Skip to content
Heat Ledger

Guides

Guides to running a gas boiler or a heat pump, and to the Boiler Upgrade Scheme. Every figure in them comes from our calculators.

  • New boiler or heat pump: how to decide

    This guide shows how a gas boiler and a heat pump compare on running cost for a typical home under Ofgem's price cap, what decides the answer, and what the figures leave out. The figures come from our heat pump vs gas calculator.

  • What a gas boiler really costs to run

    This guide shows the most a typical home could be charged for gas in a year under Ofgem's price cap, how the standing charge works, and how much of the gas becomes heat. The figures come from our gas boiler running cost calculator.

  • The Boiler Upgrade Scheme explained

    This guide shows what the Boiler Upgrade Scheme is, who can get it, how it works and what it does not change. The scheme covers England and Wales.

  • What a heat pump really costs to run

    This guide shows the most a typical air source heat pump's electricity could cost in a year under Ofgem's price cap, and why the answer is a range. The figures come from our heat pump running cost calculator.

All calculators