Features to consider when selecting a garage door from a supplier include the type of material (such as steel, aluminum, or wood), insulation level, security features (such as reinforced locks or tamper-resistant hardware), and aesthetic options (such as window styles or color choices). A supplier like S.C.I. Door can help you select a door with the right features for your needs and preferences. Visit their website for more information at https://www.scidoors.com/.