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Boiler Guide

Everything there is to know about heating systems, energy saving, care plans and more.

How To Save Energy At Home

How to save energy at home

Take a look at some of our top tips to reduce your energy use at home and start saving on those monthly energy bills - You can start to save money today!

How to save energy at home
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Vaillant ecoTec Plus 415 Boiler - Review

We took a closer look at the Vaillant ecoTec Plus 415 regular boiler - a highly efficient boiler boasting German engineering and a 15kW heating output.

Vaillant ecoTec Plus 415 Boiler - Review
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Worcester Greenstar 15i System - Review

In our latest system boiler review, we took a look at the Worcester Bosch Greenstar 15i - a highly efficient, wall-mounted 15kW system boiler.

Worcester Greenstar 15i System - Review
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Vaillant ecoFit Pure 418 Boiler - Review

In our latest review, we took a look at the Vaillant ecoFit Pure 418 regular boiler - a popular choice out of the Vaillant ecoFit Pure boiler range.

Vaillant ecoFit Pure 418 Boiler - Review
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Power shower vs electric shower

Power showers and electric showers are topics that seem to confuse a lot of us, and we're here to explain how each of them work and the benefits of each.

Power shower vs electric shower
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What's a Megaflo Unvented boiler system?

Looking for more information on Megaflo cylinders? We take a closer look at Megaflo unvented cylinders, which supply large volumes of hot water to all outlets.

What's a Megaflo Unvented boiler system?
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Tado Smart Thermostat - Review

In our latest review, we had a look at the Tado smart thermostat, the "new kid on the block" in the world of smart tech with a stunning futuristic LED display.

Tado Smart Thermostat - Review
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Vaillant ecoTec Plus 424 Boiler - Review

We took a look at the Vaillant ecoTec Plus 424 boiler - a highly efficient regular boiler with a 24kW output and some great features.

Vaillant ecoTec Plus 424 Boiler - Review
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Worcester Greenstar 12i System - Review

We took a closer at the popular Worcester Bosch Greenstar 12i System boiler - a wall-mounted 12kW system boiler with some great features.

Worcester Greenstar 12i System - Review
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Worcester 35CDi Classic System - Review

In our latest review, we took a closer at 35kW system boiler, the Worcester Bosch Greenstar 35CDi Classic System - a highly efficient and powerful boiler.

Worcester 35CDi Classic System - Review
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Vaillant ecoTec Plus 938 Combi - Review

In our review, we took at Vaillant's rather large ecoTec Plus 938 Storage combination boiler - boasting a large flow rate and a small water storage unit.

Vaillant ecoTec Plus 938 Combi - Review
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What to consider when replacing a boiler

Find out what factors to consider when it comes to replacing your old boiler. From the number of bathrooms to your mains pressure - we've got you covered.

What to consider when replacing a boiler
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What are smart thermostats?

The latest in heating controls. Find out what they can do and how you could start to monitor your home temperature remotely - saving on your energy bills.

What are smart thermostats?
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Magnetic filters & limescale inhibitors

Everything you need to know about magnetic filters and limescale inhibitors! From what they are and why they're essential for your home central heating system.

Magnetic filters & limescale inhibitors
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Worcester 30Si Compact Combi - Review

We took a closer look at the popular (and small) Worcester Bosch's Greenstar 30Si Compact combination boiler - Just how good is the boiler compared to the 30i?

Worcester 30Si Compact Combi - Review
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Baxi EcoBlue+ vs Ideal Logic+

It's the battle of the mid-range combi boilers. We pit Baxi's EcoBlue+ against the Ideal Logic+ to find out out which one is better value for money.

Baxi EcoBlue+ vs Ideal Logic+
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Worcester Bosch Greenstar 25Si - Review

We took a look at the Worcester Greenstar 25Si Compact, the smaller alternative to the massively popular 25i combi boiler - Can it still pack a punch?

Worcester Bosch Greenstar 25Si - Review
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Worcester Bosch Greenstar 24Ri - Review

We took a closer look at Worcester Bosch's popular regular boiler, the Greenstar 24Ri - How well does it stand against its competitors?

