Best Dehumidifier For Gun Safe In Garage [2024 Review]

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Many gun owners keep their guns safe in the garage to hide from unknown people. But as I know, the garage is prone to humidity when there is no ventilation system. It is a well-known fact that guns can cause mould and rust to grow quickly. This means that if you’re not storing your guns in the proper environment, they’ll be damaged very soon.

A dehumidifier for a gun safe in the garage will help with this problem by removing moisture from the air so it doesn’t get into your weapons. 

To overcome this problem, I need the best dehumidifier for gun safe in the garage place inside to protect my firearms from any mildew, mould, and moisture. 

It is very important to keep your gun safe and the guns inside of it dry. If you live in a humid environment, then you need to get a dehumidifier for your garage.

This will help prevent rust from forming on the metal surfaces which can ruin your investment and make it impossible for you to access any of the contents of your gun safe.

There are mainly 2 types of dehumidifiers available to protect your guns. These are mention below:

  • Electric: It requires electricity to operate these kinds of dehumidifiers to maintain the humid level in control inside the safe. To install inside the unit, you have to drill holes inside the safe and pass the wire running out of the unit to the nearest power unit.
  • Desiccant: If you don’t have any electric power outlet near a gun safe and don’t want to drill holes inside your safe, then a desiccant will be the best option. But remember, you have to charge these dehumidifiers to use them again.

I have discussed both types of dehumidifiers below, which will be the best dehumidifier for a gun safe in a garage.

My top recommendation for the best dehumidifier for gun safe in garage is the LOCKDOWN GoldenRod Dehumidifier. Read on to learn more.

LOCKDOWN GoldenRod Dehumidifier

If you are looking for a reasonable electric dehumidifier for a gun unit, LOCKDOWN GoldenRod Dehumidifier will be your best choice. Made in the USA, this dehumidifier rod comes with a limited lifetime warranty, and it is best to keep inside the unit, closet, home, or any other humid place.

It is the most trusted and old brand designed to remove any condensation and mold without damaging any stored firearms inside the safe. The rod itself produces heat, warming air, and hence makes the gun safe moisture-free.

This rod comes with a 12, 18, 24, 36 inches model according to the safe size. The 12-inch rod protects 100 cu feet, the 18-inch rod protects 200 cu feet, the 24-inch rod will protect up to 300 cu feet, and the 36-inch rod will protect 500 cu feet.

Goldenrod produces a sufficient amount of heat of 150°F/65°C, but you should not touch the rod with your hands when operating gun safe. For every model, the mounting bracket is included to mount vertically or horizontally. This rod can easily keep your safe dry up to 50-60% keeping the guns dry and safe. The power energy used by the rod is very minimum.

  • Last For Many Years
  • Lifetime Warranty
  • Available In Different Model
  • Minimum Energy Use
  • Keeps Safe 50-60% Dry
  • You Will Need Electric Power To Operate
  • You Can’t Touch By Your Hand When It’s Hot

PEET, Dehumidifier, and Dryer for Gun Safes

Peet has come up with an electric dehumidifier that keeps the humidity level at 40-50 percent, removing any moisture buildup. You can set up the Peet dehumidifier at an upright position at the corner of the gun safes easily.

The Peet dehumidifier is operated silently and does not have any fan, which many people got confused about due to its design as there is no fan so that it will be silent. No annoying sound of buzzing will be there. The heat comes out from the top as soon as you turned it on.

In terms of performance, it quietly removes humidity and moisture from your gun safes or gun cabinets up to 80 cubic feet, absorbing less amount of electricity.

This comes with a 5-year warranty, and also, the company claims that its product lasts for many years to come. The instruction provided by the company is difficult to understand. Also, it covers less area to maintain humidity level, so good for a medium-sized safety box.

  • Item Dimension 9L x 7W x 4H Inches
  • 5 Year Warranty
  • Absorbs Low Amount Of Electricity
  • You Can Setup In Few Minutes
  • No Proper Instruction
  • Requires Electricity To Run
  • Due To Its Size Requires More Space

Lockdown Silica Gel with Rechargeable Beads

If you are looking for a gun-safe dehumidifier that does not require any battery or electricity to operate then, Lockdown Silica Gel with Rechargeable Beads will be best for the safety box.

This silica-based canister is a desiccant dehumidifier that absorbs humidity up to 35-45 percent wherever you store this dehumidifier. It is small in size thus will not take extra space in your firearm unit. So, you can say best for your small gun safes where space is always a problem.

