Dryer vent makes noise when it's windy | Simple solution! (2023)

A mysterious bang comes from his laundry room and he's not sure what it could be. Most likely a problem with the air intake into the vent, causing the damper or duct to rattle.

The solution to your windy day problems is not complicated, so don't worry! There are several cheap and quick fixes you can use to stop the noise.

Dryer vent makes noise when it's windy | Simple solution! (1)
Dryer vents that are noisy in windy weather likely have dampers. Shock absorbers wobble if they are of poor quality, old, broken or installed incorrectly. To keep the dryer doors from slamming, install an exhaust fan, add stops, adjust the spring load, add weights to the flaps, or replace the door.

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Probable Source: Vibration Dampers

The most likely source of noise from the dryer vent is a muffler. The damper is a small piece of rigid plastic or metal that allows air to escape from the dryer but prevents outside air, dirt, and animals from entering.

Dryer vent makes noise when it's windy | Simple solution! (2)

When it's windy outside, a poorly designed or old damper can be opened and closed by the wind, creating a knocking sound. Although the flap must be able to open when air enters from the inside, it must not be forced open by the wind.

In addition to the knocking noise of the shock absorber, wind can also cause thisThe ducts wiggle and rattle as if the dryer were on. When the damper issue is resolved, that should go away as well, as the damper should keep the wind out of the duct.

Find out how this problem also occurs withVentilation flaps in the bathroomAnd what to do about it.

(Video) How To Stop Noisy Vent Hood From Flapping In The Wind | Loud Exhaust Backdraft Fix for Windy Days

Solutions for noisy dryer hoods

install an exhaust fan

One way to keep the wind out of the dryer vent, and thus prevent loud flap clatter, is to install an exhaust fan on the outside vent of the dryer, if you don't already have one.The ventilation hood covers the front of the opening and prevents wind from reaching the damper louvers..

There are several types of hoods that you can fit to the end of the vent pipe by slipping the rounded part of the hood over the end of the duct and applying a coat of caulk around the edges to seal it to the side of the duct. Management. home and finally screw the edges tight.

Some of the styles includeincluded with shock absorbers (link amazonas),the ones without (link amazonas), Ofthose with bird protection included (link amazonas). They are also available instainless steel (link amazonas)instead of plastic if you prefer the looks and added durability.

Many dryer vents come with exhaust fans already installed. It's not a very expensive option to buy one of these, so you can replace your existing vent with thesethe one with the hood (link amazonas)if you so wish.

The installation process for this dryer vent is to remove the existing vent, caulk the edges of the hood, and press the edges firmly against the wall until they are seated. The following video shows this process in more detail.

Felt, foam or silicone stoppers

An inexpensive solution to an external vibration isolator is to fit plugs. They work to prevent the plastic/metal tab from hitting the plastic/metal case like a door frame. They can be made from a variety of materials and can be purchased or made at home.

The video below suggests some solutions including how to use it seal foam(Amazon link) which is usually used to make windows and doors airtight. All you have to do is put a couple of grommets where the damper would meet the port opening.

Thin gasket material like the product linked above which is only ¼ inch thick is ideal as it allows the slightest amount of play to enter the vent which would otherwise result in acold stream.

You can also use furniture pads for this project. These are very affordable, come with built in glue and can be cut to any size you want. Apply a few of these around the edges of the duct opening and it should stop the knocking sound.

(Video) How to stop the exterior vents from making a tapping noise

Furniture cushions come in a variety of materials, includingSinn (link amazonas),Goma (link amazonas), OfSilicone (link amazonas). If you want the most weather-resistant option, use rubber or silicone and consider using a more durable adhesive such as siliconeAdesivo Henkel Stik n' Seal Extreme condition (link amazonas).

Adjust the spring load on the damper

If you have a spring damper you would think that the noise would be corrected as this type of damper uses spring tension to resist opening and flapping in the wind. But if a spring damper is too weak to stay closed due to poor construction or wear over time, you could still have a noise problem when the weather gets a bit windy.

If you hear vibrations from a spring damper, the problem could be that the spring force is not strong enough and needs to be adjusted. If possible, tighten the spring so that it does not open as easily.

Dryer vent makes noise when it's windy | Simple solution! (3)

To increase the spring tension it may be necessary to add or remove springs, wrap around something a smaller diameter than you already have (a thin nail might work for this operation) and swap out the springs in the hinge. Mute.

