In the 17th century, French architects, inspired by Italian design, began making French windows. Such windows are a beautiful design, they consist of two panels mainly made of glass that bring more light into the interior and provide easy access to balconies and verandas. This design style quickly became popular, making its way to England and eventually the United States, where it became known as "French doors."

Today's French doors continue to be a beautiful design, and they are often installed in rooms to flood them with natural light while opening to decks and patios. Interior French doors are also common, serving as passages between interior spaces and becoming eye-catching design elements.

Some French doors feature a pared-down pattern that pays homage to the original French windows. At the time, because large panes of glass were not readily available, designers used center mullions to separate smaller, individual panes of glass. Today's designs focus more on aesthetics, with French doors identified by wider, heavier top and bottom rails, making them easier to distinguish.

French doors are a classic interior addition that offer design flexibility to suit your unique vision. If you want to create a truly stunning aesthetic, you can opt for arched doors, their beauty is unparalleled. To better capture natural light and open up interior spaces, you can add side windows next to doors or transom windows above. Additionally, you have a variety of action options. For example, you can open one of the door panels while the other remains stationary. In this case, you can even hinge the operating panel in the center of the opening. French doors are also available in a variety of shapes and sizes. You can choose from different sized door panels for best results, or go with a bold 10-foot-tall, 7-foot-wide French door

When considering energy-efficient doors, French doors are a great choice. You can achieve energy savings if you choose the door that's best for your home. There are many factors to consider, such as adding a layer of glass to improve energy performance and changing the amount and type of radiant coating to improve performance. If you live in the south, you can choose heat-resistant glass to reduce the absorption of solar heat. For northern residents, glass that absorbs solar heat while blocking cold air would be a good choice. The most important thing is the door's build quality and material quality. Choosing energy-efficient doors is an environmentally friendly move that helps protect our environment while saving you money on your home's energy bills.