You might even hear some pinging or popping noises coming from your ductwork. This is normal too—it’s the sound of your home’s ductwork expanding and contracting based on the temperature changing throughout your home. The problem comes in when the sounds are new, loud, or persistent.
Why is my ductwork popping?
WHY ARE MY AIR DUCTS POPPING AND BANGING? One of the main causes for these loud noises are differences in pressure between the supply and return ducts. Another common cause is expansion and contraction due to changes in temperature.
How do I stop my ductwork from popping?
Here are two ways to solve the problem:
- Seal and insulate your ducts. Wrapping your ducts in insulation should solve your “cold winter morning” heating duct popping noise. …
- Replace your ducts. Replacing your ducts is usually more cost effective than insulating them.
Why does my ductwork make banging noises?
The ducts warm up and expand, then contract as they cool once the heating cycle is finished, producing a loud banging noise. Duct cleaning removes buildup from the interior of your ductwork so air can move through the system as intended, which reduces the likelihood of a banging noise after each heating cycle.
Is it normal for ductwork to make noise?
As the long sides of the rectangle contract with the reduction in pressure, the metal ductwork can react with a second popping or banging sound. This kind of banging sound isn’t a sign of trouble in most cases. It’s just a sign that the ductwork is expanding and contracting with pressure changes.
How do you fix noisy ductwork?
Solutions for Noisy Ducts
You can insulate your ductwork with fiberglass to muffle sound. You can also install fiberglass duct board instead of metal ducts to reduce noise. If your ducts are popping against the framing, use rubber pads to separate the framing and the ductwork.