You have to be careful that it doesn't remain so resistant that it cannot be opened if necessary (when the dryer is running)!

If the damper looks worn, it may be time to buy a new one, which is likely to be stronger and more wind resistant.

We recommend AC Infinity shocks as they have durable rubber seals that prevent air leaks.

Dryer vent makes noise when it's windy | Simple solution! (4)

6" AC Infinity rear damper, unidirectional airflow duct insert with spring-loaded folding vanes for 6" ducts in bathroom hoods and fans

  • A tensile duct liner designed for use with range hoods, bathroom fans and other home HVAC applications.
  • It has external rubber gaskets that create a tight seal and a firm hold between the flap and the duct.
  • Mounted horizontally or vertically to prevent backflow and dirt from entering the ducts.
  • Zinc plated steel body with spring loaded aluminum damper vanes that open with minimal air flow.

18,99 US-Dollar

buy on amazon

(Video) BROAN BATHROOM FAN - DIY Noisy Flapper Fix!!!!!

Last updated 2023-03-02 / Affiliate Links / Amazon Product Advertising API Images

Add weight to the shock fins

Most dryer vent flaps are made of thin material, such as aluminum. B. thin metal or plastic plates that can be easily lifted by the wind. Adding more weight to these fins can help keep them closed even on the windiest of days. But be careful not to make them so heavy that they cannot be opened if necessary.

The best solution I've found for butt tabs isn't coins or washers, it'sRoda weights (link amazonas)as they are cheap, easy to use and come with a super strong adhesive already applied. These weights are used to balance the wheels of a car and can be built to any weight required.

Dryer vent makes noise when it's windy | Simple solution! (5)

(Video) how to fix vent flapping about in wind?

It may be worth gluing the wheel weights to the damper wing before applying the glue, just to get an idea of ​​how many you plan to use. You want the flap to open easily from the dryer outlet, but still be heavy enough to stay closed in the wind.

Because the wheel weights need to be strong enough to withstand all that snow, wind and hail on the roads, you can rest assured that they will be strong enough to withstand the wind coming in through the dryer vent.

Find out how a similar solution can be applied to anoisy exhaust air.

Replace the damper with a better quality product

Check to see if your shock appears to be of good quality or if it appears to be worn. If it doesn't feel like a quality product or looks like it's worn out over time, it's time to buy a new shock absorber.

An easy way to upgrade your existing shock to a higher quality product is to go for a coil shock like the one above.

Opting for butterfly dampers rather than individual flaps also helps achieve the tightest seal and eliminates drafts in the vent. Because they are also often spring-loaded, they are among the quietest options for dryer vents.

Dryer vent makes noise when it's windy | Simple solution! (6)

A higher quality damper can also mean that a damper is made of a better material, e.g. B. the choice of stainless steel instead of plastic. I also recommend choosing rubber-rimmed shocks, which create a tighter seal than the traditional metal-to-metal system.

Learn more about vent flaps, including spring flaps, hereuseful guide.

(Video) How to Fix a Samsung Dryer Squeaking, Making Noise, or Grinding

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How do I stop my dryer vent from flapping in the wind? ›

Mounting the damper inside the vent protects it from damage and prevents noisy flapping from wind as well as better airflow.

Why is my dryer exhaust vent making a loud noise? ›

If you hear a loud rumbling noise coming from your dryer, the blower wheel may be responsible. This component circulates air in the drum and blows it out through the rear exhaust vent. If it's loose, off-balance, or blocked by lint or debris, the blower wheel will make a rumbling or thumping noise.

How do you fix a noisy vent? ›

High static pressure makes airflow more audible
  1. Adjust the fan speed. Your blower or furnace fan should be set to deliver the proper airflow per ton. ...
  2. Add ductwork. ...
  3. Add a bypass duct. ...
  4. Add or expand grilles and registers. ...
  5. Replace existing registers and grilles with high velocity models.

How do I stop my exhaust fan from flapping? ›

The first and cheapest step is to get some of that soft foam self adhesive weather-stripping tape. Tape it to the exhaust hood where the flapper hits. This may just damper down the problem to not have to really solve it. This flapping noise comes from the wind blowing from the other side of the house.

How do you fix a drafty dryer vent? ›

Clean the vent flaps to stop cold air drafts

Stop cool drafts from leaky clothes dryer vents by cleaning and lubricating the vent flaps so they completely close. If unsuccessful, replace the vent, a simple task.

