 667-RUGS. Free pickup and delivery or drop off at Green Spring and receive 20% off. Always. Window Nation customers have been singing our praises for years. With fast local service for DMV residents and an industry-leading 96% customer satisfaction rating, it's no wonder. Happy customer BB Shelto says, I researched window companies in the DMV for the last year and a half to see what the average prices were and the quality of work.