Lighting Control in Indoor Environmental Quality Credit, Interior Lighting?

What percentage of individual occupant spaces must have individual lighting controls in projects

seeking Option 1.

Lighting Control in Indoor Environmental Quality Credit, Interior Lighting?
A . 40%
B . 50%
C . 60%
D . 70%

Answer: D

Explanation:

For projects seeking to comply with Option 1, Lighting Control of the Indoor Environmental Quality Credit for Interior Lighting, LEED guidelines specify that at least 70% of individual occupant spaces must have individual lighting controls. These controls allow occupants to adjust lighting to suit their task needs and pReference, contributing to energy savings and increased occupant comfort and productivity.

Reference: This requirement is outlined in the LEED for Building Operations and Maintenance (O+M) Reference Guide, under the Indoor Environmental Quality Credit for Interior Lighting. It is a well-known requirement discussed in LEED AP O+M training and resources, promoting energy efficiency and occupant comfort in the interior environment.