Do I contact Pella? – Anonymous from Windsor, CA Viking Windows was bought out by Pella windows, however, they still uphold the old Viking warranty as long as they fall into the warranty guidelines. » more Viking Windows was bought out by Pella windows, however, they still uphold the old Viking warranty as long as they fall into the warranty guidelines. You can contact customer service at 1-800-722-6030 for service and questions. Also, Viking windows are now called Thermastar by Pella and are sold at Lowe’s, 84 Lumber and Allied Building, as well as a couple other places. If customers need parts or pieces they can find them at those locations under the name of Thermastar by Pella. Viking is still located in Portland, Oregon and parts and service are still available to their customers. « less • We have numerous french doors with double-paned glass in our house (believe they are Pella?). A couple of the panes are cracked right through the mid-section (width-wise), and we would like to re