Where can I find the Option B Calculator that is used to calculate compliance with 10 CFM per person for AHU's unable to meet ASHRAE 62.1-2007?

Hi, We have a school expansion project to introduce a new middle school on a site which already has an existing primary and secondary school present.

Dear all, My project is two underground basement parking floors, that are built on the total land area, while the above-grade floors are built on 30% of the total land area. Should I

Hi, Is it allowed to use treated graywater from lavatories and sinks for urinals and toilettes in Healthcare facilities?, Thank you

We have a dormitory project with about 80% individual rooms and 20% double rooms. Each room is provided with a Thermostat and an operable window with over 4% operable window to floor area ratio.

Hi all, Our project is an outdoor amphitheater and we are looking to achieve some sort of credit under the SSc4 category.

Can you please update the FAQ section of LEED-NC v2009, IEQc4.2. The information on primers is out of date per interpretation/addenda #100001805.

A refrigerator labeled 'California Energy Commission Certificated' is valid as an alternative for an Energy Star qualified equipment?

Hi all. I'm student working on a thesis about lca, epd and leed. The product under assessment is a unitized façade system. A façade-related EPD will be issued, once the building is complete.

Hello, We are trying to determine which rating system to use, NC or C&S, for a mixed use project.