Useful explanations for the systems that look after your home. Search, or browse by what’s happening, your brand or a funding scheme.
Question pages · advice
14 guides · all topics
Hum, whoosh, click or rattle? Start with what you can hear.
The official meaning, a plain-English explanation and your next step.
What the controller detected, safe checks and when to call an engineer.
Follow warmth from the outside air into your home.
Why a heat pump ices up on cold mornings and what normal looks like.
Controls, schedules and the cylinder — without removing any covers.
Understand what belongs in your home assessment.
Find official grant information for your part of the UK.
Grants and loans north of the border, from the official advice service.
Questions to ask before you borrow, with links to MoneyHelper.
Flow temperatures, schedules and the settings that cost you.
Controls, service intervals and where to find your model number.
Where the money goes in a £14,000 installation — and why the gap between the heat pump’s price and the quote isn’t profit.
Why “28 mm throughout” isn’t a rule, how to check each section of pipe, and a pipe sizing quick reference.
Every guide cites its source.