For Case 1, Type 2, where at least 20% of the system serves non-densely occupied zones, we have a situation where (1) dedicated outside air system (DOAS) serves several smaller heat pump (HP) zones

I found a thread from 2011 discussing the Addendas released 5/9/11 removing the footnote that was previously changed under Addenda reliease 9/19/10.

I am stuck on this LEED BD+C question. The future building tenant decides to increase the outdoor air ventilation rates by 30% compared to the ASHRAE 62.1-2007 standard in a mechanically ventilate

Hi, We have a project where in IEQ C1 was attempted when almost the construction was already completed.

In a mixed use building, the residential dwelling units are being provided outdoor air via PTAC systems (apartment size determines the number of PTAC units).

Hi, following situation: We have a ventilation system which serves only densely occupied spaces except one small office room for one person which is occupied perhaps 1-2 hours a day (so I would ca

If the project is a core & shell design and the distribution of the area is not know (tenants space) yet, is it correct to specify only a CO2 sensor on the return duct of the AHU?

Does CO2 sensors that run by battery or powered by PC (USB port) count towards this credit for compliance? Please let me know.

Hello all, We want to achieve this credit for a manufacturing facility.