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Gun Safe Dehumidifier Electric, Dehumidifier for Gun Safe Dryer, Plug in Gun Safe Heater, 360° Heating Circular Air with Built-in Fan

  • Based on 86 reviews
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Availability: 20 left in stock
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Arrives Monday, Jul 20
Order within 21 hours and 27 minutes
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Features

  • Save Your Guns - No sticky triggers, just crisp steel, smooth mechanisms. Our gun safe dehumidifier actively circulates warm air inside your safe, raising the internal temperature just enough to disrupt moisture buildup before it starts, which repels rust and preserves both function and value.
  • Dual-Action Defense: Heat + Active Airflow = Total Moisture Control- Most dehumidifiers just sit there ours fights back. While traditional heating rods rely solely on passive convection, our gun safe dryer combines precision heating with an integrated silent fan to force moist air out through door gaps and seals. Shielding guns, ammo, documents, and heirlooms from ruin.
  • Set It & Forget It: True Maintenance-Free Protection- Theres no refills, no moving parts to replace. Simply plug it into any standard outlet, route the cord through an existing or drilled hole, and switch it on. From that moment forward, it runs silently 24/7. Perfect for busy owners, collectors.
  • Effortless Installation in Minutes - Feed the power cord through a pre-drilled hole (or make one with a hand drill), plug it in, and position the unit on the floor or shelf. Its compact profile fits almost any safe layout without blocking access or shelves. And because it draws less power than a bulb, youll never worry about energy costs making it cheaper and far more effective than disposable silica packs.
  • Compact for Gun Safes (3.511 cu ft) - At only D*H:3.34*4.13 inches, it tucks neatly into small pistol safes or larger vaults alike.

Description

Comfort Made Simple. At Martronic, we engineer comfort. Bridging the gap between industrial precision and home living, we specialize in designing professional-grade lighting solutions and advanced dehumidifiers. Our team is driven by a collective of skilled engineers and dedicated researchers obsessed with one goal: taking complex technology and turning it into a simple, effortless user experience for your home. Are you always worried about your gun or the values being ruined by the moistry? The age-old problem of unwanted moisture damaging expensive guns while stored in safes and cabinets has been resolved. Protect your firearms, valuables, and gear with the Gun Safe Dehumidifier with Heating & Fan Function — a compact, electric, plug-in solution designed to combat moisture and prevent rust and corrosion in gun safes, cabinets, and storage units. This safe dryer gently raises the internal temperature to create a natural convection airflow, which circulates warm, dry air while pushing cooler, moist air downward and eventually out of the safe. This slow but effective process lowers the relative humidity to a safe range (typically 45–55%). Q1: Can I use this dehumidifier without drilling a hole in my safe? Yes, if your safe already has a pre-drilled cord access hole, simply feed the power cord through it. If not, you can drill a small hole with a hand drill. Many gun safes come with factory cord ports. Is this safe for ammunition storage too? Absolutely. The unit maintains a low, steady temperature that prevents moisture buildup without reaching levels that could affect ammo. It protects guns, ammunition, documents, and heirlooms equally well. How does this compare to silica gel desiccant packs? Unlike silica packs that need frequent replacement or recharging, this runs 24/7 with zero maintenance. It's more cost-effective long-term and provides consistent protection without you having to check or replace anything. Is this better than a traditional heating rod? Yes. Heating rods rely on passive convection — heat rises but doesn't circulate. Our unit combines heating with a built-in fan that actively forces moist air out, providing more complete moisture control in spaces up to 11 cu ft. Does it work in a garage where humidity gets very high in summer? Yes, it's especially effective in garages and humid climates. The fan actively pushes moist air out through door gaps. Customers in high- humidity areas like East Texas, South Carolina, and Florida report excellent results. I'm a new gun owner — is this easy to install? Will this fit in a small pistol safe? Very easy! If your safe has a cord hole, just feed the cord through, plug it in, and you're done — about 5 minutes. If there's no hole, the included wire connectors make splicing simple. Yes, at only 3.34" diameter and 4.13" tall. Is this dehumidifier noisy? Does it get too hot? I'm worried about damaging items in my safe. No, it's designed to run silently. Multiple reviewers confirm they can't hear it over ambient noise. It won't interfere with your household or garage. No. The unit produces gentle warmth.It will not damage guns, ammo, documents, or other stored items I live in a very humid climate (Florida/Gulf Coast). Will this work? Yes, high-humidity regions are exactly where this product shines. The combination of gentle heating + fan circulation actively combats the heavy moisture levels common in Florida, the Gulf Coast, and other tropical or subtropical areas. How much power does it use? Will it increase my electric bill? It draws less power than a standard lightbulb. Designed for 24/7 continuous operation with minimal energy cost — far cheaper than constantly replacing silica gel packs. Does it come with everything I need for installation? Yes — the package includes the dehumidifier unit, power cord, wire connectors for cord splicing, and a user manual. No additional tools are required beyond a hand drill if your safe lacks a cord port.

