Winter may be going full strength right now, but in a few short months, spring will arrive. When it does, you'll want to be ready to put your furnace to bed. If you're like most people, your furnace shut-down procedures including turning the system off and forgetting about it until the temperatures turn cold again. Unfortunately, that's the worst thing you can do for your furnace. To help your furnace recover from a long, cold winter, here are four steps that will need to be taken before you shut down the system this spring.