Hello, we are working on a existing building retail project, which has 43720.42ft2 and 31.16ft height with CO2 concentrations between 500 and 600 ppm.

Dears, When we have a Naturally Ventilated Space, we can use an alarm to indicate that the openings are close. Someone know if I can use an light alarm? or I must use an sound alarm?

Hello. There's another doubt now about Footfall Vibration . It will be used a rubberized coating that reduces this effect and also has sound absorptive properties.

I am submitting for review a project outside the US, in Brazil. The legislation of Brazil is very similar to that specified by ASHRAE 62.1.

Hi all! I have a doubt about EPD, could someone help me? This credit explains that products with LCA (ISO 14044) or EPD (ISO 14025) that have at least cradle-to-gate scope are valued as 1/4.

Hello everyone, We are currently working on a C&S office building, that has also some retail space and a health club space in one floor.

I am not sure if I am in the correct subject, but I did not find any answer or forum subject regarding this particular matter.

Hi, I am developing a simulation (EAP2/LEED CS) for an existing building located in Rio de Janeiro.

Hi, A land owner wants to develop 2 buildings in a section of his terrain and wants to sell the rest of the parcels.

Hi All, I’m working in a LEED project that will be a building for the training of teachers, It is planned to have conferences, meetings and there will be ‘’laboratories’’ that is more a kind of r