Worcester Bosch Greenstar 24Ri - Review
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Vaillant ecoTec Pro 30 Combi - Review

In our review of the Vaillant ecoTec Pro 30 combi boiler, we take a look at its performance and efficiency. Could this be the perfect fit for your home?

Vaillant ecoTec Pro 30 Combi - Review
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Vaillant ecoTec Pro 28 Combi - Review

We took a look at Vaillant's most popular 28kW combi boiler, the ecoTec Pro 28 - How well does it perform in comparison to a Worcester Bosch alternative?

Vaillant ecoTec Pro 28 Combi - Review
How To Switch Energy Supplier

How to switch energy supplier

Discover how easy it is to switch supplier today and find a tariff that suits you - you could save up to £350 a year on your energy costs if you switch.

How to switch energy supplier
vSMART vs Wave

Smart thermostats - vSMART vs Wave

The Battle of the Thermostats continues - this time we pit the Worcester Wave and Vaillant vSMART against each other - how will they compare?

Smart thermostats - vSMART vs Wave
Vaillant vSMART - Review

Vaillant vSMART - Review

With a growingly competitive smart thermostat market, we took a quick look at Vaillant's very own vSMART smart thermostat and few of its top features.

Vaillant vSMART - Review
Saving Money With A New Boiler

Saving money with a new boiler

Energy bills running too high? We're here to help. Find out how much much you could save with a brand new high efficiency boiler purchase.

Saving money with a new boiler
Preparing Your Boiler For Winter

Preparing Your Boiler For Winter

Find out how you can keep your home warm and comfortable through the cold winter months with a few simple steps and some boiler maintenance.

Preparing Your Boiler For Winter
New Boiler vs Boiler Repair

New Boiler vs boiler repair

Is your boiler on its last legs? Discover the reasons why a boiler replacement is better and how much you could save.

New Boiler vs boiler repair
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Is my boiler pressure too high?

Excessive or insufficient boiler pressure could jeopardise the integrity of your boiler. Learn more about how to recognise and correct the problem.

Is my boiler pressure too high?
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9 signs it's time for a new boiler

Recognise the 9 typical signs that help you establish whether you need a simple boiler repair or a completely new replacement boiler.

9 signs it's time for a new boiler
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Types of boilers

Find out everything there is to know about the different types of domestic boilers - from condensing over combi and conventional to system boilers.

Types of boilers
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Understanding gas safety

Everything you need to know about gas safety - from what to do if your boiler leaks carbon monoxide gas and how to detect it.

Understanding gas safety
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What is a combi boiler?

Combi boilers are the most popular type of domestic boilers in the UK due to their heating efficiency, space-saving qualities and cost-effectiveness.

What is a combi boiler?
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What is a condensing boiler?

Find out what condensing boilers are, how they differ from other types of boilers, their energy and cost-saving benefits and much more.

What is a condensing boiler?
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What is a conventional boiler?

Find out what conventional boilers are, how they work and why they are a popular choice for anyone in an area with low water pressure.

What is a conventional boiler?
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What is a system boiler?

Find out what system boilers are, how they work and why they are a popular choice with larger families or homes with multiple bathrooms.

What is a system boiler?
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A guide to central heating controls

Everything there is to know about central heating controls! From old-school mechanical boiler thermostats to smart wireless boiler controls.

A guide to central heating controls
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How does a thermostat work?

Find out how what a central heating thermostat is, what types there are, how they work and how to get the most of them by using them correctly.

How does a thermostat work?
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What can a new boiler really save me?

Find out how much money a new A-rated condensing boiler could save you on your annual energy bills and check whether a new boiler could pay for itself!

What can a new boiler really save me?
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What is a smart meter?

Everything there is to know about smart meters! What are they? What are the pros and cons? And are they a good investment? Find out here.

What is a smart meter?
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Benefits of energy-saving light bulbs

All you ever wanted to know about energy efficient bulbs! What they are, how to choose the right one and whether they're worth the investment.

Benefits of energy-saving light bulbs
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Programmable vs smart thermostats

Discover all there is to know about the differences between classic, programmable thermostats and their most modern counterpart - smart thermostats.

