Many rooms with south facing windows have more than adequate light during the day on most days, provided free by the sun. In such rooms an inexpensive, fast payback treatment is the installation of Daylight Sensors that keep lights off when ambient light is sufficient and automatically turn the lights on during working hours if natural daylight light levels fall below a specified threshold.
Many rooms with south facing windows have more than adequate light during the day on most days, provided free by the sun. |