Dear Tristan I am working on a retail mall which an adjoining carpark block.

Hi, we have a mechanically ventilated building.

Question: If the rooms are not occupyable rooms, are they subject to the minimum OA rates in the ASHRAE 62.1-2007 standard?

Some states and major metropolitan areas have their own local codes.

Hello, Does anyone know if the ventilation system/strategy of a LEED 2009 project can be designed according to ASHRAE 62.1-2010 instead of 62.1-2007? I haven't looked at the 2010, but I heard the

I'm a green design greenhorn and I'm wondering which tool is better/easier to use - the online VRP calculator or the ASHRAE 62MZCalc spreadsheet.

I'm working on a stand-alone "amenity/community center" adjacent to an apartment buliding, and it will feature a gas fireplace in a common room.

Hi, We have existing Library project with combined multiple zone and single zone.

Please guide on how to determine Ds - Percent design primary air flow for worst case condition?

I need help with determining proper case for the Air Distribution Configuration per table per Table 6-2. The forth entry required a velocity of 150 cfm to be reached within 4.5 ft of floor levels.