Programmable vs smart thermostats
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How to balance your radiators

Discover how to balance your radiators today with some valve adjustments and a few easy steps. You could slash your energy bills starting today!

How to balance your radiators
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Introducing the new Nest Thermostat E

We've tested Nest's latest model, the Nest Thermostat E - a cheaper alternative to the 3rd Gen. Nest but with all the energy and money-saving features.

Introducing the new Nest Thermostat E
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Vaillant ecoTec Pro 24 Combi - Review

We reviewed Vaillant's ecoTec Pro 24 combi boiler - How will it compare to the competition, especially the Worcester 25i - the UK's most popular boiler?

Vaillant ecoTec Pro 24 Combi - Review
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Ideal Logic+ 24 Combi - Review

We take a look at the Ideal Logic Plus 24C boiler - How efficient is it? Could this be their best boiler yet? And how does it match up to the competition?

Ideal Logic+ 24 Combi - Review
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Worcester Bosch Greenstar 25i - Review

We took a good look at Worcester Bosch's Greenstar 25i combi boiler - Just how good is the UK's most popular boiler and the successor to the 24i Junior?

Worcester Bosch Greenstar 25i - Review
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Potterton Gold vs Glow-worm Betacom3

It's the battle of the low-budget combi boilers. We pit Potterton's Gold against the Glow-worm Betacom3 to find out out which one is better value for money.

Potterton Gold vs Glow-worm Betacom3
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ecoTec Pro 24 vs Greenstar 25i

It's the battle of the high-end combi boilers. We pit Vaillant's ecoTec Pro 24 against the Worcester Bosch Greenstar 25i. Find out which one is better!

ecoTec Pro 24 vs Greenstar 25i
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How to choose the right radiator

Struggling to find the right radiator for your home? Take a look at our guide to find out how to calculate radiator size and the type you will need.

How to choose the right radiator
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A guide to radiator valves

Find out everything about the different types of valves that exist for radiators - from manual valves over thermostatic radiator valves (TRVs) to smart options.

A guide to radiator valves
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A guide to home insulation

Discover how energy saving insulation could save you money on your annual energy bills in our insulation guide.

A guide to home insulation
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Smart thermostats - Nest vs Hive

It's the battle of the two smart thermostat leaders - Nest vs Hive. We compared their design, features and installation. Who's going to win?

Smart thermostats - Nest vs Hive
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Asbestos in boiler insulation

Learn more about the dangers of asbestos - What is it? How dangerous is it? What are the symptoms, and how can you avoid it?

Asbestos in boiler insulation
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What is boiler cover?

Everything you need to know about boiler cover. What is boiler cover? Is boiler cover worth it?

What is boiler cover?
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What is combi boiler cover?

If you're looking to avoid those unexpected combination boiler breakdowns, combi boiler cover may by exactly what you need.

What is combi boiler cover?
Worcester Bosch Wave - Review

Worcester Bosch Wave - Review

We had a quick look at Worcester Bosch's latest thermostat offering, this time with their Wave smart thermostat. Could it be the thermostat for you?

Worcester Bosch Wave - Review
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A guide to hot water cylinders

Learn more about hot water cylinders, from how they store your water as well as how hot water Is distributed through your home. Find out more here.

A guide to hot water cylinders
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The ErP directive

Learn about the EU's Energy related Product Directive (ErP), which helps you keep an eye on the energy efficiency of your everyday energy appliances.

The ErP directive
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What is a powerflush?

Find out how much a powerflush costs, what they're good for, whether you may need one and what the difference is between a powerflush and a chemical flush.

What is a powerflush?
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A guide to geothermal energy

Explore the solution to the problem solar power users are faced with at night and during darker days with the use of home storage batteries. Find out more here.

A guide to geothermal energy
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Why you should avoid cheap boilers

Thinking of buying and installing a budget boiler? Before you do, take a look at why it's better to spend a little extra on a boiler for your own peace of mind.

Why you should avoid cheap boilers
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Worcester Bosch Greenstar 32CDi - Review

In our latest boiler review, we took a look at the Worcester Bosch Greenstar 32CDi Compact combi - a highly efficient 32kW combi boiler with great features.

