Boiler and central heating performance contributes to the overall energy performance of your property and is included in any Energy Performance Report.
Boiler performance is measured as a percentage although the European Grading method (A-G according to energy usage performance) is also often included for consistency.
All boilers installed via the free boilers scheme are A rated high-efficiency condensing boilers. This type of boiler is widely accepted to be the most energy efficient, which means huge annual savings but also reduces harmful Carbon emissions. BOILER EFFICIENCY