What if your dryer is making a loud noise? ›

When your dryer is making a loud noise, whether it's thumping or creaking, a worn-down roller is often the cause. When this part no longer makes a solid connection with the drum, you'll hear a sound as the drum rotates. The part will need to be replaced entirely. A damaged belt.

How can you tell if dryer vent is clogged? ›

The Warning Signs and Dangers of Clogged Dryer Vents
  1. It takes longer than usual to dry your clothes. ...
  2. You notice a burning smell. ...
  3. Your clothes are hot to the touch at the end of a load. ...
  4. You can see lint or debris in the dryer hose or around the outside dryer flap. ...
  5. You haven't cleaned out your vents in over a year.

What is a duct silencer? ›

A duct silencer is a component of ventilation system used to reduce noise transmitted inside ventilation ductwork. Duct silencers are also referred to as sound attenuators, sound traps or mufflers.

How do I quiet a rattling fan? ›

The results are a long-lasting fan for years to come.
  1. Clean off the Blades. The simplest way to calm a noisy ceiling fan is by cleaning the blades. ...
  2. Tighten the Blade Screws. ...
  3. Tighten Light-Fixture Fasteners. ...
  4. Examine Any Warped Blades. ...
  5. Secure the Upper Canopy. ...
  6. Lubricate the Fan Motor. ...
  7. Balance the Blades. ...
  8. Check the Pull Chain.

How do I stop my fan from spinning and clicking? ›

  1. Clean Your Ceiling Fan. Dirty blades can become unbalanced, making them noisy over time. ...
  2. Tighten the Fan Blade Screws. A ceiling fan making clicking noise may be caused by fan blades that aren't firmly attached to the fan assembly. ...
  3. Check Attached Lighting for Loose Screws. ...
  4. Examine the Fan Canopy. ...
  5. Add Oil to Your Fan.

What is exhaust flap control? ›

In emission control, exhaust gas flaps are used to divert the exhaust gas flow. In this way, they trigger the HC (Hydrocarbon) absorbers or bring the starter catalyst to operating temperature more quickly. A more recent method of emission control is the use of DeNOx catalytic converters.

Can you use spray foam around dryer vent? ›

Spray foam or silicone caulk are ideal for sealing dryer vent gaps, and provide a durable seal that blocks pests and eliminates air infiltration, says the Centers for Disease Control and Prevention. The product you should use depends on the size of the gap you need to seal.

Can you use duct tape on a dryer vent hose? ›

DO NOT use duct tape to connect venting materials. The adhesive dries out over time, especially due to temperature changes, creating gaps in the joints of the vent.

Where do you put a dryer vent booster? ›

They switch on automatically when the dryer kicks on, using an electric fan to speed up the airflow through the duct, which increases air flow through the dryer. Mount the booster to the wall or ceiling at least 10 ft. from the dryer and in the path of the existing vent. Connect the vent to the booster and plug it in.

What type of dryer vent is best? ›

Semi Rigid Metal Dryer Duct

If you need flexible duct, this is the best choice. It has smaller ridges inside for better airflow and less lint buildup. It also withstands fire better than other flexible duct.

How does a dryer vent booster work? ›

These devices, commonly known as 'booster fans', incorporate a pressure- sensing switch that automatically turns the ventilator on when the dryer is energized and helps overcome the resistance created by the additional duct.

How often should you clean your dryer vent duct? ›

Experts recommend you clean out your dryer ducts twice a year. Doing so on your own might sound like an intimidating prospect but there are ways to do it easily, cheaply and relatively quickly.

How do you control the noise or vibration in the duct? ›

Keep airflow velocity in ducts serving sound-sensitive spaces a low as possible by increasing the duct size to minimize turbulence and flow-generated noise. Duct transitions should not exceed an included expansion angle of 15 deg, or the resulting flow separation may produce rumble noise.

How do you stop duct expansion noise? ›

These are some simple ways you can stop ductwork noise:
  1. Clean or Replace the Filter. ...
  2. Clean the Ductwork. ...
  3. Adjust or Upgrade the Dampers. ...
  4. Insulate Your Ductwork. ...
  5. Check Your Furnace. ...
  6. Change the Blower. ...
  7. Install Ducts with an Insulated Liner.
Dec 2, 2022

What are examples of duct sound silencers? ›

Examples of Duct Silencers and Their Applications:
  • Acoustical Silencers – Reduction of sound reverberation. ...
  • Gen-Set Silencers – Control noise produced by generators/engines.
  • HVAC Silencers – Duct sound attenuators for building ventilation systems.
  • Sound Traps – Reduce sound volume from noisy machinery on the factory floor.

