Most-efficient-energy-saving-light-bulbs, light emitting diode (led) and compact fluorescent lights (cfl) bulbs have revolutionized energy-efficient lighting. cfls are simply miniature versions of full-sized fluorescents. they screw into standard lamp sockets, and give off light that looks similar to the common incandescent bulbs— not like the fluorescent lighting we associate with factories and schools.. A dark lamp shade can absorb some of the light a bulb emits which can reduce the efficiency of your lighting. you can save energy and money by using transparent shades or fittings that you regularly clean. light fittings with a reflective inside can increase efficiency if concentrated, directional light is required. spotlight fittings often ..., conclusion – best energy efficient light bulbs one of the best ways of saving energy is by using energy efficient light bulbs in your home, office,and workplace. however, with plenty of these products now flooding the market, it is becoming increasingly difficult to pick the right product.