About Us Founded in 1993, California Window and Fireplace has been proudly serving the San Francisco Bay Area and offers one of the largest collections of fireplace, window, and door products and accessories in the Silicon Valley. California Window and Fireplace is family owned and operated by Bob and Nancy Volheim & Sons. Volheim & Sons are certified installers and committed to providing only the highest quality products and services. Customer service satisfaction is extremely important to us, and our friendly and knowledgeable staff is available to answer your questions six days a week. We welcome your phone calls or even better; visit us at our large showroom in Campbell, California. Many of our most popular fireplaces, windows, and doors are here on display.