Wet shoes are uncomfortable.

Whether your shoes get damp from rain, sweat, snow, outdoor activities, or long hours on your feet, moisture trapped inside your footwear can make your shoes feel uncomfortable and contribute to unpleasant odors over time.

But not every pair of shoes needs the same type of drying.

If your work boots come home soaked after a long shift, you may need powerful airflow and a longer drying cycle. If you're coming back from a hiking or skiing trip, portability may matter more. And if your shoes are only slightly damp after a normal day, gentle and quiet overnight drying may be a better fit.

So which shoe dryer should you choose?

Airthereal offers three shoe dryers designed for different drying needs:

• SD20: Powerful drying, two-pair capacity, and ozone deodorization

• SD32: Portable drying for home, car, and outdoor adventures

• SD36: Gentle, quiet, energy-efficient drying for everyday footwear

The right choice depends less on which model has the most features and more on how wet your shoes get, how quickly you need them dry, and how you want to care for your footwear.

Why Use a Shoe Dryer?

Shoes can hold more moisture than you might realize.

Sweat from your feet, rain, snow, and outdoor activities can leave moisture inside your footwear even when the outside looks relatively dry.

Simply leaving damp shoes by the door may not always be enough to keep them feeling fresh and comfortable.

A shoe dryer helps remove moisture from your footwear so your shoes can be ready for the next day of work, exercise, travel, or outdoor activity.

But there is an important distinction:

Drying very wet shoes quickly and keeping everyday shoes dry are not always the same job.

If your shoes are soaked, you may need a dryer designed to move more warm air through the footwear.

If your shoes are only slightly damp after daily wear, gentle and continuous drying can be a better fit—especially for footwear that you want to care for carefully over time.

Before You Choose: How Wet Are Your Shoes?

One of the easiest ways to choose a shoe dryer is to think about how much moisture you normally deal with.

Slightly Damp

Your shoes aren't soaked. They simply feel a little warm, humid, or damp inside after wearing them all day.

Best choice: SD36

Wet

Your shoes have noticeable moisture inside after rain, sports, or outdoor activities, but they aren't completely soaked.

Best choice: SD20 or SD32

Very Wet or Heavily Soaked

Your boots or footwear are significantly wet after working outdoors, skiing, heavy rain, or other demanding conditions.

Best choice: SD20

This simple distinction can help you choose a dryer that matches your actual needs instead of simply choosing the most powerful option.

1. Choose SD20 for Fast Drying, Multiple Pairs & Odor Deodorization

Best for: Work boots, ski boots, heavily damp footwear, families, sports gear, and anyone who needs powerful drying.

If your footwear regularly gets very wet, SD20 is the powerhouse of the Airthereal shoe dryer lineup.

Instead of relying on gentle natural convection, SD20 uses warm air and fan circulation to actively move heated air through your footwear.

That makes it a better choice when you need to dry wet shoes more quickly and don't want to wait overnight.

Dry Two Pairs—or More Than Just Shoes

One of SD20's biggest advantages is its four removable and retractable drying tubes.

You can use it to dry two pairs of footwear at the same time, making it especially useful when multiple items need to be dried.

And you don't have to limit it to shoes.

SD20 can also be used with items such as:

• Work boots

• Sneakers

• Ski boots

• Gloves

• Mittens

• Helmets

• Other small pieces of outdoor gear

For example, after a long day outdoors, you can dry a pair of boots while also drying gloves or other gear.

One dryer can take care of more than just your shoes.

Add Odor Deodorization to Your Drying Routine

Moisture and odor often go hand in hand.

SD20 adds ozone deodorization to its drying system, providing an additional way to help address unwanted odors in footwear and gear.

This can be especially useful for people who wear the same work boots for long hours or spend extended periods working in warm or humid environments.

For people who deal with damp, sweaty footwear every day, drying is only part of the routine.

Keeping footwear dry and fresh can also make everyday work and outdoor activities more comfortable.

Important: Ozone should only be used according to the product's safety instructions. The area should be unoccupied by people and pets during ozone treatment, and you should follow the required wait time before re-entering the space.

Flexible Drying Times

SD20 also gives you more control over how long the dryer runs.

Its timer can be set from 30 minutes to 9 hours, allowing you to choose a drying cycle based on how damp your footwear is.

Use a shorter cycle when your shoes only need a quick refresh, or choose a longer cycle when dealing with heavier moisture.

