Napoleon's 9600E Series is one of the most stylish and efficient furnaces on the market. Napoleon's 9600E Series is Energy Star rated and performs with higher energy efficiencies, achieving your heating needs with less impact on our environment. The 9600E Series runs using the first, low-fire stage for greater efficiency throughout the heating season. During colder days, the furnace automatically switches to the high fire, second stage to produce additional heat for your home. This powerful two-stage system is like having two furnaces in one. Napoleon's superior engineering and design guarantees consistent and comfortable temperatures throughout your home for many winters to come. With the 9600E Series furnace, you'll forget it's winter.