97% Downflow Comm. Modulating Furnace (Armstrong/AirEase) Features and Benefits of Armstrong/AirEase 97% efficient SKU: A97DSMV070B12S EA 70MBH 97% DOWNFLOW MODULATING (A97DSMV070B12S)90MBH 97% DOWNFLOW MODULATING (A97DSMV090C16S)110MBH 97% DOWNFLOW MODULATNG (A97DSMV110C20S) Log in to View Price