How MERV Filters Can Save You Money On Energy Bills? A clean and healthy indoor air is a crucial consideration for every homeowner. However, achieving this status requires a detailed understanding of MERV filters.  Have you ever gone to shop for MERV furnace filters and been asked for your preferred... How MERV Filters Can Save You Money On Energy Bills? A clean and healthy indoor air is a crucial consideration for every homeowner. However, achieving this status requires a detailed understanding of MERV filters.  Have you ever gone to shop for MERV furnace filters and been asked for your preferred...