NEAP Software and Methodology
The Non-Domestic Energy Assessment Procedure (NEAP) is Ireland's official methodology for calculating a Building Energy Rating (BER) for non-domestic buildings.
BER assessors use the NEAP software tool and guidance manuals to publish non-domestic Building Energy Rating (BER) certificates and advisory reports and to demonstrate compliance with Part L of the building regulations. The NEAP software calculates the energy consumption and carbon dioxide emissions of a building. It considers space heating and cooling, water heating, ventilation and lighting information.
You can use the Simplified Building Energy Model (SBEMie) or other approved software to publish non-domestic BERs and demonstrate compliance with Part L.
SBEMie (default calculation tool)
BRE has developed SBEM for the UK's Ministry of Housing, Communities, and Local Government (MHCLG). MHCLG has enabled the adaptation of SBEM for official use in Ireland within the framework of NEAP.
Find out more about SEAI, iSBEMie v5.5.h, SBEMIE v5.5.h.2
Other approved software
- IES Ltd. Virtual Environment v7.0.13, SBEMIE v5.5.h.2
- G-ISBEM Ltd, G-ISBEM, v23.0, SBEMIE v5.5.h.2
- DesignBuilder Software Ltd, DesignBuilder SBEM, v6.1.8, SBEMie, v5.5.h.2
Access SBEMie software
Access and find out more about SBEMie Software (version 5.5h)
For 64-bit Windows only (for running large projects) access iSBEMie x64 (version 5.5h).
To complete installation of iSBEMie (version 5.5h) you should also install software patch 01 and patch 02.
Software Patch 01
Install Patch 01 to make sure multiple renewables of the same type are considered when calculating the RER.
- Download Patch 01 for iSBEMie_v5.5.h: iSBEMie_v5.5.h_patch01.exe
- Download Patch 01 for iSBEMie_v5.5.h_x64 (for use on 64-bit Windows only): iSBEMie_v5.5.h_x64_patch01.exe
Software Patch 02
Install Patch 02 for Part L compliance checks for the SEER cooling (rather than EER). It fixes the instability problems in the overheating assessment for certain platforms.
Note: Install the patch at the same location on your computer where you installed iSBEMie_v5.5.h and Patch01 so that the correct files can be replaced.
- Download Patch 02 for iSBEMie_v5.5.h: iSBEMie_v5.5.h_patch02.exe
- Download Patch 02 for iSBEMie_v5.5.h_x64 (for use on 64-bit Windows only): iSBEMie_v5.5.h_x64_patch02.exe
SBEM software MS Runtime error 3048
If you receive a runtime error 3048 message when trying to import a .nct file or start a new assessment. Find out how to resolve runtime error 3048 messages.
Converting from previous versions of SBEMie
Download our Introduction to SBEMie for key items to consider when converting from previous versions of the software.
iSBEMie User Guide
View the iSBEMie User Guide (version 5.5h) last updated December 2019iSBEMie User Guide (version 5.5h)
Third-party software validation
SEAI must approve all NEAP software packages. They can be classified as either:
- Dynamic Simulation Modelling (DSM)
- Interface for SBEMie
Contact the BER Helpdesk for information on the validation process for third-party commercial SBEM interface (SBEM-i) software packages and the latest vendor information package.
Call: 01 808 2054
NEAP methodology documents
This section contains the core NEAP methodology documents.
NEAP BER Publication and Survey Guide
This document contains the NEAP survey and BER publication methodology for non-domestic buildings. The iSBEMie User Guide details the assessment methodology for non-domestic buildings and must be used with this document.
SBEMie Technical Manual
This document contains a detailed description of the SBEMie calculation engine, including calculation methods and formulae. It's useful if you need detailed information on the SBEM calculations.
This survey form can be used to help you record information during a site survey. It's useful if you want to make sure items aren't left out in error.
NEAP Technical Bulletins
If you still have questions, we recommend you review the technical bulletins before contacting us.
These three databases can help you with the selection of building and zonal activity types. They also give useful information on items such as hot water usage and lighting levels, which can help with Part L compliance.
Elements adjacent to unheated spaces
Together, this guidance and calculation tool enables you to calculate an area-weighted adjusted U-value for elements adjacent to unheated spaces for use in SBEM.
You'll find a wide range of technical support for non-domestic BER Assessors in this section. We recommend that you check this section before contacting the BER Helpdesk.Technical support for BER assessors