 So how have your energy bills changed since installing Renewal by Anderson Windows? They're absolutely immediate, but our bills are down a good percentage. Why the upgrade? We want to leave it better than when we arrived. When your home needs some TLC, call the experts at A&L Siding today. News Radio 1310 KNOX AM, Grand Forks. 1079 and 1033 KNOX FM. Translated on K239BG in Grand Forks and K277DN in Grand Forks.