We have a project with a terrace that is about 50% of the building roof.

Hi, We are currently working on an existing building under major renovation, pursing a LEED certification following NC protocol v.2009.

We are deciding between the use of EN 15251 and the use of ASHRAE 62.1. Do you have experience in applying EN 13779–2007?

A building is composed by three towers that have the basement, the ground floor, and the first floor in common. The system for the baseline model shall be System 8.

Hi, I´m managed a Healthcare buildings. The reviewer advice me that workstation and share multi-occupant spaces must be reported consistently among IEQc6.1 and IEQc6.2 credits.

I'm considering a "Multi-purpose indoor unit for use in 4-pipe systems for the simultaneous production of chilled and hot water by means of two independent water circuits".

Hello, We are pursuing LEED EBOM v2009 for an office complex. The project was built at the same time and has two twin buildings, with independent HVAC systems.

What are the mandatory provisions for fan coils whose coils are heated through electrical resistances? I think par. 6.4.3.3.1 for the control. Something else?

I'm working on a green cleaning policy for a hospitality project.

According to ASHRAE 90.1 (2007) Table G3.1 - 10 c, "where no heating systems exist, HVAC system shall be assumed to be electric".