 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 window nation nailed both the level of professionalism from beginning to end is unbelievable right now get two free windows with every two you buy plus zero down and no interest or payments for 24 months