4. Harmonised lifetimes of energy efficiency improvement measures in bottom-up calculations

Directive 2006/32/EC of the European Parliament and of the Council of 5 April 2006 on energy end-use efficiency and energy services and repealing Council Directive 93/76/EEC (Text with EEA relevance) · European Union

Some energy efficiency improvement measures last for decades while other measures last for a shorter period of time. The list below gives some examples of the average lifetime of energy efficiency improvement measures: Loft insulation of private dwellings 30 years Cavity wall insulation of private dwellings 40 years Glazing E to C rated (in m^(2)) 20 years Boilers B to A rated 15 years Heating controls — upgrade with boiler replacement 15 years CFLs — retail 16 years Source: Energy Efficiency Commitment 2005 — 2008, UK To ensure that all Member States apply the same lifetimes for similar measures, these lifetimes will be harmonised on a European level. The Commission, assisted by the Committee established under Article 16, shall therefore replace the above list with an agreed preliminary list of the average lifetime of different energy efficiency improvement measures not later than 17 November 2006.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-29 · Text as adopted (Official Journal); later amendments are not incorporated in this text.