ASHRAE 62.1 requires outdoor air to be provided to corridors - stairs seems to be a grey area ?. If you are using Option 2. CEN Standards EN 15251–2007 and EN 13779–2007 do you require outdoor...

We are working on a residential building where split AC units are provided in every room for each unit with no mechanical ventilation. The ventilation strategy is relying on natural ventilation...

For naturally ventilated spaces in one of my projects it seems that CO2 monitors are the only option applicable. I've got...

Hello,

I'm the...

Hi, I'm assessing a building in the UK. I note a paragraph under the credit for 'Minimum Indoor Air Quality Performance' for using other, more stringent local codes in relation to ventilation. I...

For CAV, a current transducer on the supply fan, an airflow switch, or similar monitoring device must be installed.

If a BAS can monitor airflow fan modes (strong/weak etc.), is that...

Dear Leed user team,

This question concerns the exhaust rate for toilets of an new office building.

It's an office building of 35 000 square feet, registered in Leed v4...