Heat Factory

What Heat Factory does

Heat Factory is a Carlsbad, California-based privately held consumer products company founded in 1993 that manufactures and sells air-activated warmers and heated apparel for outdoor, occupational, and military users. Its core products rely on commodity iron powder oxidation chemistry — the same exothermic reaction used across the hand-warmer category — packaged in formats such as disposable body, toe, and hand warmers, and more recently extended into rechargeable battery-powered heated insoles, heated socks, base layers, and gloves. The company positions itself as the oldest continuously operating brand in the U.S. outdoor warmer category, with a product price range of roughly $12.95 to $89.99 across SKUs.

The business operates a direct-to-consumer channel via a Shopify storefront and a co-branded partnership with Mossy Oak for hunting-oriented apparel, with explicit emphasis on APO/FPO shipping for military and overseas customers. Distribution is otherwise routed through outdoor specialty and sporting goods retail rather than enterprise or B2B contracts. Capital structure is private and undisclosed: no funding rounds, executive team, headcount, or revenue figures are reported in the available data.

The product mix has expanded beyond single-use air-activated warmers into a broader heated apparel ecosystem, signaling a category-extension strategy rather than a pivot. There is no disclosed AI/ML, data, or software component to the offering; competitive differentiation rests on brand longevity, channel partnerships, and assortment breadth within a commodity-technology category.

Name

Heat Factory

Legal name

Heat Factory

Website

https://heatfactory.com

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

11–50 employees

Short description

Heat Factory is a Carlsbad, California-based privately held manufacturer, founded in 1993, that sells air-activated warmers and heated apparel (socks, insoles, base layers) directly to outdoor, occupational, and military consumers via Shopify and outdoor specialty retail.

Ownership category

akta.pro rank

Product category

Consumer Warming Products

akta.pro industry

PRIMARYCRAAALAJ

Cold-Weather & Thermal Protective Workwear

Consumer Products & Retail/Apparel, Footwear & Accessories/Workwear, Uniforms & Safety Apparel

SECONDARYCRAAAAAI

Outerwear & Cold-Weather Apparel Manufacturers

Consumer Products & Retail/Apparel, Footwear & Accessories/Apparel Brands & Manufacturing

SECONDARYIMAOAFAJ

Cold-Weather Accessories Manufacturing (Thermal Sets/Arm & Leg Warmers)

Industrials, Manufacturing & Construction/Textiles, Apparel & Leather Manufacturing/Apparel Accessories Manufacturing (Hats/Gloves/Belts/Scarves)

Keywords

• Air-activated warmers
• Heated apparel
• Disposable hand warmers
• Outdoor warming products
• Heat therapy accessories

Headquarters

HQ city

Carlsbad

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Marketing or Sales, Personnel

Revenue model

1. Air-activated warmers: One-time purchase of disposable air-activated warmers including hand warmers, body warmers, toe warmers, and foot warmers. These provide instant, long-lasting heat when exposed to air through an oxidation process.
2. Battery-powered heated accessories: Reusable battery-powered products including heated insoles with remote control, battery powered hand warmer muffs, and heated apparel with embedded warmer pockets.
3. Heated apparel and accessories: Heated apparel including gloves, mittens, headwear (heated headbands, facemasks, neck gaiters, balaclavas), heated back wraps, kidney belts, and stadium cushions. Some items feature Mossy Oak partnership branding for hunting applications.
4. Variety packs and bundles: Pre-configured packs for specific use cases including outdoor activities, sports events, emergency preparedness, holiday gifts, and military/troop supplies.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels7 records

Core offering

Heat Factory designs, manufactures, and sells disposable air-activated warmers (hand, body, toe, foot, adhesive variants) plus heated apparel and battery-powered heated footwear. Products use iron powder oxidation technology with a biodegradable mix of iron powder, charcoal, salt, sawdust, and vermiculite to deliver safe, odorless heat for up to 20 hours. The line includes heated muffs, headbands, balaclavas, neck gaiters, kidney belts, back wraps, ProFLEX heated insoles with remote, and heated socks.

