Duct Noise Under Floor

Hot air makes your ductwork expand.

Duct noise under 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. Floors pop oil can noise. If flexible ductwork isn t installed properly it might.

A loud booming sound is common at the connection of the duct trunk and plenum. Wonder what s causing that popping noise in your home s ducts. 3 measure for a piece of 1 inch wide sheet metal duct. 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.

This connection endures the greatest temperature swing and there may be inadequate dampers or expansion joints to isolate the noise. Turn up the furnace s thermostat to activate it in the heating mode. There aren t enough obstacles inside the duct that the sound could bounce off of so the noise isn t getting disrupted. If the noise is in the first floor and you have an unfinished basement you should be able to correct the problem relatively easily.

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. 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. You can also adjust the actuator inside of the duct dampers up or down to reduce the duct noises. One closed damper probably won t make much difference but closing several dampers at once might.

If the air moving through your system makes a lot of noise the first things to check on are. How much popping noise you hear depends on 1 or more of these 4 factors. Popping and banging sounds are caused by the movement of duct walls due to temperature changes. When i move it sounds like the heat duct thumps and bangs.

With me in the chair it probably weighs 400 pounds or so. The air vent is loud because it is not made of particularly absorbent materials. 06 02 2008 01 25 pm 2. The shape of your ducts.

Is there a better way to stop these ducts from squeeking under a linoleum floor. Turn off the home s televisions radios computers dishwashers and anything else that makes noise. 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. Your ducts gauge rating.

Popping and banging sounds are caused by the movement of duct walls due to pressure changes. Sagging or bent flex ducts. If you don t know how to do this contact your local hvac technician. Change your air filter.

Cold air makes it contract. How to fix creaking heat vents step 1.