That takes time and skill, so you can expect to pay a premium price for the effect. Normally, it is anywhere between $25 â $50 if you buy individual spray tans, in a package of 5 or10 it will be less.
LEDs are âdirectionalâ light sources, which means they emit light in a specific direction, unlike incandescent and compact fluorescent bulbs, which emit light and heat in all directions. For this reason, LED lighting is able to use light and energy more efficiently in many applications.
Lighting. 1  1. Embrace natural light. Open up your curtains and let the sun shine in! 2  2. Change your bulbs. Replacing regular incandescent light bulbs with compact fluorescent (CFL) or LED bulbs is a big energy saver. 3  3. Turn off the lights. This is the simplest, most common way to save electricity, and it really works.