Knowing what's a normal furnace noise can help you address small issues before they become costly repairs. Common Furnace Noises and What They Mean 1. Buzzing or Humming Sounds A furnace making a ...

One of the most common appliances for heating the home is a furnace system, which is typically attached to a series of ducts, allowing heat to be transported throughout the home. Furnaces can make ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ST. LOUIS – The furnace should not sound ...