when I have an addition project do I have to demonstrate compliance for the new addition and renovated areas or does it have to be applied to all areas? (existing to remain, renovated and new)

My firm has had success not including CO2 sensors in units of mid-rise residential project under LEED v3 NC.

Hi, I have an issue with regard to CO2-metering in practice.

Until now, I have only seen monitoring systems connected to a BMS that generates an alert to the Facility Manager.

Hello, As per the CIR # 2142 (http://www.usgbc.org/leed-interpretations?keys=2142), it seems that USGBC allowed CO2 sensors in return air duct, but as the CIR concerned also others topics (i.e.

Hi, We are currently working on an office building, we want to achieve IEQ cr1, by installing C02 monitors in all spaces.

We are working to certify a NC. The tenants will not allow us to install a alarm in the presence of the customer.

Besides CO2 sensors, what kind of outdoor airflow measurement device we need to provide in the design? Are there any particular rules to quantify how many devices and where to put them?

We are currently doing a university building shared by two schools. Thus some of the areas of the bldg are to be develope in the future.

In the service bay area (Non-densely occupied space garage) we have a Vehicle Exhaust Removal system AIRVAC911 to maintain air quality and radiant slab heating to condition the space during the win