Glass Doors HearthWorks Centers sells a variety of glass enclosures from standard production doors to unique custom doors. There are numerous finishes and styles to choose from. Professional installation is also available here at HearthWorks Center. What’s New! New Décor from Mendota New Osburn Volta New Product Ravelli Roma Pellet Insert Napoleon Rogue Grill Mendota ML39 Linear Fireplace Like Us on Facebook!