About Heat Ledger

Heat Ledger is run by Chris Buckingham, as an individual.

Chris built it so homeowners can see clear, checkable running-cost figures before they talk to an installer.

He has 25 years' experience in the gas and heating industry.

He holds the CIBSE Heat Networks Consultant certification, number 206208.

This is Chris's personal certification. CIBSE has not reviewed this site or its calculators, and the certification does not cover them.

You can check his entry on CIBSE Certification's online register.

Chris is a Member of the Institution of Gas Engineers and Managers (MIGEM).

Every calculator on this site names its sources and shows how each result was worked out.

Nothing on this site is a design, survey or quotation for your home.

To get in touch, email hello@heatledger.co.uk.