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.
How to save electricity on lighting. Lighting is one of the easiest areas to save in. You can start saving a whopping 70-90% right away by simply screwing in new LED or CFL lights. And if you're concerned about mercury from CFL bulbs breaking, you can either use a CFL that has a plastic cover, or use an LED bulb instead.