When there is no assembly space or large public zone it is hard to justify the use of CO2 monitoring in multi-family residential buildings. It has been suggested that CO monitoring is a reasonable alternative to get at the intent of this Credit. Can this credit, instead, be gained by the following requirement: - Permanent (hardwired) CO monitoring in dwelling units having combustion appliances, OR - No combustion appliances in the dwelling units.
The LEED Rating System v 2.0 June 2001 is intended for use by commerical, institutional and hi-rise residential buildings, and addresses the pollutant loads that the LEED Committee identified as significant for these building types. CO monitoring addresses a different hazard and is not acceptable as an alternative performance criteria. If a residential project wishes to incorporate CO monitoring, using detection devices that meet UL Standard 2034 requirements and UL guidelines for placement, it could be recognized through the Innovation in Design credit. Modifications to performance criteria in order to accommodate vertical market differences, or occupancy variations within a vertical market, are handled outside the Credit Inquiry Request process. This process is under development by the LEED Steering Committee.