Hello all: I am a newbie here so may this question was brought up. We have a building with a canteen for workers. 

The canteen uses AHUs to provide outdoor air, but the total cfm does not...

The pre-requisite criteria speaks of having Carbon monoxide monitors installed in each dwelling unit. 

However, it is not common for dwelling units in Malaysia/Singapore to have such...

• Requirement: Construct any dwelling unit on levels one through four above grade with radon-resistant construction techniques. Follow the techniques prescribed in EPA Building Radon Out;...

In case of a central...

I understand that the credit language requires the use of the Ventilation Rate Procedure(VRP) from ASHRAE 62.1-2010. I am working with a project team that is considering using an air scrubber...

Hi,

I have an issue about monitoring device for constant volume system. In the credit language, for constant volume system, it require install a current transducer on the supply fan,...

Our project have 1 PAU supply fresh air to many plenum of FCU (return air + fresh air), beside that we also have some meeting room which fresh air is supply through...

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...

We are having query related to prerequisite requirement of monitoring in LEED BD+C V4. 

We are planning to install 'Direct Evaporative cooling system' with HVLS (high volume low speed)...

The Project Team needs some clarifications about parking garage ventilation. We have three different questions, not linked to each other.

1. Is it possible to use natural ventilation...