Response to a ruling issued 1.21.04- 1. The committees rejection was based on the wrong technology. There is some confusion in the field as sometimes non-interchangeable terms are used interchangeably. The committees comments concerning efficiency loss and maintenance are right in re electrostatic precipitators (ESPs): the ionizing plate-type units often called electronic air cleaners. However, this is not the technology employed in Dynamic Air Cleaners. Generically, they are non-ionizing polarized media air cleaners. This category has been in use for decades, although until recently, in primarily industrial applications. From
The LEED-NC Committee has reviewed this final appeal and, after following all appeal procedures, responds with the following ruling. There is no further recourse in this appeals process. LEED credits commonly defer to authoritative industry standards, especially for technical issues and processes that are extremely complex, such as this one. The petitioner argues that the referenced standard in this case, ASHRAE Standard 52.2, is not applicable to the