Million-Air Heat Exchanger The heart of the Amana brand furnace is its patented Million-Air stainless-steel tubular heat exchanger. One of these heat exchangers has endured over one million extreme-temperature test cycles, and is still going strong. The durability of this heat exchanger is one of the reasons we know the Amana brand furnace will last for years to come.
SureStart Ignition System A long-lasting Silicon Nitride Igniter, which is significantly more durable than the igniters used in many competitors' furnaces, is so rugged that it has been pressed through a piece of wood without breaking.
