Efficiency Smart
Date Posted: Tuesday, May 5th, 2026
Shop locally at the New Castle Visitor Center at The Arsenal for energy-saving products starting at $0.99, while supplies last. Special pricing courtesy of DEMEC, the MSC of the City of New Castle, and Efficiency Smart. Visit www.efficiencysmart.org/new-castle-delaware or call 877-889-3777 to learn more.
