Advice & guides
Straight-talking heating advice from our own engineers — no jargon, no sales spin. From the truth about hydrogen boilers to how heat pumps work and simple ways to cut your bills.
Our latest guides
Do you need planning permission for a heat pump?
Usually not — most installs are permitted development. The 2025 rules, the exceptions, and what happens if you want a heat pump and air conditioning.
Read the guide →How are heat pumps over 100% efficient?
The simple physics behind why a heat pump delivers far more heat than the electricity it uses — and how it still works below freezing.
Read the guide →The great hydrogen boiler conspiracy
Will your next boiler run on hydrogen, or will you switch to a heat pump? An honest look at the hydrogen-versus-electrification debate.
Read the guide →How to save on your energy bill
Eleven practical, mostly-free things you can do at home to cut what you spend on heating and hot water.
Read the guide →Got a heating question?
We're always happy to give honest, no-obligation advice. Call us or book a free survey and quote.