Please help me understand this phenomena, and in addition provide enough ancillary knowledge to assure my sanity, given this 'crazy' occurrence. The octave seems to change with different modes on this CYGOLITE DASH 460 model lamp. It occurs primarily at the back, slanted area of the chimney. Is there an explanation for the vibratory/buzzing sound emanating from the brick in my fireplace when I shine a particular LED(bike lamp) on it? vibratory/buzzing sound emanating from the brick in my fireplace On by Did you ever find out what causes this noise? We are having a similar noise problem. wind-driven movement of chimmey components or air movement through chimney openings improperly-run pipes, wires, or something else routed through a chimney flue (unsafe in an active chimney) unsafe, or improperly-operating heating equipment connected to the chimney There are multiple possible causes, each meriting investigation, as some involve safety concern: Any suggestions as to the cause or possible fix?Д«uzzing noises in or at chimneys are not a sound for which I can offer a single certain explanation. The noise is much louder on the second floor than in the basement on main level. As soon as the furnace quits, but while the fan is still running, the noise stops.

The rattling builds as the furnace fan starts and builds up the entire time the furnace is running. Our thirty year old house's gas furnace chimney has started making rattling sounds while the furnace is running. Start by asking for help from your heating service tech to rule out unsafe or improper operations at the burner itself (you don't mention if it's oil or gas or electric), and rule out a chimney hazard. That could be simply something that's looser when warm than when cooler. When there's a rattling sound I look first for loose mechanical components: ductwork sections, a loose blower door, loose fan components.Д«ut your note that the noise is gone when the fan runs but the furnace itself (its burner) is off suggests the noise may be related to the presence of heat. What could cause noise ? Thanks for some answer time we heard some art sucking whooshing noises, like the sound, of blowing air in a hallow tub etc. We have never used the wood burning chimney's in the house, since we moved in over 5 years ago. What are the chimney materials? Masonry, metal, boxed-in metal flue? Take a look at the noise descriptions in the article above - was the noise heard following a windy day? Has a chimney cap come loose or fallen off? I don't know but it's probably worth having the chimney and flue inspected. On by (mod) - chimney making sucking sound? These questions & answers about chimney noises in or on buildings were posted originally at CHIMNEY NOISE DIAGNOSIS - please be sure to review that catalog of types of sounds at or in chimneys. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. These articles discuss the causes of noises or sounds traced to building chimneys, flues & vents, ranging from thermal expansion clicks and cracks to wind howling to a dangerous chimney fire that sounds like a roaring freight train. Q&A about building chimney noise causes & cures. We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.

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