You need central heating in Lockport, IL—there’s no way around it. Portable heaters are a hassle, and they won’t protect your pipes or, of course, keep the whole house warm as you deserve. However, you may not need to be using your central heating as much as you are right now.
That doesn’t mean you should shut it off altogether. It just means taking the right steps to reduce usage, whether that’s moderating temperatures or watching the way it’s maintained. Here’s how you may currently be overworking your furnace.