Display Energy Calculations

DEC’s Display Energy Certificates

Operational Ratings Assessor (Production of Display Energy Certificates)

By 1st October 2008, all public buildings will require a display energy certificate (DEC) which shows its operation rating (OR) and an associated Advisory Report (AR). DECs are valid for one year and the advisory report is valid for up to 7 years. DECs may only be produced by an accredited Operational Ratings Assessor (ORA). In order to become accredited, assessors must meet the relevant national occupational standard (NOS) in full, which includes full knowledge of operational rating methodology and the ability to use the approved Operational Rating.

Public authorities, and institutions providing public services to a large number of persons, who occupy space in a building with a total useful floor area greater than 1000m2, must display a valid display energy certificate (“DEC”) at all times and have a valid advisory report in their possession. 

Monument Info Search L.L.P. are qualified to produce and issue Display Energy Certificates and can also carry out follow on assignments based on the Advisory Report.

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