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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 125 reviews
Condition: New
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$46.99
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Availability: 20 left in stock
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Arrives Wednesday, Nov 4
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At a glance

Condition
New
Model
gunsafedehumidifiers-01
Capacity
11 cu ft
Dimensions
3.34"D x 3.34"W x 4.13"H
Weight
1.3 lb
Color
Black
Material
Aluminum
In the box
1X Safe Dehumidifier1X Wire ConnectorsUser Manual
Warranty
1 Year Warranty

Features 5

  • 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- No refills or desiccant rechargingdesigned for low-maintenance continuous operation. 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.

Description

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. 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.

Specs 23

Brand Martronic
Floor Area 3.34 sq in
Color Black
Special Feature 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
Product Dimensions 3.34"D x 3.34"W x 4.13"H
Number of Speeds 1

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Nov 4

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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Top Amazon Reviews


It definitely reduces humidity
I cannot speak to longevity, but after 24 hours in a large safe, it definitely works. See photo for temp and humidity shifts. I like the design better than a standard rod as it does not get overly warm to the touch. It seems well made - time will tell. But so far so good.
Reviewed in the United States on August 2, 2026 by Russell

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

It works
Seems fine been running 3 weeks so far .safe feels a little warmer. Small but efficient
Reviewed in the United States on September 19, 2026 by Connie McDonald

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

Great product and price.
Keeps my small 4 to 6 rifle gun safe dry and warm. Maintains about 50 to 55 % humidity and temperature about 4 degrees above the room temperature. VERY quiet.
Reviewed in the United States on August 9, 2026 by Patrick S.

NOT a dehumidifier
It’s just a tiny heater with a fan. First 24hrs running humidity went up 2% and is just a lot hotter in there.
Reviewed in the United States on September 1, 2026 by Eric

A great add to the gun safe
This is by far my favorite gun safe heater/dehumidifier. Very effective for a big safe.
Reviewed in the United States on September 26, 2026 by Taz

Works great
Was skeptical but this little thing does a great job. Used heating rod for a while and I dropped humidity from 55 to 44%. Heat stays around 75 so I would say it’s a success. Been good for a couple months now and hopefully for a long while.
Reviewed in the United States on September 28, 2026 by Nate V.
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