Error
  • You are not authorised to view this resource.

    Gas Safe - Corgi logos

Friday, May 24, 2019
Text Size

Boiler Efficiency Banding

BAND SEDBUK Range
A Above 90%
B 86% - 90%
C 82% - 86%
D 78% - 82%
E 74% - 78%
F 70% - 74%
G Below 70%

Efficiency