Do you have some trees on your property that need to be trimmed? If so, you're likely contacting local tree trimming services in your area for assistance. You probably don't understand all of the lingo about the service that they offer, so it helps to have a better understanding of what they'll do. Canopy Lift The purpose of a canopy lift is to help a tree look thinner near the bottom by removing a small percentage of the branches on the inside of the tree.