Why Choose SD20?

Choose SD20 if you:

• Need faster drying

• Frequently deal with wet or heavily damp footwear

• Need to dry two pairs at once

• Want to dry shoes and other gear together

• Wear work boots for long hours

• Participate in skiing or other outdoor activities

• Want odor deodorization as part of your drying routine

• Prefer an adjustable timer

SD20 in simple terms: Powerful drying and odor deodorization when you need your footwear ready sooner.

2. Choose SD32 for Travel, Camping & Outdoor Adventures

Best for: Travelers, campers, hikers, skiers, hunters, road trippers, and anyone who needs to dry footwear away from home.

What if your shoes get wet—but you're nowhere near your house?

That's where SD32 stands out.

Instead of focusing primarily on maximum drying power, SD32 is designed around portability and flexibility.

It's compact and easy to carry, making it a practical choice for outdoor activities and travel.

Dry Shoes at Home or in Your Car

One of the most useful features of SD32 is its dual power design.

It can work with:

• 100–240V household power

• 12V car power

That means you can use it at home or take it with you when you're heading outdoors.

Imagine coming back to your vehicle after a rainy hike.

Instead of putting wet shoes into your bag and waiting until you get home, you can start drying them during the drive.

For road trips, camping, hiking, skiing, and other outdoor adventures, that flexibility can make a big difference.

Warm Air in a Compact Design

SD32 uses 36W of power and combines warm air with fan circulation to help distribute heat throughout your footwear.

Its temperature range is approximately 105–140°F, and it can run for up to 12 hours.

That gives you flexibility for both shorter drying sessions and longer drying cycles.

Why Choose SD32?

Choose SD32 if you:

• Travel frequently

• Go camping or hiking

• Enjoy skiing or other outdoor activities

• Take road trips

• Want to dry shoes in your car

• Need a compact and portable shoe dryer

• Want a dryer for both home and outdoor use

SD32 in simple terms: Portable drying for wherever your adventures take you.

3. Choose SD36 for Everyday Shoe Drying

Best for: Everyday sneakers, leather shoes, premium footwear, lightly damp shoes, and overnight drying.

Not every pair of shoes needs powerful, fast drying.

Sometimes, your shoes are simply a little damp after a normal day.

Maybe your feet sweat during work.

Maybe you wore the same sneakers for several hours.

Maybe your shoes picked up a little moisture during a rainy walk.

They're not soaked. They simply don't feel completely dry.

For these situations, SD36 is designed for everyday shoe drying and moisture maintenance.

Not Every Shoe Needs Fast Drying

When choosing a shoe dryer, it's easy to assume that more power and faster drying are always better.

But that's not necessarily the case.

Different shoes have different materials, construction, and care requirements.

For everyday footwear that only has a small amount of moisture after use, you may not need a high-powered dryer.

Instead, a gentler and more consistent drying routine can be a practical way to keep your shoes feeling dry and fresh.

That's where SD36 fits in.

Gentle Heat Without a Fan

SD36 uses natural heat convection rather than a fan.

There is no forced airflow pushing heated air through your shoes.

Instead, SD36 provides gentle warmth—approximately 98–110°F—to gradually help manage everyday moisture.

This means SD36 is not designed to compete with a high-powered dryer when your shoes are soaking wet.

And that's intentional.

SD36 is designed to help keep everyday footwear dry and fresh, rather than rapidly drying heavily soaked shoes.

A Different Approach to Everyday Shoe Care

For footwear that you wear frequently, drying doesn't always have to be an emergency task.

You can think of it as part of your everyday shoe-care routine.

After a normal day of wear, your shoes may still contain moisture from perspiration or a slightly damp environment.

Instead of waiting until the shoes become noticeably wet, you can make drying part of your regular routine.

Wear → Dry → Repeat.

This simple habit can help you start each day with footwear that feels drier and fresher.

Gentle Drying for Everyday and Premium Footwear

Shoes are made from many different materials, including leather, rubber, canvas, wool, microfiber, adhesives, and synthetic materials.

Different materials may have different care requirements.

For footwear that you wear frequently—or footwear that you have invested significantly in—it can make sense to choose a drying method that fits the manufacturer's care recommendations.

SD36's gentle natural-convection design provides an option for people who prefer gradual, low-power drying for everyday footwear.

For leather or specialty footwear, always follow the manufacturer's care instructions.