How do you lubricate a noisy fan? ›

You can now go ahead with lubricating your ceiling fan. For doing so, use a long and thin nozzle to spray WD-40 into the oil hole. Make sure you do not spray a lot of liquid inside the hole as it may damage your fan. The best way to go about it is to check the lubricant levels using a pipe cleaner as discussed above.

Why is my fan making noise at low speed? ›

Bearing ceiling fan noise is almost always caused by the lack of lubrication of the fan motor. This is one of the main causes of a ceiling fan making noise at a low speed. Ceiling fan making scraping noise. Fan blades might be lightly scraping the fan housing.

Can a noisy fan fall? ›

A ceiling fan has the potential to fall. This can be due to improper installation, age, lack of maintenance, or other defects. Therefore it is extremely important for you to keep an eye on the maintenance and safety of ceiling fans.

What is the purpose of a flap valve? ›

Flap Valves, sometimes referred to as Flap Gates, are put on the end of a flanged pipe to allow the flow of water out of the pipe, but prevent anything from flowing back in, such as sticks, leaves or other debris.

What is the purpose of an exhaust damper? ›

Most people know that an exhaust system removes the harmful gases produced in your engine; however, exhaust systems do a lot more! Your vehicle's exhaust system has four main functions: control noise, carry away gases, improve engine performance and improve fuel consumption.

Does a dryer vent need a backdraft damper? ›

The duct opening should never be covered with a screen because the screen would get clogged with lint. The Uniform Mechanical Code requires clothes dryer exhaust ducts terminate outside the building and have back-draft dampers.

Should dryer vent flaps open? ›

The hood flap covering the dryer vent should always be open while the dryer is running, to allow hot air to ventilate out of the dryer and prevent the machine from overheating. If you notice that the hood flap isn't open when the dryer is on, that is a clear visual sign that the vent needs cleaning.

Is it OK to use duct tape on dryer vent? ›

DO NOT use duct tape to connect venting materials. The adhesive dries out over time, especially due to temperature changes, creating gaps in the joints of the vent.

How often do you need to clean dryer vents? ›

A good rule of thumb is to have your dryer exhaust vents inspected and cleaned by a professional at least once per year. However, if you have a household that uses your dryer often, such as one with a lot of children, you may want to consider increasing that amount to every six months.

Does dryer vent need to be airtight? ›

Dear Pat: It is very important to install a tight-sealing dryer vent cover for several reasons. The dryer vent duct is a direct open path from indoors to outdoors. If the vent cover does not seal well, it is just like leaving a window partially open.

Where do you put a backdraft damper? ›

A backdraft damper can be installed inline with your ductwork or at the connection between your hood and the ductwork. For the best results, install an inline backdraft damper a few feet away from the outside of your home. Backdraft dampers are vents that go inside your duct.

What happens if dryer vent is loose? ›

If either side of the vent hose falls off (vent hose on dryer side or vent hose on wall side) the hot air exhaust will fill the room and lint may be noticeable on the floor. Without a vent hose attached to your dryer, lint can build up in your clothes dryer over time and cause efficiency and safety issues.

What is the proper way to run a dryer vent? ›

It's best to route the dryer vent in a horizontal path to the home's outside wall. All horizontal runs should pitch 1/4-inch per foot to the outside. This will help to avoid moisture from sitting in the pipe or draining back to the dryer.

Can you leave dryer vent open? ›

Definitely NOT! As the clothes dry, moisture is being removed and vented out of the dryer, which is why it's so important that clothes dryers be vented all the way to the outside of the house.


1. WORST & BEST dryer vent pipe YOU should use!
(Twin Home Experts Shorts)
2. Fix Loose Dryer Vent Pipes with a Dryer Dock
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3. Cleaning a dryer vent on the roof - Do not DIY!
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4. Simple Trick to Clean Out a Clogged Dryer Vent or Duct Work.
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5. How to Fix a Noisy Dryer - Troubleshooting and Repairing
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6. Dryer Vent Making Noise When Dryer is Turned Off
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