Choice Crusader

3 Best Dehumidifiers for Gun Safes to Keep Your Firearms Safe and Dry

Heads up: We are community-supported. When you buy through our links, we may earn a commission at no extra cost to you.

Think of your gun safe like it's your personal treasure chest, holding all your cool stuff. Just like you'd want strong walls around your treasure, you need a top-notch dehumidifier to keep all that nasty moisture away from your guns.

But with so many options out there, which one do you pick to do this super important job? Hang tight, because I'm about to spill the beans on the three best dehumidifiers that are perfect for making sure your firearms stay dry and in tip-top shape.

MAXSafes Gun Safe Dehumidifier Rod (12in)

gun safe dehumidifier rod

For those seeking an efficient and hassle-free solution to control humidity levels in their gun safes, the MAXSafes Gun Safe Dehumidifier Rod (12in) stands out as a top choice. This electric rod effectively manages humidity in gun safes by slightly increasing the temperature to eliminate excess moisture. With easy installation using snap-on mounting brackets and a plug-in feature, maintaining optimal humidity levels becomes a simple task. Constructed from lightweight aluminum with a golden finish and ETL qualification, this dehumidifier rod measures 12 inches in length, weighing only 0.4 pounds.

Operating at 7 watts continuously, it comes with a one-year unconditional warranty, providing peace of mind to users. Trust the MAXSafes Gun Safe Dehumidifier Rod for effective and reliable moisture control in your gun safe.

Best For: Individuals looking for a hassle-free solution to control humidity levels in their gun safes efficiently.


  • Easy installation with snap-on mounting brackets.
  • Lightweight aluminum construction for portability.
  • Effective in maintaining optimal temperature and humidity levels.


  • Limited to a 12-inch size, may not fit larger safes.

Hornady Reusable Canister Dehumidifier for Gun Safes & Cabinets

gun safe dehumidifier canister

Ideal for both gun safes and cabinets, the Hornady Reusable Canister Dehumidifier stands out with its highly absorbent silica gel and portable design. This black canister, weighing just one pound, is designed to effectively cover spaces up to 50 cubic feet without the need for batteries or electrical equipment.

The canister operates continuously and features a humidity indicator for easy monitoring. Users have praised its simplicity in use and recharging process, although some have reported cosmetic damage upon delivery. To recharge, simply place it in a warm oven at 300°F until the silica gel turns blue, ensuring optimal performance for your firearms' protection. Consider this Hornady dehumidifier for a reliable and reusable solution in maintaining the ideal humidity levels for your gun storage.

Best For: Gun owners looking for a reusable and portable dehumidifier solution to maintain optimal humidity levels in their gun safes and cabinets.


  • Highly absorbent silica gel for effective moisture control.
  • Reusable and portable design for convenience.
  • No need for batteries or electrical equipment, making it easy to use.


  • Some users reported cosmetic damage upon delivery.

Eva-dry E-333 Mini Dehumidifier, Pack of 1, White Sand

mini dehumidifier for eva dry

With its spill and mess-free design, the Eva-dry E-333 Mini Dehumidifier in White Sand is a top choice for gun safe owners looking to keep their firearms dry and secure. This compact dehumidifier is non-toxic and safe for children and pets, absorbing moisture up to 6 ounces in areas of up to 333 cubic feet. The cordless and rechargeable feature allows for convenient use, lasting up to 4 weeks before needing a recharge.

Its small and sleek design makes it suitable for various spaces like closets, cars, and of course, gun safes. Customers appreciate its effectiveness in keeping gun safes dry, ease of use, and versatility in different environments. Just ensure not to overcharge it to maintain its efficiency and longevity.

Best For: Gun safe owners seeking a compact, effective, and child/pet-safe dehumidifier for keeping firearms dry and secure.


  • Spill and mess-free design
  • Non-toxic and safe for children and pets
  • Cordless and rechargeable lasting up to 4 weeks


  • Some reported issues with recharging

Factors to Consider When Choosing a Dehumidifier for Gun Safes

When selecting a dehumidifier for your gun safe, you should consider its size, moisture absorption capacity, power source options, portability features, and recharging methods.

These factors play a crucial role in ensuring your firearms stay protected from humidity and corrosion.

Make sure to assess each aspect to find the most suitable dehumidifier for your needs.

Size Considerations

Consider the size of your gun safe when selecting a dehumidifier to ensure effective moisture control. Match the dehumidifier's capacity with the volume of your gun safe to maintain optimal moisture levels.

Larger gun safes might require multiple dehumidifiers or a larger unit for efficient performance. Compact and portable dehumidifiers are suitable for smaller gun safes with limited space.

Aligning the dehumidifier's capacity with the cubic feet of the gun safe helps prevent moisture damage to your firearms. Make sure to assess your gun safe's dimensions before choosing a dehumidifier to guarantee that it can effectively control humidity levels and keep your firearms safe and dry.

Moisture Absorption Capacity

To ensure effective moisture control in your gun safe, prioritize assessing the dehumidifier's moisture absorption capacity. Higher moisture absorption rates in dehumidifiers are essential for combating varying humidity levels in different environments.

