Around fifty years ago, it became common practice to construct new homes with ductwork for the central air conditioners that were suddenly all the rage. This meant that the ductwork could also be used for forced-air heating systems like gas or electric furnaces. Naturally, those increased in popularity as well.
However, they didn’t completely replace the heating systems that were common before. In fact, home heating boilers continue to be a favorite with many Americans, and for good reason. Here’s why they’re still so popular.