While most New Yorkers might think the hissing, clanking, and banging come with the territory, radiators are not meant to make those noises. … “It’s clean, but they’re obtrusive, and they can get noisy. Plus, they’re old and rusty, and that’s what causes a lot of their noise.

Why is my old heater making noise?

The ducts that send warm air throughout your home are made of thin metal. The metal can expand when heated and will contract as it cools down after the furnace cycles off. As the metal ducts expand, they typically make a banging or booming noise.

Is it normal for my radiators to make noise?

Unfortunately, a clicking radiator is quite normal, as the sound is caused by the metal expanding and contracting. If the radiator is quite old, it may help to get a newer model that could make less noise.