The furnaces that many of us are familiar with today aren’t the systems that have always been around. People have innovated over the years, trying to find the most effective and efficient ways to keep homes warm. While today’s furnaces use a blower fan system to push warm air through the house, previous iterations of the system used gravity to try to do their job.
These systems, known as gravity furnaces, may seem like a good idea. However, there is a reason that they aren’t used any more. Multiple reasons, actually. We’ll explain these reasons below along with why you should opt for a gravity furnace replacement in Minneapolis, MN.