Rooter Hero Plumbing San Jose HVAC

When winter rolls into San Jose, most of us rely on our furnaces to keep our homes warm and comfortable. But what happens when your cozy quiet is interrupted by strange noises coming from your heating system? If your furnace has started to rattle, bang, or whistle, it might be trying to tell you something. At Rooter Hero Plumbing of San Jose HVAC , we often hear this concern from local homeowners. While some furnace noises are harmless, others could signal a deeper issue. In this blog, we’ll walk you through the most common furnace sounds, what they mean, and when to consider professional help. Is It Normal for a Furnace to Make Noise? Some light sound is normal. For example, you might hear a gentle whoosh when the system turns on, or a soft click when it shuts off. But loud, unusual, or persistent noises—especially during San Jose’s chilly months—are a red flag. Understanding what those sounds mean is the first step in knowing whether it’s time to call for Heating Repair in San Jo...