I have a project that is an exisiting building renovation with an addition. I understand my energy model will be based on a combination of the new & existing. But what about the mandatory ASHRAE requirements (for lighting, HVAC, envelope, etc), will the existing building have to be updated in all these areas to meet the mandatory ASHRAE requirements in order to comply with the prerequisite?
Thanks in advance
Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5909 thumbs up
September 17, 2012 - 10:38 am
No the whole building does not have to meet the requirements, only the addition and any systems which are replaced or modified in the existing.