Light placement and where it's pointed to matters, as well as color temperature and brightness.
Here are some tips if you want to make your home or business more dark sky friendly:When choosing outdoor lighting, consider its function. For lighting a porch or a pathway, angle lights downward onto those areas and shield them from pointing up into the sky“If you're lighting your driveway, make sure that the light is going down onto the driveway and not across the fence into your neighbor's yard,” Heinmiller said.
Stop thinking about watts: When buying a light bulb, pay attention to how much light it emits, which is“Start low, with the lowest lumens fixture or light bulb and then add more if you need. It will probably be enough,” Heinmiller said. He suggests starting with 400 to 800 lumens for residential outdoor lighting. A fixture with thousands of lumens is way too much for residential lighting, he said.
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