Notional Auxiliary Energy requirements increase when using HEPA filtershttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/35806/notional-auxiliary-energy-requirements-increase-when-using-hepa-filtersen-USTelligent Community 12Notional Auxiliary Energy requirements increase when using HEPA filtershttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/35806/notional-auxiliary-energy-requirements-increase-when-using-hepa-filtersMon, 24 Aug 2020 09:13:47 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:605e8e4d-6c2b-49b9-a557-e93139e20a14Shane Reganhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/35806/notional-auxiliary-energy-requirements-increase-when-using-hepa-filters#commentsCurrent Revision posted to Hevacomp Wiki by Shane Regan on 8/24/2020 9:13:47 AM<br /> <table style="background-color:#dce5f0;border:0px solid #dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;" width="30%"><strong>Product(s):</strong></td> <td>Mechanical Designer - PartL</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>V8i (Part L 2013)</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:</strong></td> <td>N/A</td> <td></td> </tr> </tbody> </table> <h1>Problem</h1> <p style="text-align:justify;">When defining HEPA filters as part of the ventilation system, the Notional Building Auxiliary Energy requirements increase substantially.</p> <h1>Solution</h1> <p>Page 20 of the&nbsp;<a title="Click here for the modelling guide" href="http://www.uk-ncm.org.uk/filelibrary/NCM_Modelling_Guide_2013_Edition_20November2015.pdf" rel="noopener noreferrer" target="_blank">NCM Modelling Guide </a>gives this advice:</p> <p><a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-00-18/HEPA-increase.jpg"><img style="display:block;margin-left:auto;margin-right:auto;" src="/resized-image/__size/960x0/__key/communityserver-wikis-components-files/00-00-00-00-18/HEPA-increase.jpg" alt=" " /></a><a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-00-18/NewLogo.png"><img style="border-width:0px;" alt=" " height="60" src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" width="189" /></a></p><div style="clear:both;"></div> Notional Auxiliary Energy requirements increase when using HEPA filtershttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/35806/notional-auxiliary-energy-requirements-increase-when-using-hepa-filters/revision/1Wed, 12 Jul 2017 10:50:43 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:605e8e4d-6c2b-49b9-a557-e93139e20a14Duncan Brownhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/35806/notional-auxiliary-energy-requirements-increase-when-using-hepa-filters#commentsRevision 1 posted to Hevacomp Wiki by Duncan Brown on 7/12/2017 10:50:43 AM<br /> <table style="background-color:#dce5f0;border:0px solid #dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;" width="30%"><strong>Product(s):</strong></td> <td>Mechanical Designer - PartL</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>V8i (Part L 2013)</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:</strong></td> <td>N/A</td> <td></td> </tr> </tbody> </table> <h1>Problem</h1> <p style="text-align:justify;">When defining HEPA filters as part of the ventilation system, the Notional Building Auxiliary Energy requirements increase substantially.</p> <h1>Solution</h1> <p>Page 20 of the&nbsp;<a title="Click here for the modelling guide" href="http://www.uk-ncm.org.uk/filelibrary/NCM_Modelling_Guide_2013_Edition_20November2015.pdf" rel="noopener noreferrer" target="_blank">NCM Modelling Guide </a>gives this advice:</p> <p><a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-00-18/HEPA-increase.jpg"><img style="display:block;margin-left:auto;margin-right:auto;" src="/resized-image/__size/960x0/__key/communityserver-wikis-components-files/00-00-00-00-18/HEPA-increase.jpg" alt=" " /></a><a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-00-18/NewLogo.png"><img style="border-width:0px;" alt=" " height="60" src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" width="189" /></a></p><div style="clear:both;"></div>