As you crank up the heat when temperatures drop the airflow affects the metal ducts and hot air coming through a cold duct causes the metal to expand.
Attic noise cold weather.
It comes from all around the room.
Most of the noises seem to be coming from the top of the walls.
Hvac units tend to make a certain amount of noise as a general rule.
Heating ducts as they cool also make banging.
What are some other causes of attic noise.
House noises a loose shutter on an attic window or loosened attic vents can cause a banging sound if it s windy as can branches hitting the roof.
A loud popping noise in the attic is often very common especially when there are extreme temperature differences such as large and rapid fluctuations between night and day temperatures.
Its not all in one area.
It literally sounds like someone punching sheetrock.
As i sit here in bed trying to get some sleep i cannot.
Fluttering noises in the attic.
What you re hearing however is the effect of low temperatures on the building materials.
As the temperature continues to drop these animals tend to make their way into our homes or businesses for warmth and shelter.
Also when the temperature becomes very hot or very cold or when sunlight warms one part of a home and not another these noises may become more pronounced.
Find out which attic noises and actions are coming from which pest with our handy little guide.
Your home s hvac system may be behind some of the bangs and groans in your attic.