The London Boiler Guide
Understanding Your Heating System
Choosing a new boiler, keeping it running smoothly and knowing what to do when something goes wrong can all feel a bit overwhelming. This guide brings together everything on our site about boilers, so you can find what you need quickly.
We only fit Vaillant boilers, and our engineers service and look after them across London.
Table of Contents
Choosing your Boiler
The right boiler depends on the size of your home, how much hot water you use and where the boiler needs to go. We’ll help you choose the right Vaillant model and explain the options clearly before any work starts.
Boiler Protection
A well-protected boiler lasts longer and runs more efficiently. Annual servicing, a magnetic filter and clean system water all help to keep your heating in good shape and your warranty in place.
Your Boiler Problems
If your boiler stops working or starts acting up, our help and support page has simple checks you can try first. If that doesn’t sort it, our engineers can help with repairs.
Heating Controls
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Heat Pumps & Renewable Energy
Thinking of moving away from gas? A heat pump could be the next step. Our Heat Geek accredited engineers can tell you whether your home is suitable and design a system around it.
Warm & Cool London's Knowledge Vault
Everything you should know about your Vaillant Boiler system
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Everything you should know about your Vaillant Heat Pump
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Everything you should know about your Air Conditioning system
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