Combi Boiler Efficiency Standards
Combi Boiler efficiency is recorded in the SEDBUK database and maintained by the UK Government.
The primary purpose of the Combi Boiler Efficiency Database is to support the UK Government’s Standard Assessment Procedure (SAP) for energy rating of dwellings by providing reliable data on the efficiency and other relevant characteristics of gas and oil boilers. This helps its drive to reduce carbon production.
An important secondary purpose is to supply accurate efficiency information to combi boiler specifiers and buyers. These two different needs will be met by publishing two separate sets of data, both derived from the definitive database, on Internet web sites.
Validity and accuracy of the combi boiler data within the database is paramount, as major purchasing decisions may be influenced by it. The general public uses the data in purchase decisions for domestic boilers. Careful scrutiny of the data and the certification submitted by manufacturers, and calculation of Seasonal Efficiency values from it, are essential.
Manufacturers must note that once data relating to a particular combi boiler has been published, any modifications to that product which may affect its seasonal efficiency rating must be submitted in the form of a clearly identifiable “new” entry complete with a modified model identity. This is to maintain accurate combi boiler data for publication.
Combi boiler product names in the database must be unique, and it is not possible to have two entries with the same conjunction of manufacturer name, model name and combi boiler model qualifier. This is to enable a SAP assessor to differentiate between the modified and un-modified products in the marketplace.