Duct Noise Under Floor

One closed damper probably won t make much difference but closing several dampers at once might.

Duct noise under floor.

The air vent is loud because it is not made of particularly absorbent materials. This connection endures the greatest temperature swing and there may be inadequate dampers or expansion joints to isolate the noise. Popping and banging sounds are caused by the movement of duct walls due to temperature changes. 06 02 2008 01 25 pm 2.

Wonder what s causing that popping noise in your home s ducts. Walk around the house and listen closely for the source of the noises. You can also adjust the actuator inside of the duct dampers up or down to reduce the duct noises. Is there a better way to stop these ducts from squeeking under a linoleum floor.

I m a night owl so i stay up late into the night. As ducts age the sealing fails and duct connections wiggle loose from the static pressure. The shape of your ducts. View profile view forum posts visit homepage view forum threads professional member join date aug 2007 location mn posts 2 686 post likes if you fixed it leave it you could try rubber strapping to hold it up but if you don t.

Unlike the previous point this one is pretty easy to solve as you ll see later on in this article. If the air moving through your system makes a lot of noise the first things to check on are. Turn up the furnace s thermostat to activate it in the heating mode. Sagging or bent flex ducts.

If your floors squeak only when you walk across them and sounds like an oil can a metal flexing sound you probably have an hvac duct that is deflecting when the floor moves. Turn off the home s televisions radios computers dishwashers and anything else that makes noise. Cold air makes it contract. If the upper edge of a duct are too close to the floor joists to make the wraps install the tape at the three exposed sides of the duct.

3 measure for a piece of 1 inch wide sheet metal duct. When i move it sounds like the heat duct thumps and bangs. Floors pop oil can noise. How to fix creaking heat vents step 1.

If flexible ductwork isn t installed properly it might. With me in the chair it probably weighs 400 pounds or so. Anyways the heat duct runs under my bedroom floor the livingroom and my mother s bedroom which is on the other end of the house. Check the dampers on the supply side of your ductwork and try opening them up one at a time to see if this reduces the popping and banging noises.

A loud booming sound is common at the connection of the duct trunk and plenum. There aren t enough obstacles inside the duct that the sound could bounce off of so the noise isn t getting disrupted. Your ducts gauge rating. Change your air filter.

Hot air makes your ductwork expand. How much popping noise you hear depends on 1 or more of these 4 factors.