When people install outer doors, many of them are now choosing glass doors that slide. Glass doors are very popular today. People like the fact that these doors can more or less function as windows and doors at the same time. They will be able to genuinely get a lot of use out of doors like these.
In some cases, people will have to install glass in their wooden doors in order to get that same effect. They will need to install windows in their doors. No one will have to get to that step if they use glass doors instead. Glass doors are inherently efficient in a lot of ways.
Being able to casually look through glass doors during the day can be fun in a lot of cases. People already like to look out the window throughout the day, but their windows are typically small and low to the ground. This will not be the case for glass doors, which are full-length windows in a very real sense.
These sorts of glass doors will make almost any room feel that much more open, which can be very freeing for the people in the house in question. Many people will just feel more comfortable in a home that feels open. Some people will even decide to leave their doors and windows open all day long in order to get an effect that is like that. They will not have to get to that point when they use glass doors.
Many glass doors are very strong. Glass these days has been made to be very tough. In spite of the reputation that glass has, modern glass is anything but fragile. People will be able to rely on this sort of glass, and they will not have to worry about anything happening with it.