Signs You Have a Clogged Heat Exchanger
If your furnace or boiler isn't keeping the house warm like it used to, you might be dealing with a clogged heat exchanger. It's one of those parts that most people never think about until something goes wrong, but it's arguably the most critical component in your entire heating system. When it's working right, you don't even know it's there; when it's blocked or dirty, your comfort—and your safety—can take a massive hit. ...