You May Not Feel the Heat—and That's Okay

One thing to understand about a fanless shoe dryer is that it may not feel like a traditional heater.

You won't hear a strong fan.

You won't feel a powerful stream of hot air.

And you may not notice a dramatic temperature change when you touch the outside of the shoe.

That's because SD36 is designed around gentle natural convection, not forced-air drying.

The goal isn't to make your shoes feel hot.

The goal is to gradually manage everyday moisture and help your footwear stay dry and fresh.

Quiet Enough for Overnight Use

The lack of a fan also provides another major benefit:

SD36 is extremely quiet.

You can place your shoes on the dryer when you get home, turn it on, and let it run while you sleep.

Because SD36 supports continuous operation, there's no need to set a short timer or remember to restart it.

A simple routine can look like this:

Come home → place your shoes on SD36 → turn it on → leave it running overnight → turn it off before heading out the next morning.

For people who wear the same shoes every day, this can become a simple part of their daily routine.

Low Power for Everyday Use

SD36 uses only 36W of power, making it well suited to frequent use.

Instead of treating a shoe dryer as something you only bring out when your shoes are soaked, you can use SD36 as part of your regular footwear routine.

A little drying every day can help manage moisture before it builds up inside your shoes.

Why Choose SD36?

Choose SD36 if you:

• Usually deal with slightly damp shoes rather than soaked shoes

• Want everyday shoe drying

• Prefer gentle drying

• Own leather or premium footwear

• Want a quiet shoe dryer for overnight use

• Prefer low-power operation

• Want to leave your shoes drying while you sleep

• Don't need fast drying for heavily wet footwear

SD36 in simple terms: Gentle, quiet, low-power drying for everyday footwear.

SD20 vs. SD32 vs. SD36: Which One Is Right for You?

Still not sure?

Start with what matters most to you.

If you need...	Choose
Fast drying for wet footwear	SD20
Drying two pairs at once	SD20
Odor deodorization	SD20
Work boot drying	SD20
Drying shoes + gloves or other gear together	SD20
A dryer for camping or hiking	SD32
Drying shoes in your car	SD32
A portable travel dryer	SD32
Everyday shoe drying	SD36
Gentle drying for lightly damp shoes	SD36
Quiet overnight drying	SD36
Low-power daily use	SD36
Everyday care for premium footwear	SD36

A Quick Look at the Differences

Feature	SD20	SD32	SD36
Best For	Fast & powerful drying	Travel & Outdoor	Everyday Shoe Drying
Drying Method	Warm Air + Fan	Warm Air + Fan	Natural Heat Convection
Fan	Yes	Yes	No
Power	290W	36W	36W
Temperature	Up to 110°F	105–140°F	98–110°F
Pairs at Once	2 Pairs	1 Pair	1 Pair
Deodorization	Ozone	—	—
Car Power	—	12V	—
Runtime	30 min–9 hr	Up to 12 hr	Continuous
Ideal Use	Wet boots, work gear, multiple items	Travel, camping, outdoor use	Everyday moisture maintenance

The three models are not simply different versions of the same product.

They are designed around three different approaches to shoe drying.

What If My Shoes Are Very Wet?

If your shoes are soaked after heavy rain, snow, washing, or demanding outdoor work, SD36 is probably not the right choice.

Its fanless, low-power design is intended for gradual everyday moisture management rather than rapid drying of heavily soaked footwear.

For very wet shoes, choose a model with active warm-air circulation instead.

SD20 is the better choice when you need more powerful drying, especially if you have multiple pairs or other gear to dry.

SD32 is a good option when you need active drying but also want the flexibility to use your dryer at home or in your car.

What If My Shoes Are Only Slightly Damp?

If your shoes aren't soaked and your main concern is keeping them dry and fresh after everyday wear, SD36 may be the better fit.

Think of it less as an emergency dryer and more as part of your daily shoe-drying routine.

After wearing your shoes all day:

Place them on SD36 → turn it on → leave it running overnight → start the next day with drier footwear.

For people who regularly wear the same sneakers, work shoes, leather shoes, or premium footwear, this simple routine can be an easy way to manage everyday moisture.

What About Leather or Premium Shoes?

If you have invested in high-quality footwear, drying isn't simply about getting your shoes dry as quickly as possible.

It's also about choosing a drying method that suits the footwear.

