There's a lot more to boilers than just the white box on your wall. We're asking all these questions about your system and your home in order to find your perfect boiler, but what does it all mean?

We've compiled all the information you need to understand what you might already have, and what might work better for you.

Boiler Types

The main question is what type of boiler do you have now and whether a like for like replacement or a conversion is best for you. Here we explain the main differences between each type of boiler and how they work.

Read more: Combi Boilers | Standard Boilers | System Boilers | Back Boilers

Boiler Manufacturers

We quote for a range of boilers that we think are a great fit for the average property and family lifestyle, but there are many different brands and models on the market. Here is some information about some of the most popular manufacturers and if you want advice or a price for a specific boiler that you don't see on our site please just give us a call and we'll be happy to advise you.

Read more: Baxi | Ideal | Vaillant | Vokèra | Worcester

The Flue

The flue is an important part of the boiler system and we'll need to know what type you have currently and whether this will need to change. Here we describe what a flue is for and the different types, shapes and positions they may be in.

Read more: Flue

Magnetic Filter

Good system maintenance is vital to maximise the life of your system and here at Evolve we always install a filter and a chemical flush with any new boiler. This page explains more about what these are and how they help.

Read more: Magnetic Filter | Chemical Flush


Like cookers and other appliances, boiler can be powered in multiple ways. We install boilers that are powered by Natural Gas or LPG and here we explain the differences between them to help you determine what power your system uses.

Read more: Natural Gas | LPG

Please note boilers can also be powered by electicity but we do not currently offer electric boiler installation


A boiler would be pretty useless without radiators to transfer the heat around your home, but we will need to know how many you have to be able to offer the right size boiler to heat them. Find out more about how a radiator works here, and if you think your system would work better with fewer, more or better radiators just get in touch and we'll be happy to advise you.

Read more: Radiators

TRVs - Thermostatic Radiator Values

Radiators used to be either on or off, but these days they can have valves fitted to them to adjust the level of heat emitted individually. You may already have these, or you may benefit from having them fitted during your install. Find out more about them here.

Read more: TRVs

Cylinders and Tanks

Some central heating systems have cylinders and tanks, and some don't. Read more head about the advantages and disadvantages to discover which system will be the best for you to go for.

Read more: Cylinder and Tanks

Heating Controls (Time Clocks)

A crucial part of a heating system are the controls. These range from simple on/off switches to clever scheduling and internet controlled controls. As standard we supply a basic thermostatic controller with every installation, but we also offer the option to upgrade to better and more powerful branded controllers at a great price. *Look out for our deals offering upgraded controllers for no extra cost*

Read more: Controls

If you need a full central heating system please get in touch with us to discuss your needs.

For further information on our new boiler installation and boiler replacement services across , please give us a call or send us a message