Choose light for your home: economical and environmentally friendly. Rising energy costs and climate change on a global basis make it increasingly important to save energy and minimize our carbon footprint. If you choose more energy-efficient light bulbs you can reduce your power consumption, energy costs and CO2 emissions considerably. Use OSRAM Light-a-Home and find out how much you can save in your home. Simply compare the light bulbs you are currently using with our OSRAM energy savers.