We are working on a CS muti-unit residential project. There will be infrastructure for residents to use splits in their units.

We have a CS with five floors of tennant spaces (mechanical vent) and five appartment on the top floor that have operable windows for vent. Can we have each one of the appartments as zones?

The Ds is determined by dividing the minimum VAV terminal primary air volume during heating mode by the peak VAV terminal primary air volume during cooling mode. What is a reasonable range of Ds?

Dear all, This covers more than just ventilation but as this is the most important I put all facts and questions down here. An existing building from the 1970s is undergoing construction works.

We are working in a shopping mall where each retail store is exposed to the outdoors.

HI, The client requesting to have DX air conditioning system for each space in the building. My questions: 1. Could I use the sliding door as operable wall/window to supply the fresh air? 2.

Hi All, We would like to get your opinion in the situation below if approach is acceptable to IEQp1: We have an enclosed Driver’s lounge, Lift lobbies and Administration office at the Basement fl

Hello, To calculate computational fluid dynamic, it is possible to develop software Autodesk Ecotech? We appreciate the help.

Hi, I am working on C & S project wherein 4 AHU's are serving an entire office area per floor.

Hi all, I'm working on a cold dark shell project where the owner is NOT building out any HVAC systems (only plumbing); the tenant will install everything.