When the absorption inside the silica gel completes 100%, the stored beads will turn orange to green. To recharge the beads, you have to bake them in the oven at 225-230 degrees for 3 hours, turning beads again from green to orange. 

So, you have to charge every 30 days when the beads become green. If the climate is more humid and beads become green quickly, you have to charge it frequently. It can absorb 160-200 grams of water vapour within one month after setting it up.

This silica gel is considerably available. Also, it comes with a 1-year warranty.

  • Requires No Electricity And Battery To Operate
  • Easy To Setup And Use
  • Best For Small Gun Safes
  • Rechargeable
  • Comes With Only 1 Year Warranty
  • Sometimes Due To Humidity You Have To Charge Frequently
  • You Will Need Oven To Charge At 225-230 Degree

Eva Dry Wireless Mini Dehumidifier

If you are looking for a small dehumidifier that can be placed in a small gun safe and protect against any humid condition, then have a look at Eva Dry Wireless Mini Dehumidifier.

This unit, once charges fully, will last for almost 25-30 days according to the condition of the atmosphere. If it’s too humid, the beads will become orange to green, indicating you have to recharge them again.

Eva Dry does not require any batteries or electricity to run the unit. It has silica-based crystal gel beads inside the unit, which absorb moisture. Also, it helps in getting rid of any odor build-up inside the safe.

The silica beads absorb moisture from 4 oz to 6 oz, which covers an area of 333 feet wherever you place inside the safe. It is straightforward to set up and can be placed in a closet, gun safe, etc.

The Eva dry has a small transparent glass where I can easily see that beads need to recharge or not. Also, a plug beside the dehumidifier needs to charge for at least 8-12 hours to use inside the safe.

If you have a large safe, then at least two Eva dry dehumidifiers will reduce the unit’s humidity level.

The manufacture claims a 5-year warranty, but you can easily use this safe for up to 10 years without any problem.

  • No Electricity Or Battery Is Required
  • Silent Operation
  • Life Span Of 10 years
  • Comes With 5 Year Warranty
  • There Is A Transparent Glass Indicate Jelly Colour For Charging
  • Take 12 Hours For Fully Charge
  • If Condition Is More Humid, Then You Have To Charge Again And Again

Lockdown Gun Safe Dehumidifier Rod

The Lockdown Gun Safe Dehumidifier Rod is best in quality and also removes any humidity build-up level up to 45-55% easily. This is available in two different sizes according to the size of the safe. The rod comes with a mounting bracket which helps to radiate heat in the entire gun safe.

It is easy to set up in less than 10 minutes as soon the cord is powered into a power outlet. If your safe does not have any hole to wire out, you must drill the small hole to take out the cable. As soon the cable is plugged in, the rod becomes very hot, maintaining inside temperature higher (5 degrees) than outside.

Also, it emits that much heat, which will keep your stored firearms dry. It will never overheat and damage any stored guns or accessories. The only thing which will disappoint you is a low quality plug that comes with this unit. Avoid touching the rod when it is hot.

Lockdown Rod runs on 110v power, which consumes less power and requires no maintenance. It came with a year warranty and is made up of aluminium.

  • Emits Enough Heat To Dry The Safe
  • Light Weight
  • You Can Setup Quickly (In 10 Minutes)
  • Comes With Mounting Bracket
  • Available in 12inch And 18 Inch
  • Requires Little Space
  • Electricity Is Required
  • Very Hot To Touch
  • Only 1 Year Limited Warranty

SnapSafe 75902 Safe Dehumidifier

Snap safe works well to control humidity levels to protect stored firearms from any mildew or rust. The SnapSafe 75902 Safe Dehumidifier is best for a small gun safe and perfectly fits the oven for charging purposes.

This dehumidifier does not require any battery or electricity to run. Just place this canister inside the safe and close the safe; that’s it. When the canister top turns from blue to pink, it indicates you have to recharge to use it again. For charging, you have to put the canister inside the oven at 326ºF for two hours.

It would be best if you heated the oven before placing the canister inside the oven. The charging will take 5-8 hours for a full charge and last for 25-30 days according to weather conditions. If it is more humid, you have to recharge it again with a week.

The best part about snap safe is a lifetime warranty that allows you for lifetime use. The only part which you might regret is you have to charge from the oven whenever the dehumidifier dries completely.

