The corridors are separated from the staircase by two doors in order to create a space (buffer space) whose walls and doors are fire-resistant. That space is ventilated through a ventilation duct...

Hi,

we're modeling a building that will have ventilation ensured by openable windows in each space (compliant with ASHRAE 62.1 requirements). All spaces are endowed with cooling...

We are going to demonstrate the compliance with the prerequisite using OPTION 2. CEN STANDARDS EN 15251–2007 AND EN 13779–2007. According to those standards, no mechanical ventilation is needed...

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,

I am working in a project where warehouse area is ventilated with roof exhaust fans. The fans are constant volume and it operates continuously. So, is it enough to install a...

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 value...

According to ASHRAE 62.1 - 2010 User's Manual, example 6-AF, the requirement associated with controls that guarantee that the openeings remain open during occupancy can be met with an...

My Project has one FAHU on roof which is supply treated Fresh air to all...

Referring to the FAQs fan-assisted ventilation in naturally ventilated spaces can be considered as mechanical ventilation. Can ceiling fans qualify as mechanical ventilation or it has to be a...