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Forum discussion

NC-2009 EAp2:Minimum Energy Performance

Infiltration rates in LEED Energy Modeling

Arub Vijay

Director

ENERGYZEAL Smart Architecture & Sustainability Consulting

LEEDuser Basic Member

31 thumbs up

November 29, 2011

I am currently doing energy modeling for a LEED Hotel project in Oman. Should I consider the ASHRAE recommended Infiltration rates in all spaces? Is there any LEED Guidelines for Infiltration rates for positively pressurised and neutral pressurised buildings? Thanks..

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Marcus Sheffer

LEED Fellow

7group / Energy Opportunities

LEEDuser Expert

4454 thumbs up

Tue, 11/29/2011 - 14:32

As it now stands for LEED the infiltration rate should be identical in the baseline and proposed models. ASHRAE 189.1-2009 established an infiltration value in Normative Appendix B. So I would use this for the baseline. If your building will be tighter then perform an exceptional calculation based on test results for the proposed.

MARCIO OROFINO

ENE Consultores

ENE CONSULTORES

LEEDuser Basic Member

11 thumbs up

Wed, 04/22/2015 - 13:39

Mr Arub Vijay, Consider using this reference: Numerical data for air infiltration and natural ventilation calculations. Air Infltration and Ventilation Centre, 1994. Best.

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