happens every now and then, boiler cover can protect you against the costs of repairing it. But there will eventually come a time when it breaks down one too many times, and if you now need to replace yours, knowing which boiler to choose can be so important.

The best boilers will make sure that you and your family have reliable heating and hot water for a long time to come. But there’s actually no one single boiler that’s better than all the rest. The size of your home can make a difference to which boiler is right for you. So too will your heating and hot water needs. And then there’s the choice of the best combi boilers or system boilers.

With that in mind, we rounded up our top 10 most reliable boilers. There’s an option to suit any budget or home. So, here are our top boilers ranked so you can find the one that’s best for you.    

Combi Boilers

Combi boilers are the most compact, modern boiler option available. The best combi boilers are very efficient and don’t take up much space at home. And here are the top five that we think are worth a look:

1. Viessman Vitodens 050-W

Just 707mm tall, this Viessman combi gas boiler is among the smallest wall-mounted options in its class. It comes in both 29kW and 35kW models and comes with the Which? Best Buy seal of approval too. It also has some strong green credentials too. With its stainless-steel Inox-Radial heat exchanger, it doesn’t use as much natural gas and emits less CO2 as a result.

2. Baxi 600

The Baxi 600 combi comes in three models: 24kW, 30kW and 36kW. As a result, it can prove a great option no matter how large or small your home is. One feature that makes this one of the best combi boilers on the market is its 93% seasonal energy efficiency rating. Not only that, but its compact footprint allows it to fit easily into a kitchen cupboard out of sight.

3. Potterton Titanium

This option from the UK manufacturer is one of the best boilers if your home has a high demand for heating and hot water. With four output models ranging from 24kW to 40kW, the Titanium is endorsed by the Energy Saving Trust. And, with a seven-year warranty, it earns its place on our list of the top 10 most reliable boilers for your peace of mind.

4. Ideal Logic Plus

A-rated for heating and hot water, Ideal’s Logic Plus combi boiler is an award-winning option for you to consider. According to Good Housekeeping, 95% of consumers rated this UK boiler brand as either very good or excellent. It’s ideally suited to homes with one bathroom and up to three bedrooms, with a price tag in the middle range of the market.

5. Vokera Easi-Heat Plus Combi

Is budget a concern when deciding which boiler to choose? The Vokera Easi-Heat could be the option for you. Compare it to other brands and the first thing you can notice is the up-front cost difference. But this doesn’t mean you don’t get the reliability or performance of more expensive options. And, with its A-rating for heating and hot water, it can help lower your energy bills too.

System Boilers

For bigger properties with more than one bathroom, even the best combi boilers can struggle to ensure a strong flow of hot water to two taps or showers at the same time. If that sounds like a problem you’ve had, system boilers might be the best boilers for you to consider.

They do, however, require a cylinder for storing hot water.

1. Worcester Bosch Greenstar I

Worcester Bosch is one of the most popular and renowned boiler manufacturers. This is a range that’s actually split into two separate groups. The first of which provide outputs of between 9kW and 24kW and are wall-hung boilers designed for smaller homes. There’s also a second group – with outputs of 27kW or 30kW – that are better suited to larger family homes.

2. Ideal Vogue Max System

Most boiler options come with decent manufacturer warranties as standard. But few of them can stand up to Ideal’s 12-year guarantee on the Vogue Max. With an easy-to-use design that’s just as easy to install, it offers full text support for fault modes and a service timer with display. This is just part of the reason the Vogue Max is one of the top 10 most reliable boilers in our eyes.

3. Grant Vortex Eco External System

Looking for an oil-fired external boiler? Grant’s Vortex Eco External is one answer that’s hard to resist. With outputs ranging from 15kW to 35kW, this boiler is described as ‘exceptionally’ quiet and has an efficiency rating of over 90%. This option is designed to be fitted outside your home and is built to withstand all weather conditions.

4. Viessman Vitodens 100-W System

Quiet, compact, affordable and efficient. For many, these are four of the most important words when deciding which boiler to choose. For smaller and well-insulated homes, the Vitodens 100-W is a strong option. Up to 94% of the gas used is converted into heat and it can fit anywhere in the home without issue. No wonder it was named a 2019 Which? Best Buy.

5. Vaillant ecoTEC Plus System

This mid-range option is one of the best boilers for any home with more than one bathroom. It is a range that includes six models – starting with a 12kW output. For families looking to keep energy bills in check, Valliant says this flagship boiler can drop to using 16% of its maximum power if it knows you don’t need as much heating.

For anyone looking to replace their boiler, our guide to the top 10 most reliable boilers hopefully provides much-needed inspiration. If a boiler breaks down, it’s so inconvenient and frustrating – and that’s why it’s important to choose one that will do what you need it to.

Of course, it’s not always easy to predict when something might go wrong. That’s why our boiler and heating cover can be so reassuring. If you want extra peace of mind with your new boiler, get a quote today.

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