Brand: Martronic


Floor Area: 3.34 Square Inches


Color: Black


Special Feature: Compact Safe Dehumidifier, Gun Cabinet Dehumidifier with Bult-in Fan, Safe Dehumidifier, Safe Dryer, Safe Heater See more


Capacity: 11 cubic feet


Tank Volume: 11 Cubic Feet


Product Dimensions: 3.34"D x 3.34"W x 4.13"H


Recommended Uses For Product: Gun Safe


Included Components: 1X Safe Dehumidifier, 1X Wire Connectors, User Manual


Item Weight: 1.25 Pounds


Floor Area: 3.34 Square Inches


Other Special Features of the Product: Compact Safe Dehumidifier, Gun Cabinet Dehumidifier with Bult-in Fan, Safe Dehumidifier, Safe Dryer, Safe Heater


Capacity: 11 cubic feet


Tank Volume: 11 Cubic Feet


Wattage: 16 watts


Operation Mode: Continuous


Smart Home Compatibility: Not Smart Home Compatible


Voltage: 110 Volts (AC)


Item Dimensions D x W x H: 3.34"D x 3.34"W x 4.13"H


Item Weight: 1.25 Pounds


Recommended Uses For Product: Gun Safe


Brand Name: Martronic


Included Components: 1X Safe Dehumidifier, 1X Wire Connectors, User Manual


Model Name: gunsafedehumidifiers


Model Number: safe dehumidifiers


Warranty Description: 1 Year Warranty


Part Number: safe dehumidifiers


Item Type Name: Safe Dehumidifier


Color: Black


Material: Aluminum


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Jul 20

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • It absolutely works!
My gun safe went from 69% humidity to 43% in a matter of about 1.5 hours and maintains that level. A fan pulls in humid air from the top of device which is then heated and released as dryer air from slits on the bottom sides of the device. - No set up required. Simply plug in the device and watch the humidity level drop. - Super quiet - Safe to the touch. It doesn't get so hot that you can't touch it. Definitely worth buying. ... show more
Reviewed in the United States on June 19, 2026 by D.M.

  • Got the temperature and humidity under control. Got the temperature and humidity under control.
The first one I received appeared to be a returned item as the cord was not wound up like a new unit would be. I plugged it in an my counter and noticed that the fan did not spin. It would just move about an 2 degrees then stop. I left it on the counter to test and after about an hour the unit was really hot to the touch and the fan was still not turning. I applied for an exchange and returned the faulty unit. The replacement arrived and didn't appear to be a used item. The fan spun immediately like I expected. I placed it in my safe in my garage and within a day got the internal to 64 to 65 degrees. It now fluctuates between 65 to 69 where it used to fluctuate between 58 to 60. It also lowered the humidity. I attached a screenshot showing the change as recorded from my Govee remote temperature and humidity sensor in the safe. I am really happy with the unit once I received a new and not used/broken unit. I really like that it doesn't need silca gel packets that have to be replaced or refreshed. ... show more
Reviewed in the United States on February 5, 2026 Reviewed in the United States on February 5, 2026 by Bamsch

  • Reliable
Been using for about 4 months. It’s still running strong and doing the intended job.
Reviewed in the United States on April 11, 2026 by Jeff

  • Nice heated
This unit works very well, used to use the beads and had to reheat every month. This does away with that.
Reviewed in the United States on June 21, 2026 by Jon M.

  • Must have
Excellent product. Quite and does a great job.
Reviewed in the United States on June 6, 2026 by William M Jackson III

  • Great
Keeps my 42 gun safe humidity below the room humidity. When the room is at a humidity of 60 my safe will be around 40. Does also heat up the safe temperature a few degrees above room temp. but that’s not an issue. It’s very quiet. Can’t hear it at all.
Reviewed in the United States on July 6, 2026 by Roach

  • Works great, until it doesn't...
Worked great for 45 days, using it 50% of the time. Then the fan started making a lot of noise until if finally locked up. Do yourself a favor a just buy a Goldenrod, no fan to fail.
Reviewed in the United States on May 17, 2026 by Yoyo

  • Nice add on to my safe! Very effective! Nice add on to my safe! Very effective!
So far so good! I’ve been using it for a couple of days in my safe and the change is noticeable. Humidity went down 10% in just 1 night. Temperature the same, went all the way to 80 degrees. I wasn’t optimistic when I saw this product out of the box. It is small, quiet and you barely can feel the air going out of the fan but, it’s effective! And my safe is triple the size recommended for the product. ... show more
Reviewed in the United States on March 11, 2026 Reviewed in the United States on March 11, 2026 by Jose

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