Lighting retrofit kits and upgrades save energy while maintaining current light fixtures. It a less expensive option and looks like an original product in most cases. An easy way to get better, more efficient lighting. If you're looking for a way to keep things as they are in your building, but want the latest technology in lighting, then the retrofitting option would be a good choice for many situations. Whether office, industrial or home lighting, you can save energy while getting the light you need.