How many of you remember this monstrosity and where it comes from? You earn 10 extra points if you remember the last name of the family! Now the true test of knowledge comes into play when we ask, does anyone know what type of furnace this is; other than it being a scary looking furnace?
Correct, it’s a gravity furnace. The hallmark of the gravity furnace is the “octopus” arms of duct work that come up and out of the unit, running to and fro all over the basement. Gravity furnaces were mostly coal fed furnaces and while they were incredibly inefficient, they managed to heat homes quite thoroughly. Learn more about Gravity Furnaces and read all about the movie too!