How to install a dryer vent hose

Today, you can place the dryer flush to the wall without crushing the exhaust hose or restricting airflow. Install the Dryerbox ® for safer, roomier and more efficient homes.

Dryerbox Exhaust Receptacle

In the past, homeowners had to put up with the inefficient venting of their dryer appliance exhaust due to numerous friction causing bends or kinks in the flex duct hose that connects the dryer to the wall exhaust pipe. Lint build-up and a fire hazard are the unwelcome by-products of these annoying bends. In order to accommodate these flow restrictive bends, the dryer appliance had to be located five to six inches away from the wall, taking away from valuable living area.

Choosing the Dryerbox recessed exhaust receptacle makes for a simpler, cleaner install that truly finishes the laundry right. You’ll protect the exhaust hose neatly in the wall, and you’ll be able to place the dryer flush to the wall without crushing the hose or otherwise restricting airflow. Adding this receptacle makes homes roomier and more efficient. It also makes them safer by reducing the fire hazard associated with dryer venting problems. It’s even UL Classified for a 1-hour wall.

Safer, Roomier & More Efficient Homes

In-Wall Connection

  • Cleaner, More Professional Finish
  • Safer, Roomier, More Efficient Homes
  • Give the Dryer Some Space
  • Let the Dryer Perform at Peak Efficiency
  • Help Protect Against Fire Spread
  • Protect Exhaust Duct in the Wall

How to install a dryer vent hose

Testimonials

“LOVE the Dryerbox–wish we knew about it years ago! I just had a friend install the Dryerbox this morning and we absolutely love it! We have been enduring a crimped dryer vent hose for nearly 13 years in our current house!! The Dryerbox allows us to use the space in the wall between the studs—we have all the space we need and it will no longer be a cleaning and fire hazard—we HIGHLY recommend the Dryerbox.”
– Daniel Peterson — Apex, NC

“The Dryerbox is a great invention. We installed this in a new laundry room in an exisitng residence and the owner thought it was great when she saw it installed. The wall pan was easily painted to match the appliance. The owner especially like the fact the dryer could be almost against the wall. I can say this is an easy quality upgrade and we will be using them from here forward.”
– Todd Walton — Springfield, IL

Dryer vent pipes, properly called vent ducts, come in a variety of materials. Most dryer ducts are round and 4 inches in diameter. Some are flexible, and others are rigid. Because all types are sold for use with dryers, you would naturally assume that all are suitable for this application. Unfortunately, that is not the case. Vinyl duct, and in some situations all flexible duct, is not allowed by building codes. Also, dryers may come with the manufacturer’s specifications for ducting to use with a particular model.

The best way to ensure a duct is safe for your installation is to look for a product that is listed, or certified, by a national testing laboratory, such as UL (Underwriters Laboratories). Building codes often specify "listed" or "L and L" (listed and labeled) duct for all new installations.

Here are the most common dryer duct materials used to install a dryer vent.

Aluminum Foil Duct

Made of flexible aluminum foil, this is the most common type of dryer transition ducts—those that connect from the appliance to the main duct that runs to the outdoors. Foil duct can accordion from about 1 to 8 feet, which is usually enough for most installations. Double-check to make sure that this type is approved for your dryer and allowed by local code. Transition ducts must not be concealed inside walls or other building cavities and usually have a maximum allowed length of eight feet. Foil duct is held in place with dryer clamps or large hose clamps. Metal tape can be used, too, but clamps make it easier to remove the tubing for cleaning.

Semi-Rigid Metal Duct

How to install a dryer vent hose

Semi-rigid metal (usually aluminum) duct is flexible and similar to foil ducting but quite a bit more rigid. Like foil duct, semi-rigid is used only for transition ducting and should not be concealed in walls or floors. It is typically installed with clamps. Although semi-rigid metal duct is often stronger and has a smoother interior (catches less lint) than foil duct, it is more common to find listed foil duct than listed semi-rigid.

Slim Duct

Slim duct, sometimes called periscope duct or known by the brands Tite-Fit or Skinny Duct, is a telescoping rigid aluminum duct designed for transition ducting in tight spaces. It has a wide rectangular shape except for the two ends where it connects to the dryer and the vent outlet. It allows you to push the dryer very close to the wall. This can be a great space-saver as long as the dryer and the vent are close together. Most slim ducts can be adjusted from about 27 inches to about 48 inches in length. It is also adaptable to vertical, horizontal, and diagonal installations.

