Duct Noise Under Floor

Sagging or bent flex ducts.

Duct noise under floor.

Hot air makes your ductwork expand. Wonder what s causing that popping noise in your home s ducts. Turn off the home s televisions radios computers dishwashers and anything else that makes noise. Is there a better way to stop these ducts from squeeking under a linoleum floor.

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. The air vent is loud because it is not made of particularly absorbent materials. With me in the chair it probably weighs 400 pounds or so. 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. 3 measure for a piece of 1 inch wide sheet metal duct. If you don t know how to do this contact your local hvac technician. If flexible ductwork isn t installed properly it might.

Turn up the furnace s thermostat to activate it in the heating mode. Unlike the previous point this one is pretty easy to solve as you ll see later on in this article. You can also adjust the actuator inside of the duct dampers up or down to reduce the duct noises. There aren t enough obstacles inside the duct that the sound could bounce off of so the noise isn t getting disrupted.

06 02 2008 01 25 pm 2. Your ducts gauge rating. 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. Walk around the house and listen closely for the source of the noises.

One closed damper probably won t make much difference but closing several dampers at once might. If the noise is in the first floor and you have an unfinished basement you should be able to correct the problem relatively easily. 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. Change your air filter.

How much popping noise you hear depends on 1 or more of these 4 factors. 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. Popping and banging sounds are caused by the movement of duct walls due to pressure changes. 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. How to fix creaking heat vents step 1. When i move it sounds like the heat duct thumps and bangs. A loud booming sound is common at the connection of the duct trunk and plenum.

Floors pop oil can noise. The shape of your ducts.