Ever wonder why the gas-fired furnace is still so prevalent? Why isn't electric heat the standard? Well, wonder no more as we explore the economic and practical reasons the gas-fired furnace is so ubiquitous in colder climates, and how in the future this is almost certainly going to change. Technology Connections is a channel exploring how the technological do-dads in our homes work and why we use them. If you like videos like this, hit that subscribe button! You know you want to...