Fitting & maintenance - how to guides

Wondering if it’s time to replace your boiler? In this expert guide, we break down the most common signs your boiler is past its best – from rising energy bills and frequent breakdowns to strange noises and poor heat output. Learn when a repair will do, when replacement is the smarter move, and how upgrading to a modern A-rated boiler can save you money, energy, and stress.

Choosing the right boiler size is key to keeping your home warm and your energy bills under control. Our complete guide explains boiler kW ratings, provides a boiler sizing chart, and helps you work out what size boiler you need for your home.

Wondering how long a heat pump installation takes? Our expert guide explains the full timeline – from surveys and system checks to on-site fitting – for both air source and ground source heat pumps. Learn what to expect at every stage, how long each phase takes, and the factors that can speed up or delay your installation.

Regular heat pump maintenance is the key to efficiency, lower energy bills, and fewer breakdowns. Our guide covers simple DIY checks, servicing tips, and troubleshooting advice to keep your air source or ground source heat pump running smoothly year-round.

Ground source vs air source heat pumps – which is best for your home? Our guide compares installation, costs, efficiency, and long-term performance to help you decide which option best suits your property, budget, and heating needs.

Wondering what is making your radiator keep turning off out of seemingly nowhere? From sticky thermostatic radiator valves (TRVs) and low boiler flow temperatures to trapped air or hidden sludge, there are several common causes behind a radiator cutting out. This guide walks you through simple checks and fixes to get your heating running smoothly again.