We are going to demonstrate the compliance with the prerequisite using OPTION 2. CEN STANDARDS EN 15251–2007 AND EN 13779–2007.

I've found another buggy in this calculator. In worksheet 'SZU', the column 'L' doesn't make the calculation to find 'Voz', always is empty. Did another user find this error?

Hi All,

We are dealing with an educational building and we are considering ASHRAE 62.1-2010. Inside there is an infirmary.

Which occupancy category shall I consider for that space?

Hi, I would like to know if minisplit (non-ducted) units have to comply with Standard 62.1-2010, Section  5.8, "...p0articulate filters or air cleaners with a minimum efficiency reporting valu

In one of our projects, the client is willing to have open spaces with high flexibility. In these open spaces, “boxes in the box” for copy rooms will be created.

I am not quite sure on the wording regarding natural ventilation and the Europe ACP. The online Ref.Guide states "Projects in Europe may use Arbeitsstaettenrichtlinie ASR 5 as a local equivalent to

Art classrooms are considered both in Tab. 6-1 and in Tab. 6-4. If we respect Tab. 6-4, could we avoid the verification of Tab. 6-1 (i.e. could we avoid the outdoor air supply)?

Question about meeting this prereq in Residential Projects - v4 requires one of three types of monitoring for naturally ventilated projects - exhaust airflow, alarm on openings, or CO2 with alarm.

We provide Leed certificate and green building service but how are we developing this process in Turkey?