Different materials have different care requirements. Leather, specialty fabrics, adhesives, and other components may respond differently to heat and moisture.

For everyday moisture maintenance, SD36's gentle natural-convection approach provides an option for people who prioritize gradual drying and quiet daily care.

If your premium shoes are heavily soaked, however, check the manufacturer's care instructions before using any heated dryer.

A Simple Shoe-Drying Routine

You don't have to wait until your shoes are soaking wet before you start caring for them.

A simple routine can help you manage everyday moisture and keep your footwear feeling fresh.

After Everyday Wear

If your shoes are only slightly damp:

Use SD36 overnight.

Its quiet, fanless design makes it easy to incorporate into your nightly routine.

After Outdoor Activities

If your shoes are noticeably wet after hiking, skiing, camping, or sports:

Use SD32 or SD20, depending on whether portability or drying power is more important.

After Heavy Rain or Wet Work

If your boots are heavily damp or you need to dry multiple items:

Choose SD20.

Its warm-air fan system, multiple drying tubes, adjustable timer, and two-pair capacity make it better suited to heavier drying demands.

The 3-Second Shoe Dryer Guide

If you don't want to think about specifications, remember these three questions:

🥾 Need POWER?

Choose SD20.

Fast drying, two-pair capacity, and ozone deodorization make it the choice for wet footwear, work boots, and multiple pieces of gear.

🚗 Need PORTABILITY?

Choose SD32.

Home power and 12V car power make it a convenient choice for travel, camping, hiking, skiing, and road trips.

🌙 Need QUIET DAILY DRYING?

Choose SD36.

Fanless natural convection, low power consumption, and continuous operation make it ideal for gently drying everyday footwear overnight.

Frequently Asked Questions About Shoe Dryers

Can I use a shoe dryer every day?

Yes, depending on the type of dryer and your footwear.

For everyday moisture maintenance, SD36 is designed for regular use with gentle, low-power natural convection.

If you frequently deal with heavily wet footwear, SD20 or SD32 may be more appropriate depending on your drying needs.

Always follow your footwear manufacturer's care instructions.

How long does it take to dry wet shoes?

Drying time depends on the material, how wet the footwear is, the shoe's construction, and the drying method.

Lightly damp shoes may need much less time than heavily soaked boots.

For heavily wet footwear, active warm-air models such as SD20 or SD32 are better suited to faster drying.

Is a fanless shoe dryer really working?

Yes.

A fanless dryer works differently from a forced-air dryer.

SD36 uses natural heat convection rather than a fan, so you won't hear moving air or feel a strong stream of warm air.

It is designed for gradual moisture management rather than rapid drying.

If your shoes are heavily soaked and you need them dry quickly, choose a forced-air model instead.

Can I leave SD36 running overnight?

SD36 is designed for continuous operation and quiet overnight use.

This makes it convenient for a simple daily routine: put your shoes on the dryer after you get home, leave it running overnight, and have them ready the next morning.

Always use the product according to the user instructions and your footwear manufacturer's care recommendations.

Which shoe dryer is best for work boots?

If your work boots become heavily wet during long shifts, SD20 is the better choice.

Its warm-air fan system provides more active drying, while its multiple drying tubes allow you to dry two pairs or combine footwear with other gear.

The ozone deodorization feature also provides an additional option for odor control.

Which shoe dryer is best for camping and travel?

SD32 is designed specifically with portability in mind.

It supports both 100–240V household power and 12V car power, making it useful for road trips, camping, hiking, skiing, and other outdoor activities.

Can I dry gloves with a shoe dryer?

Yes.

Depending on the model and setup, shoe dryers can also be used with items such as gloves and other small pieces of gear.

SD20 is particularly versatile because its multiple removable and retractable tubes allow you to dry different items at the same time.

Choose the Right Shoe Dryer for Your Lifestyle

A good shoe dryer isn't necessarily the one with the most power.

It's the one that matches your footwear, your routine, and the amount of moisture you normally deal with.

If you need to dry wet boots quickly, choose SD20.

If you need portable drying for your next outdoor adventure, choose SD32.

If your shoes are simply a little damp after everyday wear and you want a quiet, energy-efficient way to keep them dry overnight, choose SD36.

Because sometimes your shoes need to be dried fast.

And sometimes, they simply need to stay dry.

Choose the shoe dryer that fits your routine—and give your footwear the care it deserves.