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".

If the envelope is demolished and then rebuilt with the same shape does Table G3.1 part 5., baseline, point f apply?

hello Marcus, i am currently designing a navy lodge and it is 66,420 sq ft.its a Four floor building with 12 guestrooms on each floor about 900 sq.

In an airport LEED project, only the terminal building is going to be certified. In this case how the LEED Boundary should be defined?

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?