-Energy efficient- offers up to four times the insulating of R-Value Wood
-Requires minimal maintnance- won't warp or rot like wood, dent or rust like steel
-Offers beautiful wood-grain or smooth finish, and can be stained or painted
-Feels warm and inviting to the touch- like a real wood door
-Beauty- the primary reason to add transoms is to enjoy the enhanced architechual detail.
-More natural light- while you probably cover your main windows for privacy, transom windows are usually above your line of sight, so you can leave them uncovered to allow more light in
-Ventilation- when you install a transom capable of opening and closing, you can leave this open to allow more airflow
-Protects your exterior door
-Increases energy efficiency, and further decreases outside noise
-Keeps insects out- some days you want ot let in a breeze, but not the bugs. Storm doors with screen inserts offer air flow while keeping the critters and pests out
-Additional home security
-Energy efficiency- sliding glass doors can be great insulators, making your home warmer in the winter and cooler in the summer, while always letting a ton of natural light in.
-Indoor/Outdoor flow-these type of doors make it easy to bring the outdoors in-year round views of the outdoors!
-Safety- today homeowners can now get sliding glass doors with shatterproof safety glass. The days of weak glass in these doors are gone!