  • Comes With Lifetime Warranty
  • Requires No Battery To Operate
  • Best For Small Safe
  • Unlimited Recharge Capacity
  • Not Best For Large Safes
  • Require Oven To Recharge

Pro Breeze Wireless Mini Dehumidifier:  Best Dehumidifier For Gun Safe In Garage

Pro Breeze Wireless Mini Dehumidifier works the same as other desiccant dehumidifiers. It is made up of a simple design with a silica gel that removes moisture up to 333 cubic feet for at least 20-30 days depending upon the usage.

This dehumidifier does not require any battery or cable to operate. Put this in the closet, wardrobes, gym, and in Gun safes to reduce any moisture. It works silently and has gel-like beads that turn from orange to green, indicating moisture reception is completed.

When moisture absorption is completed, you have to plug in the Pro Breeze for 8-10 hours to charge completely. Although the company claims that stored gel beads are safe for children and pets, it’s always advisable to keep them away from children.

There is a small transparent glass where you can see the color of the beads, which will give you an idea of when to charge the dehumidifier. When you are charging the beads when the beads become green to orange, you can plug it out because it will not automatically turn off.

The dehumidifier is best for small space which has very humid weather. If the room has high moisture conditions, then you have to charge it frequently.

  • Light Weight And Takes Less Space
  • Best For Small Gun Safe
  • Works In Area Of 333 Cubic Feet
  • When Charge Fully Last For 25-30 Days
  • Cordless
  • Beads Pop Up When Overcharged
  • Takes More Time To Recharge

Hornady 95902 Dehumidifier Canister

If you are looking for a simple and easy humidity solution, I recommend going with Hornady 95902 Dehumidifier Canister. It does not require any electricity or battery to work. Hornady works on crystal beads changing color to absorb moisture.

The Hornady technology works by desiccant crystals inside the dehumidifier by absorbing humidity in the air of the gun safe. When it completes the absorption, it changes its color from blue to pink; it’s time to recharge it again. The canister can be charged unlimited times by heating in the oven to remove all the moisture.

While charging, the oven temperature should be 300ºF that will take at least 4-6 hours until the desiccant crystal turns it blue. It is made up of aluminum and has holes around the canister to absorb the heat as much it can. Also, there is a small window where I can see when to charge it again.

The manufacture claims desiccant crystal is non-toxic for pets and children. The item weighs 2.1 pounds and effective 50 cubic feet.

  • Weighs Only 2.1 Pounds
  • Non Toxic Crystals
  • Recharge Unlimited Times
  • Protects From Rust And Corrosion
  • Charging Takes 4-6 Hours For Complete Charge
  • Effective Till 50 Cubic Feet

Remington Mini Dehumidifier (365)

Remington Mini Dehumidifier is a pleasing product to protect your firearms from any humidity. As with other dehumidifiers, it also has silica beads and also requires recharging when beads turn wet. It does not require any cord or battery to operate, and you have to recharge by simply plugging in an electrical unit for at least 8-12 hours.

A full charge will last for 40-55 days according to the condition of the humid condition. Remington comes with a 5-year warranty. In this time period or beyond, you can charge unlimited times. When the beads turn pink from blue, then it’s time to recharge the Remington dehumidifier.

  • No Cord Or Battery Is Needed
  • Warranty For 5 Years
  • Rechargeable
  • Requires Atleast 8-12 Hours Charging

Barska Safe Moisture Absorber Dehumidifier

Barska Safe Moisture Absorber Dehumidifier is the best moisture remover without requiring any electrical power outlet or batteries. This can measure 5 inches by 3 1/2 inches which is best for small closed places.

This can absorb any moisture, mold, dew, etc., in the closet or safe silently. When the blue color turns to pink, it’s time for a recharge. You can recharge this product in the microwave oven for 4 minutes at 600W.

This unit is filled with humidity absorbing silicon dioxide, which is microwave-safe. Always keep your microwave clean from any oil or grease when charging a dehumidifier to protect its fabric.

  • Charges Quickly In 4 Minutes
  • Good For Small Safes
  • Filled With Moisture Absorbing Silicon Dioxide
  • Does Not Require Any Battery Or Electricity To Operate
  • Gets Very Hot While Charging
  • You Can Not Leave Microwave When Its Charging Dehumidifier

How Much Damage Too Much Humidity Can Do?

Buying gun uni these days is very important, and also, it is important to protect stored firearms from any rust, moisture, dew, etc. Now Question comes then How much damage can humidity give to my stored firearms or important documents.

It is not a danger to worry about if the humidity starting to build inside the safe. But it is also a warning sign for stored firearms if you don’t pay attention for a very long time if you have placed your gun safe in the garage.