It's crucial to evaluate whether the dehumidifier can handle the specific cubic feet volume of your gun safe to prevent moisture-related damage to your firearms. Opt for a dehumidifier with sufficient capacity to maintain optimal humidity levels in enclosed spaces like gun safes for extended periods.

Power Source Options

Assess the power source options available for dehumidifiers when selecting the best one for your gun safe to ensure effective moisture control and firearm protection.

Electric dehumidifiers like rods or mini units require a power source, usually a standard outlet. Battery-operated dehumidifiers offer portability and can be ideal for remote locations or areas without electricity.

Silica gel canisters, on the other hand, are non-electric and rely on moisture-absorbing properties. Consider the availability of power sources and the convenience of recharging or replacing batteries when choosing a dehumidifier for your gun safe.

Ensuring a reliable power source will help maintain the optimal environment within your gun safe and protect your firearms from moisture damage.

Portability Features

When selecting a dehumidifier for your gun safe, prioritize portability features to ensure easy placement and convenient use. Look for compact and lightweight designs that can fit seamlessly inside gun safes or cabinets without taking up too much space. Opt for cordless and rechargeable options for enhanced portability and versatility, allowing you to place the dehumidifier wherever needed without worrying about power sources.

Consider models with spill and mess-free features for hassle-free maintenance and use in various spaces. Additionally, choose dehumidifiers made from non-toxic materials that are safe for children and pets, making them suitable for home use. For added convenience, select units with long-lasting battery life or energy-efficient operation for extended use before recharging.

Recharging Methods

Prioritize understanding the recharging methods of dehumidifiers for gun safes to ensure continuous moisture absorption and effective protection of firearms.

Silica gel dehumidifiers, like the Hornady reusable canister, can be recharged by placing them in a warm oven at 300°F until the silica gel canister turns blue, indicating readiness.

On the other hand, Eva-dry E-333 mini dehumidifiers can be recharged for up to 12 hours in a dry area to maintain their effectiveness.

Recharging methods vary among dehumidifiers, with some requiring electrical sources while others, like the Eva-dry E-333, are cordless and rechargeable.

Understanding the specific recharging requirements of your dehumidifier is crucial for ensuring continuous moisture absorption and protecting firearms from moisture damage inside gun safes.

Suitable Space Coverage

Consider the coverage area of the dehumidifier in relation to your gun safe size to ensure optimal moisture control and protection for your firearms.

When selecting a dehumidifier, check the manufacturer's specifications for the cubic feet or square footage it can effectively cover. Opt for a dehumidifier with a coverage area slightly larger than your safe to guarantee comprehensive moisture removal.

Matching the dehumidifier's capacity to your safe's size is crucial in preventing excess moisture buildup. Adjustable settings on the dehumidifier enable you to tailor the moisture control to fit your safe's dimensions and the surrounding conditions.

Prioritize finding a dehumidifier that aligns with your gun safe's size to maintain a suitable environment for your firearms.

Warranty Coverage

To ensure comprehensive protection for your firearms in your gun safe, assessing the length and coverage of the warranty provided with the dehumidifier is essential. Look for dehumidifiers offering longer warranty periods, like 1 year or more, to extend peace of mind for your investment.

Evaluate the warranty terms to understand what's covered and any maintenance requirements for validity. Check for additional warranty options or extended coverage plans that may enhance your dehumidifier's protection.

Prioritize dehumidifiers from reputable manufacturers known for reliable customer service and support with warranty claims and inquiries. By considering these warranty factors, you can safeguard your firearms and ensure the longevity of your dehumidifier.

Frequently Asked Questions

Can I Use a Regular Household Dehumidifier in My Gun Safe Instead of a Specific Gun Safe Dehumidifier?

Yes, you can use a regular household dehumidifier in your gun safe instead of a specific gun safe dehumidifier. Just ensure it fits in your safe and effectively controls moisture to protect your firearms.

How Often Should I Replace or Recharge the Dehumidifying Agent in My Gun Safe Dehumidifier?

You should replace or recharge the dehumidifying agent in your gun safe dehumidifier based on the manufacturer's guidelines or when you notice decreased effectiveness. Regular maintenance ensures your firearms remain safe and dry.

Can I Use Multiple Dehumidifiers in a Larger Gun Safe for Better Moisture Control?

Yes, you can use multiple dehumidifiers in a larger gun safe for better moisture control. Placing them strategically can help maintain optimal humidity levels throughout the safe, ensuring your firearms stay dry and protected.

Are There Any Specific Maintenance Tips for Keeping My Gun Safe Dehumidifier in Good Working Condition?

To keep your gun safe dehumidifier in good condition, regularly check for any dust buildup, ensure proper power supply, and replace the desiccant or rechargeable unit as needed. Follow manufacturer's instructions for optimal performance and longevity.

Can a Dehumidifier for Gun Safes Also Help Prevent Rust on Firearms Stored in the Safe?

Yes, a dehumidifier for gun safes can help prevent rust on firearms stored in the safe. By reducing moisture levels, these devices create a drier environment that inhibits rust formation, preserving the condition of your firearms.