Lighting Dr. Vivian G. Baglien
Natural Light • First light source to consider. • Sunlight that enters the house through windows, doors, skylights, etc. • North or East—Cool, bluish cast • South or West—Warm, orange tones
Incandescent Light • Light bulb most people use. • Burns about 700-1000 hours. • Incandescent lamp or incandescent light globe makes light by heating a metal filament wire to a high temperature until it glows ...
Fluorescent Lighting • Lasts up to ten times longer than an incandescent bulb. • Use less electricity and produce no damaging heat. • Not as homey and comfortable.
Can save more than $40 in electricity costs over its lifetime Uses about 75% less energy than standard incandescent bulbs and lasts up to 10 times longer Produces about 75% less heat, so it's safer to operate and can cut energy costs associated with home cooling Compact Fluorescent Light
Halogen Lighting • Lamp is kept brighter than incandescent bulbs. • Light is more similar to that of sunlight. • Bulbs burn whiter than incandescent bulbs. • Electricity heats this filament up to about 4,500 degrees F (2,500 degrees Celsius). Just like any hot metal, the tungsten gets "white hot" at that heat and emits a great deal of visible light in a process called incandescence
Types of Lighting • General • Overall lighting. • Task • Lighting a small space to perform a specific task; reading, cooking, eating. • Accent/Decorative • Used to draw attention to specific areas or objects.
Lighting Fixtures—Can and Track Track: Track lighting is very flexible for many applications and interior styles and is a cost-efficient option Can: Recessed or "Can" Lighting affords a clean, streamlined look for your lighting by hiding all of the wiring and "guts" of the light in a recessed housing
Lighting for Safety & Security • Can you: • light your way as you go room to room? • switch lights on or off from each doorway? • turn on lights going and down steps? • light entrances as they are entered? • control garage, carport or parking lighting from the house? • control outside lighting from inside house or remotely?
References Winkler, S. (2003). Adapted and edited from Utah FCS http://www.uen.org/Lessonplan/preview.cgiLPid=5078 by Dr. Vivian G. Baglien, March 17, 2011.