I read through previous posts and have not seen an answer to this question so forgive me if I missed it. The ASHRAE calculator does not seem to apply to 100% outdoor air systems.

We are working on a residential building that has common areas which are conditioned with split system heat pumps and heat recovery ventilators for fresh air.

Hello, Please let me know where I can find definitions for the following. a. Mechanically ventilated spaces b. Naturally ventilated c. Mechanically conditioned e.

Hi everyone! I have a project that the system works with outside air demand according to the CO2 sensor.

Hi everyone, We have a residential project which has around 600 rooms naturally ventilated. I've prepared an excel sheet to demonstrate compliance with natural ventilation requirements.

we have a new addition added to an existing facility.

I have project with a dedicated outside air system that introduces air directly to the spaces on all levels (i.e. neutral air). The project has more than 100 VRF units.

We have a mechanical ventilation system that continuously supplies OA air into each apartment. Each apartment has a fan coil unit that conditions the apartment.

We have a project that is predominantly a parking garage structure.

We are pursuing for Fresh Air calculations for a Building with Natural Ventilation, as per the ASHRAE 62.1-2007 requirement, stated under the IEQ Prerequisite 1 – Minimum Indoor Air Quality Perform