Worcester Bosch Greenstar 32CDi - Review
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Worcester Bosch Greenstar 36CDi - Review

We took a closer look at Worcester Bosch's popular 36kW compact combination boiler, the Greenstar 36CDi Compact combi - a highly efficient and powerful combi.

Worcester Bosch Greenstar 36CDi - Review
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Vaillant ecoFit Pure 415 Boiler - Review

In our latest review, we took a closer look at the ecoFit Pure 415 - Vaillant's popular 15kW regular boiler choice for those with traditional heating systems.

Vaillant ecoFit Pure 415 Boiler - Review
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Worcester 34CDi Classic Combi - Review

In our latest combi boiler review, we took a look at the Worcester Bosch Greenstar 34CDi Classic Combi - a powerful yet highly efficient combination boiler.

Worcester 34CDi Classic Combi - Review
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Vaillant ecoTec Green iQ 843 - Review

We took a closer look at Vaillant's ecoTec Green iQ 843 for you - the upgrade to the popular 835 model with some environmentally friendly features.

Vaillant ecoTec Green iQ 843 - Review
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Worcester Bosch Greenstar 29CDi - Review

We took a closer look at Worcester Bosch's Greenstar 29CDi Classic combi boiler - a highly efficient and small combi boiler with great features.

Worcester Bosch Greenstar 29CDi - Review
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The best smart thermostats 2019

Discover the UK's top smart thermostats in 2019 and how they compare - Which one's right for you and how much control do they give you over your heating?

The best smart thermostats 2019
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What’s The Ideal Room Temperature?

Not sure what temperature your house should be? Or the most economical temperature for central heating? We took a look at how you could make an energy saving.

What’s The Ideal Room Temperature?
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Vaillant ecoTec Plus 412 Boiler - Review

We took a closer look at one of Vaillant's most popular regular boilers, the Vaillant ecoTec Plus 412 - a highly efficient boiler with a 12kW heating output.

Vaillant ecoTec Plus 412 Boiler - Review
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Worcester 42CDi Classic Combi - Review

In our most recent Worcester review, we took a lot at the Greenstar 42CDi Classic Combi - a highly powerful and efficient 42kW combination boiler.

Worcester 42CDi Classic Combi - Review
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Vaillant ecoFit Pure 835 Combi - Review

In our latest review, we took a look at the Vaillant ecoFit Pure 835 combination boiler - the most powerful combination boiler out of the ecoFit Pure range.

Vaillant ecoFit Pure 835 Combi - Review
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Vaillant ecoFit Pure 830 Combi - Review

Vaillant's ecoFit Pure 830 combination boiler - a popular choice for homeowners looking for an efficient 30kW combi boiler with a powerful flow rate.

Vaillant ecoFit Pure 830 Combi - Review
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Vaillant ecoFit Pure 825 Combi - Review

In our latest review, we took a look at Vaillant's ecoFit Pure 825 combi boiler - an ideal choice for homeowners looking for a small yet powerful 25kW gas boiler.

Vaillant ecoFit Pure 825 Combi - Review
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Worcester 30i vs Worcester 30Si Compact

We're back with a new edition of the battle of the boilers, this time between two Worcester Bosch combi boilers: the Greenstar 30i and the 30Si Compact.

Worcester 30i vs Worcester 30Si Compact
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Worcester 30i vs Worcester 29CDi Classic

It's the battle of the high-end combi boilers, this time between two Worcester Bosch boilers: the Worcester Bosch Greenstar 30i vs 29CDi Classic combi boiler.

Worcester 30i vs Worcester 29CDi Classic
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Worcester 38CDi Classic Combi - Review

In our latest combi boiler review, we took a look at the Worcester Bosch Greenstar 38CDi Classic Combi - a powerful yet highly efficient combination boiler.

Worcester 38CDi Classic Combi - Review
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Worcester 30Ri vs 30CDi Classic Regular

In our latest edition of the battle of the boilers, we have two Worcester Bosch regular boilers: the Greenstar 30Ri and the 30CDi Classic Regular.

Worcester 30Ri vs 30CDi Classic Regular