Pella Windows & Doors is a national home furnishings supplier, with a show room in the Livermore area. Some of the products it offers include regular windows and doors, patio and storm doors, as well as full installation and repair. The Northern California district of Pella has received an A-plus rating from the Better Business Bureau for reliability and service. You can check out the website to learn more about the company, its products and to request a free consultation.