I have difficulty filling out the Minimum IAQ Performance Calculator table for multiple zones.

This project is in California, and ventilation rates comply with Title 24.

I am using an old 62MZ calculator file to do comply with the IEQp1 prerequisite.  However, after adjusting the ventilation rates for peak heating mode, Ev cannot be calculated on the spreadshe

We are working in a project pursuing LEED-CI certification, and some of the base building AHU's were short on supplying air in order to meet the demand of lay-out spaces, so the interior HVAC desig

Clause 5..9 in ASHRAE 62.1 requires MERV 6 filters on all cooling coils or other surfaces. This will very much affect the energy efficiency of the systems.

I feel like I've seen parts and pieces of this question in various posts but never asking it directly.

We have a project which the outdoor air supply is limited from the base building HVAC system (out of our boundary) and we are not sure if the project will be able to meet the ASHRAE 62.1 requiremen

Hello everybody We are working on a CI 2009 Office project with dedicated Fan Coil Units for each space. The FCU are located above the ceiling (inside the plenum).

Hi all, we received comments from reviewer that requesting the system computation should be separated for each system. Our development consists of few meeting rooms and open plan offices.