The quietest furnace you can find today on the market thanks to TWO-STAGE technology.
This furnace is equipped with Power Saver™ constant torque motor. It improves your comfort while lowering your energy costs at the same time. It can save you up to 300$ per year comparing to other furnaces.
Parts are always readily available. So if something happens (which most probably not as this furnace is on the list of most reliable furnaces), you will not be stuck waiting for parts.