Product overview

Heat Factory is the oldest and most recognized warmer brand in the outdoor industry, offering air-activated warmers and heated apparel. The core product line consists of hand warmers (10 hours), large body warmers (20 hours), adhesive body warmers (10 hours), toe warmers (6 hours), foot warmer insoles (7 hours), and foot warmers (6 hours) — all utilizing an iron powder, charcoal, salt, and vermiculite oxidation process. These warmers are sold individually and in bulk packs (Big Packs, Variety Sets) for different use cases including outdoor activities, sports events, military/troop care packages, and emergency preparedness. The heated apparel line includes battery-powered hand warmer muffs, hand warmer muffs, heated back & body wraps, heated kidney belts, heated headbands, heated facemasks, heated neck gaiters, and heated deluxe balaclavas — many featuring embedded pockets designed to hold the warmers. The company also offers battery-powered footwear including ProFLEX heated insoles with remote control and heated socks. Based in Carlsbad, California, Heat Factory maintains domestic manufacturing, with many warmers and accessories manufactured and sewn in the USA.

Differentiator

Problem solved

Functional benefit

Products and services

• Hand Warmers (10 Hours) Disposable air-activated hand warmers providing up to 10 hours of safe, non-toxic, odorless heat, made from a biodegradable mix of iron powder, charcoal, salt, sawdust, and vermiculite for outdoor consumers.
• Large Body Warmers Disposable air-activated body warmers providing up to 20 hours of heat, sized 5.5 x 4 inches to fit pockets, jackets, seat cushions, sleeping bags, fanny packs, and hand muffs.
• Adhesive Body Warmer Adhesive-backed air-activated body warmer providing 10+ hours of therapeutic heat for sore muscles, arthritis, stiffness, and stress relief, applied to clothing over target areas.
• Adhesive Toe Warmers (6hr) Half-moon shaped adhesive toe warmers that adhere to the bottom of socks, providing up to 6 hours of heat inside shoes, boots, ski boots, and slippers.
• Foot Warmer Insoles (7hr) Ultra-thin full-length adhesive-backed foot warmer insoles providing up to 6 hours of warmth for walking, biking, hiking, and skiing.
• Foot Warmer (6hr) Air-activated foot warmer designed for restricted air-flow environments such as shoes or boots, providing up to 6 hours of heat, sized to fit Heat Factory Footbeds and Pocket Socks.
• Battery Powered Hand Warmer Muff Battery-powered hand warmer muff delivering instant, long-lasting protection from cold, with embedded pockets and Mossy Oak partnership branding for hunting use.
• Hand Warmer Muff Non-battery-powered fabric muff with embedded pockets designed to hold Heat Factory warmers for portable hand heating.
• Heated Back & Body Wrap Body wrap featuring two pockets that hold Heat Factory Large Warmers for soothing heat therapy over sore muscles and kidneys.
• Heated Black Kidney Belt Kidney belt with embedded warmer pockets for heat therapy and warmth during outdoor activities.
• Heated Headband Heated headband with pocket for holding warmers, providing warmth during outdoor activities.
• Heated Facemask Fleece facemask with embedded warmer pocket for comfortable warmth in cold weather, available in Blaze Orange.
• Heated Neck Gaiter Fleece neck gaiter with embedded warmer pocket for neck and face warmth.
• Heated Deluxe Balaclava Deluxe balaclava with Mossy Oak branding and embedded warmer pocket for full head and neck protection in cold-weather hunting.
• Heat Factory ProFLEX Heated Insoles Battery-powered heated insoles with wireless remote control for adjustable heat settings inside shoes and boots.
• Heat Factory ProFLEX Remote Wireless remote control accessory for adjusting heat settings on Heat Factory ProFLEX heated insoles.
• Heated Socks Battery-powered heated socks providing continuous warmth during cold-weather outdoor activities.
• Reusable Face Masks (3-Pack) 3-pack of reusable drawstring face masks with cord locks, available in Fish Print, Circle Maze, and Blue Wave patterns.
• Hand Warmer Big Pack (12 Pair) Bulk 12-pair pack of Hand Warmers, each providing 10+ hours of heat, designed for storing in cars for emergencies or for outdoor trips.
• Hand & Body Warmer Big Pack (10 Units) Bulk pack containing 10 large Body Warmers for grab-and-go use during family outings, camping weekends, or tailgate parties, each providing up to 20 hours of heat.
• Adhesive Toe Warmer Big Pack (8 Pairs) Bulk 8-pair pack of adhesive toe warmers, each providing 6 hours of heat for use in any shoe or boot.
• Outdoor Warmer Big Pack (Combo) Outdoor activity combo pack containing 6 pairs of Hand Warmers (10 hours), 3 pairs of Toe Warmers (6 hours), and 3 Large Body Warmers (20 hours).
• Holiday Warmer Big Pack (Combo) Seasonal gift pack containing 6 pairs of Hand Warmers, 3 pairs of Toe Warmers, and 3 Large Warmers for cold-weather holiday activities.
• Great Outdoor Pack Variety set for outdoor enthusiasts containing 12 Mini Hand Warmers, 6 Large Warmers, 6 Adhesive Toe Warmers, and Footwarmer Insoles.
• Emergency Pack Emergency survival pack containing 2 glow sticks, 1 mylar emergency blanket, plus warmers for emergency preparedness situations.
• Sports Fan Pack Sports event pack containing 12 pair hand warmers, 6 large body warmers, 6 pair toe warmers, and 2 footwarmer insoles for staying warm at games.
• Troop Pack | 6 Day Supply Military care package containing 12 pairs Hand Warmers, 6 Large Body Warmers, 6 pairs Toe Warmers, and 2 pairs Footwarmer Insoles providing 460+ hours of heat.