Rigid Metal Duct

How to install a dryer vent hose

The rigid metal duct is the only suitable duct material for concealed duct installations; that is, the portion of the duct run inside walls, floors, or other areas where the duct is not fully visible. Available in aluminum and galvanized steel, the rigid metal duct is very smooth on its interior, so air flows through with little friction, and it catches the least amount of lint of any duct material. Because rigid duct cannot be bent, it is assembled with elbow fittings that allow the duct to turn 45 or 90 degrees, depending on the type of elbow.

Warning

Always use metal duct tape to secure the joints; don't use screws, because they catch lint. Do not use regular plastic duct tape because it dries out and deteriorates.

MagVent’s dryer vent Home page. Learn more about MagVent’s unique dryer vent solutions and the benefits of an unrestricted vent path.

Also, learn some more about MagVent’s values and some dryer vent safety education.

MagVent with its powerful self-aligning magnets, help you remotely complete the dryer vent path, so you no longer have to get between the dryer and the wall. This allows you to do away with that extra length of dryer vent hose, which usually gets crushed and restricted between the dryer and the wall. Get your Magvent today and see why it is the best dryer vent replacement.

How to install a dryer vent hose

How to install a dryer vent hose

How to install a dryer vent hose

MagVent’s Self-Aligning Models Utilize Zero Flame Spread, UL 2158A Approved Dryerflex Transition Hose.

MagVent’s dryer vent products have been created with four guiding objectives:

1. Customer satisfaction: Our number one goal is customer satisfaction. Whether the customer installs a MagVent dryer vent themselves or leaves it to the professional, they can rest assured that their purchase will reward them with increased dryer efficiency and safety with every load washed. Great customer service as essential to customer satisfaction. So whether you are a home owner or a seasoned installer, don’t hesitate to reach out to us. We’ve seen many tricky installations and can help guide you through yours. With MagVent behind you and your dryer, you’ll know you have done your installation right! And you can have confidence that your home is safer and more efficient.

2. Fire Safety: Dryer fire safety is a serious and often overlooked problem. It is our goal to both increase consumer awareness about the dangers of dryer fires, and to provide the solution, which is a minimum path vent and routine maintenance. MagVent makes maintenance a snap!

3. The 3 E’s: Economy, Energy Efficiency, and the Environment. The 3 E’s are listed in the same point because they are inseparable. MagVent’s ability to provide a convenient minimum path duct, that resists crushing and obstruction, allows the dryer to run at optimum efficiency and save energy. This saves the client money and helps conserve our energy resources, which is good for the environment. MagVent, 3 big wins!

4. The professional installer, dryer vent service professional, general contractor and architect: MagVent is truly born out of the need for tradesmen and professionals to deliver their clients a better vent solution than the traditional mess of flexible transition duct. The professional has been considered during every phase of the design process. MagVent has endeavored to simplify the uncertainty in dryer installations by providing a solution that both you and your client can feel good about. MagVent: Easy, solid installs that boost dryer efficiency and safety!

A top-quality dryer vent will keep your dryer working at peak efficiency—and keep bugs, rodents, and cold air out of your home.

By Tony Carrick | Updated Jun 16, 2021 8:13 PM

BobVila.com and its partners may earn a commission if you purchase a product through one of our links.

How to install a dryer vent hose

How to install a dryer vent hose

How to install a dryer vent hose

How to install a dryer vent hose

Replacing an old dryer vent may not be high on your list of home repairs, but it’s an issue you shouldn’t ignore. A failing dryer vent will hurt your dryer’s efficiency at best and, at worst, cause it to overheat and become a fire hazard. Because dryer vents are recesses between your home’s interior and exterior, they can potentially allow animals, insects, and cold air inside.

These devices vent the hot, humid air generated by your clothes dryer through a hose and out to the exterior of your house. Dryer vents and hoses are made of durable, flame-retardant materials that can stand up to the intense heat created by your dryer. Most vents have built-in guards that keep mice, birds, and insects from entering your home through the vent.

If the vent on your dryer needs replacing, read on to learn more about how to select a vent that best suits your home.

  1. BEST OVERALL:calimaero Dryer Vent Cover
  2. BEST PERISCOPE VENT:Whirlpool 4396037RP Vent Periscope
  3. BEST RECESSED VENT BOX:Dryerbox Model DB-425
  4. BEST VENT HOSE:iPower GLDUCT4X8C Dryer Vent Hose
  5. BEST VENT CLOSURE:Heartland Natural Energy Saving Dryer Vent Closuree
  6. BEST INDOOR VENT:BetterVent Indoor Dryer Vent
  7. BEST OUTDOOR WALL VENT:calimaero HWG 6 inch External Extractor Wall Vent
  8. BEST OUTDOOR VENT COVER:Deflecto Supurr-Vent Louvered Outdoor Dryer (HS4W/18)

How to install a dryer vent hose

What to Consider When Choosing the Best Dryer Vent

Understanding the parts of a dryer vent, and how and where they’re installed in your home, is essential to choosing the right one. Read on to learn more about how dryer vents work, what types are available, and what factors you should consider when installing one.

