There are seven factors that determine the quality of an automatic sliding door, and off the top of my head, I would say that the build material is one of the most important.
High-quality materials in an automatic door will not only contribute to a better experience for the owner and the users but also lead to longer durability. Additionally, the features and technology of an automatic sliding door will also determine its quality.
For instance, it is usually advisable to go for automatic sliding doors that possess advanced source sensors and state-of-the-art safety features. There are also impressive high-quality automatic sliding doors out there with top-notch operation and smoothness thanks to the beauty and technology.
Lastly, you want to consider brand reputation, as this is always an important factor with technology of any kind. Established and reputable manufacturers will usually give you automatic sliding doors that have high quality measures and longevity.