New studies have found that using louvers at the bottom of the fusion device, like those found on the air ducts of a home, create local conditions that can reduce the temperature of the edge plasma.

This pergola with tilting louvers creates a pleasant environment for patios. It only takes a minute to choose the ideal amount of light and ventilation by operating the automatic louvers.

Give your louvered doors a stylish upgrade with this simple and inexpensive DIY trick that you can do with just a bit of ...