Indoor vs. Outdoor

Though you can buy indoor and outdoor types of dryer vents, outdoor vents are the safest and most common. An outdoor vent attaches to the outer wall of your home and connects to your clothes dryer via a hose that is between 4 and 6 inches in diameter. Moist air produced by the dryer travels through the hose and out the vent to the exterior of the home.

Clothes dryers that don’t have access to an exterior wall, such as those in condominiums and apartments, may require an indoor dryer vent. These dryer vents also connect to a dryer via a hose but mount to an interior wall near the dryer as opposed to the home’s exterior. They have filters that trap stray lint before pumping the air back into the room. These filters must be cleaned periodically to prevent clogging. Indoor dryer vents are only compatible with electric dryers because gas dryers release carbon monoxide and therefore must be vented outdoors.

Parts

A dryer vent has two parts: the cover and the hose. The hose connects to the back of the dryer and runs to the vent, which is mounted on the house. On the vent, there’s a cover that protects the opening from the elements and prevents mice and other small animals from getting into the house through the vent. Many vents have a cap that is forced open with hot air from the dryer, allowing the moist air to vent outdoors.

Material

Dryer hoses are made from flexible aluminum foil and steel wire. The hoses are flexible, so you have to bend them to run from dryer to vent. They’re also fire-resistant and can endure the intense heat that dryers create. Do not use vinyl hoses intended for bathroom vents with clothes dryer vents—the dryer’s intense heat can melt the plastic, creating a fire hazard. The dryer vent that attaches to the outside of the home is made from either metal sheeting or durable vinyl or plastic. Indoor dryer vents consist of an aluminum screen that catches lint and a polyester filter that traps smaller dust particles.

Size and Shape

Dryer vents measure about 6 or 7 inches wide and 6 or 7 inches tall with 4- or 5-inch openings. They attach to the home via a square mounting plate with four screws. The hoses that run between the clothes dryer and the vent are generally 4 inches in diameter, but those on larger dryers can be as wide as 6 inches.

Dryer vents come in a few shapes. One of the most common is a louvered vent that sits flush to the side of your house when not in use; angled vents that jut out a few inches from the side of the house are also popular.

Safety

It’s critical to unclog your dryer vents periodically. Dryer exhaust typically carries a significant amount of lint along with it, which can collect in the hose and vent, eventually clogging the airway. This flammable material combined with the heat created by the dryer—which can reach 135 degrees—creates a fire hazard if it builds up. Clean the dryer vent at least once a year to prevent lint from building up in the hose or vent.

Installation

While dryer vents are relatively simple to install, it’s important to remember these key guidelines.

Dryer vent hoses range in diameter from 4 to 6 inches, so make sure you purchase the size that fits your dryer.

Make sure the dryer is pulled far enough away from the wall to prevent kinking the hose, which can restrict airflow or trap lint, causing the dryer to overheat. If clearance is an issue, consider purchasing a vent style that requires minimal space between the back of the dryer and the wall, such as a periscope vent or a recessed vent box.

When installing an indoor or outdoor dryer vent, securely attach the hose to the dryer’s exhaust tube and the vent using galvanized full clamps to prevent it from coming loose.

Our Top Picks

The top picks for the best dryer vents for the home are made of flame-retardant materials, offer excellent airflow, maximize space in small laundry rooms, and have built-in protective flaps and screens.

How to install a dryer vent hose

Installing a new dishwasher does not require a garbage disposal and this optional appliance can be bypassed with particular piping attachments. However, residents must include an air gap within the new dishwasher installation so that the appliance agrees with local regulations. Specific attention to the drain, water supply line, and electrical connections will culminate in a successful installation.

Turn off the household’s water supply at the main valve. This valve is normally located outside in a protected area, such as a patio, or inside the home in the basement or garage.

Turn off the circuit breaker at the main electrical panel that supplies power to the dishwasher area. Verify that the power is off by testing the panel with a non-contact circuit tester device.

Locate piping and wiring access holes in the cabinetry that surrounds the future dishwasher location. There should be at least one access hole between the dishwasher area and the kitchen sink main piping. This access hole is typically located near the back of the dishwasher opening close to the floor. Drill an access hole with a power drill and hole saw, if necessary.