Quantifiable outcome

• Hand warmers provide up to 10 hours of heat per use
• +4 more outcomes

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Mossy OakcoreChannel Partner/ Reseller/ DistributorHeat Factory has a partnership with Mossy Oak, a leading camouflage brand for hunting enthusiasts. The partnership allows Heat Factory to manufacture and distribute top-of-the-line huntingwear, including the flagship Mossy Oak Battery Powered Hand Warmer Muff that's guaranteed to keep hunters warm. Products are marketed under the Mossy Oak brand for the hunting demographic.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• HotHands (HeatMax): HeatMax's HotHands is the largest US brand of air-activated disposable warmers, directly competing with Heat Factory's hand warmers, body warmers, toe warmers, and foot warmers on identical oxidation-based chemistry across the same retail and DTC channels.
• Grabber Warmers: Grabber manufactures single-use air-activated warmers using the same iron-powder oxidation chemistry as Heat Factory, serving overlapping outdoor, hunting, and industrial segments with comparable SKUs and bulk pack formats.
• Ororo: Ororo is a direct-to-consumer heated apparel brand selling battery-powered heated jackets, vests, gloves, and base layers—the same higher-AOV heated apparel category Heat Factory is expanding into with its heated headbands, balaclavas, and insoles.
• Gerbing: Gerbing is a long-standing heated apparel specialist (motorcycle, snowmobile, outdoor) that overlaps directly with Heat Factory's heated gloves, insoles, and apparel line and competes for the same cold-weather outdoor consumer.
• Thermacell: Thermacell makes portable outdoor comfort products (heated insoles, heated vests, repellent devices) sold through outdoor retailers like REI and Bass Pro—adjacent to Heat Factory's portfolio and competing for the same outdoor enthusiast shelf space.
• Venture Heat: Venture Heat sells battery-powered heated apparel, gloves, insoles, and liners directly to consumers and through retail—a direct overlap with Heat Factory's heated apparel and battery-powered insoles line.
• ActionHeat: ActionHeat is a heated apparel brand selling battery-powered heated socks, gloves, jackets, and base layers, competing with Heat Factory in both heated apparel and battery-powered heated footwear.

Broad incumbents

• Milwaukee Heated Workwear: Milwaukee Tool's heated workwear line (jackets, hoodies, gloves powered by M12 batteries) competes for tradesperson and outdoor-worker demand that overlaps with Heat Factory's cold-weather protection customer base, though as part of a much broader power-tool franchise.
• DeWalt Heated Workwear: DeWalt's 20V battery-powered heated jackets, hoodies, and gloves target the same cold-weather tradesperson segment as Heat Factory's apparel, leveraging a major tool brand's distribution muscle that dwarfs Heat Factory's reach.
• Bass Pro Shops: Bass Pro Shops is a major outdoor and hunting retailer that sells competing warming and heated apparel brands (HotHands, Grabber, etc.) across its national footprint and represents the type of retail distribution Heat Factory lacks.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/HeatFactory_USA
• Facebookfacebook.com/HeatFactoryUSA
• Instagraminstagram.com/heatfactoryusa
• Pinterestpinterest.com/heatfactoryusa

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Heat Factory