The Home Heating Appliance Register of Performance (HARP) database is a product efficiency database for home heating appliances used in Ireland.

Consult the HARP database

Use our searchable HARP database to find product efficiency information.

Building Regulations 2011 Boiler Efficiency Requirement
Under the revised Building Regulations Part L (S.I. No. 259 of 2011):
After the 1st day of December 2011, gas fired and oil boilers in new dwellings must meet a minimum seasonal efficiency of 90% and where gas fired and oil boilers are being installed as replacements in existing dwellings, those boilers must meet a minimum seasonal efficiency of 90% where practicable.

Search the HARP database

Submitting products to HARP

Manufacturers of heating appliances who wish to have their products included on the HARP database should download the submission pack below. If you are an agent or vendor, please work with your manufacturer to complete the application. Completed application forms should be carefully checked and then submitted through

All data submitted to the HARP database which is not published is treated as confidential.

Submission packs for each HARP category

Upcoming Changes to Heat Pump Products in HARP

An updated Heat Pump submission pack is currently being prepared to include the performance data required in line with Ecodesign. Details on these changes will be communicated in due course.

Contact us

Call 01 8082125

HARP Administrator
Kiwa Gastec, Kiwa House
Malvern View Business Park
Stella Way
Bishops Cleeve
GL52 7DQ, UK