How to Control Humidity?

You can control the humidity level by buying a good dehumidifier to absorb all the unit’s moisture.

Eva- Dry gun safe dehumidifier

You should place the device properly in the gun safe, and the device will do its work efficiently, removing almost all moisture from it. Let’s discuss how many types of dehumidifiers are available.

Types of Dehumidifiers

There are 3 types of dehumidifiers available in the market. But only 2 are used mainly for a gun safe to keep away any rust or corrosion. 

  • Electric Rod

Electric rode dehumidifiers are used widely for removing any moisture, mould, dew, or corrosion, etc., inside the gun safe. The rod heats up through electrical power and warms the inside air keeping the inside temperature warm from the outside temperature eliminating any moisture.

The electric rod will surely keep your guns completely dry and works very silently. Also, you don’t have to recharge again and again to use it. An electrical power outlet is needed to operate. 

  • Silica Gel

Silica Gel is also known as Desiccant Dehumidifier, which is highly popular for small to medium gun safes. The silica gel dehumidifier does not require any electricity or battery to operate. It absorbs moisture naturally without making any noise.

There are two types of silica gel available in the market. One is recharge silica gel, and the other is single-use silica gel. The one-time use of silica gel is available in eco plastic bags or pouches, disposable as soon as the absorption is over. This type of silica gel can be easy to use.

The recharge silica gel can be used unlimited time again and again without the need for any battery or power plug. There are silicon beads that turn their color when they absorb moisture.

When electric silica dehumidifiers completely change their color, you can recharge from the power outlet’s plugin for at least 8-12 hours to reuse again. A canister silica-based dehumidifier can also be charged by placing it in the heated oven to dry them completely.


There are dryers cum dehumidifiers that work excellent to keep the safe, warm, and humid-free. They release warm air and take moist air inside them, making the humidity level extremely low.

The only downside is you need a hole in the rifle unit to pass the wire to the plug-in electrical outlet. They are electrical dehumidifier and requires electricity to run smoothly.

Buyers Guide for the Best Dehumidifier for Gun Safe

Below are the factors that need to consider before buying the best dehumidifier for gun safes in the garage and anywhere you keep your safe in the house or office.

Dehumidifier Type

Always keep in mind selecting the type of dehumidifier according to your safe. Always check your gun unit size and easy setup. It’s best to check with the best gun safe reviews, to confirm their right specification and needs. If your gun safe is big and has a hole inside for electric wire can pass, then go for an electric rod that can easily eliminate moisture in a large-size gun safe. 

And if the safe is small and does not have holes, then go with the silica-based unit, easily covering the safety box and easy to recharge.


Look at product features and coverage of the dehumidifier you will purchase because each unit has some cubic foot limitation. Minimum cubic feet start from 100 cubic feet (18″) and last up to 500 cubic feet (36″) for a bigger safe.


Of course, go with the dehumidifier, which has a small size, or it should not takes extra space. The best unit will be which removes moisture fully and remain unnoticed in the safe.


If you want a dehumidifier that works for many years and does not require constant charging, always go for an electric rod. And if you are looking for a dehumidifier that works without electrical power consumption, go for a Desiccant dehumidifier.

Evaluate Your Stored Firearms

Always have a look at your stored firearms inside the gun safe. Old guns are affected more by moisture than any other handguns or rifles.

If you have stored any antique or old guns prone to damage by more moisture, then investing in quality and the expensive dehumidifier will be worth it.

Can I Keep My Gun Safe In Garage?

Yes, you can keep your gun safe in the garage without any problem. But there are few points which you should take into consideration while putting the safe in the garage.

  • Mount your safe on the floor to avoid taking the safe with Bulgars. 
  • Install Security Alarm or Security Camera for better security
  • Remember, there will be so much humidity in the garage, so put a dehumidifier inside the unit to avoid an increase in humidity.
  • Always try to hide, so that children or unknown person doesn’t know there is any safe in the house.

Always maintain high protection and low humidity to avoid any problem keeping the stored firearms inside the long gun safe.


Getting the best dehumidifier for a gun safe in a garage requires lots of research and time-consuming. That’s why everything is done for you to make your life easy and also saving your time. The above dehumidifiers are maintenance-free.

James Forrester is a lifelong gun and firearms owner, and an even bigger advocate for gun safety. He created with the purpose of sharing helpful tips and educating others on how to keep guns and weapons safe and secure.