Detach the faceplate at the bottom of the dishwasher with a screwdriver to access the connection points. Each dishwasher model may require a specific screwdriver type, such as a Philips or flat head. Consult the individual washer model’s manual to confirm the necessary screwdriver.

Position the dishwasher near its intended opening, but do not push it into place yet. Allow it to remain outside the cabinet for connection point access. Pull the drain hose from the bottom of the dishwasher and stretch it back toward the rear of the opening.

Drop an air gap into the hole residing on the top corner of the sink and through the countertop. Secure the air gap with a supplied nut and wrench. This air gap hole is typically on the right side of the sink, but it can be on the left, depending on the sink’s manufacturer. The air gap itself should only be visible from down below the counter. Add the top piece of the air gap as specified by the individual manufacturer’s manual. Each air gap manufacturer has a different attachment process.

Curl the drain hose from the dishwasher upward near the back and top of the opening. Attach the hose to the air gap’s straight piping with a hose clamp and screwdriver.

Locate the straight drainpipe on the bottom of the sink’s drain above the trap. Remove the drainpipe from the trap with a wrench. Attach a “Y” fitting between the sink’s drain and the trap. Secure the fitting with a wrench.

Connect another drain hose between the angled pipe on the air gap to the “Y” fitting’s open pipe end above the kitchen sink pipe trap. Secure both ends of the drain hose with hose clamps using a screwdriver.

Remove the hot water valve from the hot water supply line located on the back wall of the cabinetry with a wrench. Hand turn a dual outlet shut-off valve onto the hot water supply line. Tighten with a wrench.

Wrap plumber’s tape around both male threads of the dual outlet shut-off valve. Hand tighten the sink faucet’s water line to one outlet and the dishwasher’s supply line to the other outlet. Tighten both connections with a wrench. It does not matter which outlet supplies which supply line.

Wrap plumber’s tape around the dishwasher’s male thread inlet connection point. Hand tighten the other end of the hot water supply line to this male thread. Tighten with a wrench.

Locate the two electrical wires extending from the back of the opening. These wires should be standard within the home’s new construction. Pull the wires toward the dishwasher, but do not overstretch them.

Twist the white wire from the wall to the dishwasher’s white wire. Secure the connection with a twist-on wire connector. Do the same with the black wires.

Turn the water on at the main valve.

Inspect all water connections around the dishwasher and water supply lines to verify that no leaks are occurring.

Turn the circuit breaker back on at the main electrical panel. Turn on the dishwasher. Allow it to run for an entire cycle to verify functionality.

Push the dishwasher into the opening. Make sure that no wiring and hoses are pinched during the installation process.

Raise and lower the dishwasher with the adjustable feet, using pliers, to get the dishwasher level and plumb with the opening.

Attach the dishwasher to the underside of the counter with screws and a screwdriver.

Reattach the faceplate.

  • Danny Lipford: How to Install a Dishwasher
  • American Standard: Air Gap Installation Instructions
  • Some dishwashers have electrical cords, rather than exposed electrical hard wiring. In these cases, simply plug the dishwasher plug into the electrical outlet instead of twisting the electrical wires together.

Writing professionally since 2010, Amy Rodriguez cultivates successful cacti, succulents, bulbs, carnivorous plants and orchids at home. With an electronics degree and more than 10 years of experience, she applies her love of gadgets to the gardening world as she continues her education through college classes and gardening activities.

The dryer’s transition hose can be an important factor in saving energy. It can also be a critical factor in protecting property and even lives. Why? Dryer-caused home fires have been documented at levels exceeding 14,000 a year. Flammable lint accumulates quickly in every exhaust system (even when the lint filter cleaned with every load). This can create a very real fire danger.

What’s going on behind the dryer?

A big problem faced in laundry rooms is the crush point. Dryers naturally vibrate, or get pushed back against the wall. A transition hose that’s not built strong (like every duct that was previously available before DryerFlex) can restrict airflow and actually increase the rate of lint accumulation.

The DryerFlex Advantage

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Choose the Highest UL Fire Resistance Class

For safety reasons and added peace of mind, only UL2158A listed ducting, like DryerFlex, should be used to connect the dryer’s exhaust system (non-listed hose such as that commonly used to vent bathroom fans should never be used). While building code and dryer manufacturers all require a UL 2158A listed transition duct, there are differences upon further testing. It is very common to find listed material that is fairly safe but does develop smoke and flame spread at lower temperatures. DryerFlex is the only flexible duct that has zero flame spread and zero smoke developed meaning it withstands fire exposure up to 482° with zero development of smoke or fire.