# The Home Energy Efficiency Scheme (Scotland) Regulations 2006, Regulation 10: Interpretation


In this Part of these Regulations–
“central heating system” means a system which provides warmth to 2 or more rooms in a dwelling through a series of connected radiators or ducts linked to a central boiler or from a series of electric storage heaters and controlled from one central point;
“electric storage heater” means–
(a) a free-standing storage heater;
(b) an electric fan-assisted storage warm air system;
(c) an electric wired underfloor heating system, set in solid floors; or
(d) an electric ceiling heating system;
“inefficient central heating system” means–
(a) a central heating system that is unable to deliver a satisfactory heating regime;
(b) a central heating system that consists of or includes–
(i) a solid fuel boiler with a seasonal efficiency of less than 55%;
(ii) a natural gas boiler with a seasonal efficiency of 55% or less;
(iii) an oil-fired boiler with a seasonal efficiency of less than 65%; or
(iv) a gravity or semi-gravity solid fuel heating system which was manufactured at least 20 years before the date of application; or
(c) a central heating system that consists of or includes electric storage heaters which were manufactured at least 20 years before the date of application;
“partial central heating system” means a system that does not provide warmth to one or more of the following rooms–
(a) the main living room;
(b) the main and any second bedroom;
(c) the main bathroom; and
(d) the main hallway;
“satisfactory heating regime” means a temperature of 23°C in a living room and 18°C in all other rooms sustained for at least 16 hours in every period of 24 hours;
“seasonal efficiency” means the efficiency of a boiler as determined using the 2005 edition of the Government's Standard Assessment Procedure for Energy Rating of Dwellings; and
“self-contained dwelling” includes any part of a building which is occupied as a separate dwelling.

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Source: https://www.legislation.gov.uk/ssi/2006/570/regulation/10 (the official version)
Page: https://openlegislation.uk/home-energy-efficiency-scheme-scotland-regulations-2006/regulation-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.