Mec Addheat

What Mec Addheat does

MEC ADDHEAT CO., LTD. (美上電熱股份有限公司) is a Taiwanese-headquartered manufacturer of wearable heating systems, founded in 2003 and operating from Tainan with a vertically integrated production base in Kaiping, Guangdong (72,000 S.F. facility) and project-sales coverage in Los Angeles. The company designs and supplies carbon fiber-based heating components, temperature controllers, and lithium-ion battery packs, organized around its proprietary CARBON 4.0™ heating system architecture. Engineering centers on low-profile heating elements, smart NTC thermal control with ±1°C accuracy, woven flat power cabling, and 50+ machine-wash/dryer-cycle durability, with recent extensions into Carbon Nano Tube-based elements and patent-pending system redesigns. The product range spans OEM heating modules (3-, 4-, and 5-zone configurations, mid/base-layer, pants, gloves, footwear, waterproof diving, motorcycles, seating, infrared pain relief), more than a dozen lithium battery SKUs from 5V USB to 12V, and a finished-goods catalog of heated jackets, vests, gloves, mittens, ski and work boots, motorcycle gear, diving undersuits, and outdoor cushions.

The business model is OEM/ODM-led: ADDHEAT engages global apparel brands through a structured four-step process (consultation, quotation/prototyping, implementation training at the Guangdong facility, and mass production) under multi-year contracts with project-based pricing. End-consumer finished products are also sold via the company's own product pages, while the aftermarket replacement-battery business is distributed through authorized channel partners (Venture Heat in USA & Canada, Nordic Heat in EU & UK). The company positions itself as the world's largest maker of wearable heating systems for clothing, with 400+ employees, 200,000+ heating module sets of monthly capacity, and certifications including FDA 21 CFR Part 11, ISO 13285, UL, CE, FCC, and UN38.3 across most battery products.

Customer concentration is anchored in enterprise apparel brands and spans multiple verticals: general apparel OEMs (primary), motorcycle gear manufacturers, diving equipment brands, and outdoor/work safety gear brands. Revenue, ownership, and capital structure are not publicly disclosed; the company is privately held with no disclosed institutional investors or funding rounds, suggesting founder/management ownership and reinvested cash flow as the dominant funding mechanism.

Name

Mec Addheat

Legal name

MEC ADDHEAT CO., LTD.

Website

https://addheat.com

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Wearable Heating Systems

NAICS

Small Electrical Appliance Manufacturing (335210)

SIC

Women's, Misses', And Juniors Outerwear (2330)

akta.pro primary industry

Outerwear & Cold-Weather Apparel Manufacturers (CRAAAAAI)

Keywords

• Wearable heating systems
• Heated apparel manufacturing
• OEM heating technology
• Carbon fiber heating modules
• Lithium battery solutions

Headquarters

HQ city

Tainan

HQ country

Taiwan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. OEM/ODM Manufacturing: ADDHEAT develops and supplies carbon fiber-based heating components and system architectures to global apparel brands as an OEM/ODM partner. Revenue is generated through the sale of production-ready heating systems for scalable integration into apparel products.
2. Lithium Battery Sales: In-house designed and built lithium batteries meeting latest safety and performance standards, built specifically for heating applications. UL, CE and other international certifications met for most models.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels2 records

Core offering

MEC ADDHEAT manufactures carbon fiber-based wearable heating systems, including heating modules (3-zone, 4-zone, 5-zone, mid-layer, pants, gloves/footwear), finished heated apparel, lithium battery packs, and smart temperature controllers. The company primarily operates as an OEM/ODM partner, supplying production-ready heating components and system architectures to global apparel brands for integration into branded products. It also sells a finished consumer product line directly and supports replacement batteries through authorized distributors.

Product overview

MEC ADDHEAT is a manufacturer of wearable heating systems for professional apparel applications, offering a comprehensive portfolio centered on its proprietary CARBON 4.0 carbon fiber-based heating technology. The company's offerings include core heating system architectures (3 Zone, 4 Zone, 5 Zone, Mid-layer, and Pants heating modules) that provide the foundational technology for various apparel integration needs. ADDHEAT serves as an OEM/ODM partner for global apparel brands, supplying production-ready heating systems alongside finished consumer products. The finished product lineup spans heated outerwear (softshell jackets, insulated jackets, puffy vests, down parkas, hoodies) in men's and women's versions; heated gloves and handwear (snow gloves, mittens, softshell gloves, glove liners); heated footwear (ski boots, snow/work boots, heated insoles and sock liners); motorcycle heated clothing (jacket liners from 42W to 77W, vests, pant liners, and specialized gloves); waterproof diving heated products (PRO and DRY undersuits); and heated lifestyle accessories (seat cushions, stadium seats, heated scarves, beanies, balaclavas, lumbar support belts, sleeping bag inserts, and camping chairs). The product ecosystem is supported by a comprehensive lithium battery collection (ranging from 5V USB to 12V options, with capacities from 1800mAh to 10000mAh) and complemented by implementation training, R&D laboratory services, and supply chain support.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• 40% less connectors and wiring complexity
• +4 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature5 records

Partnerships

Two partnerships are on record, tiered minor.

• Venture HeatminorChannel Partner/ Reseller/ DistributorAuthorized partner for USA & Canada market providing compatible replacement batteries for ADDHEAT-powered heated apparel products.
• Nordic HeatminorChannel Partner/ Reseller/ DistributorAuthorized partner for EU & UK market providing compatible replacement batteries for ADDHEAT-powered heated apparel products.

Scale indicators6 records

Recent moves10 records

Expansion highlights6 records

Direct peers

• Venture Heat: US-based heated apparel brand selling jackets, gloves, and base layers to consumer and OEM channels. Already operates as ADDHEAT's authorized replacement-battery partner for USA & Canada, but also competes in the same heated apparel end-market with comparable product categories.
• Ororo: Direct-to-consumer heated apparel brand offering jackets, vests, hoodies, gloves, and base layers with battery-powered heating. Targets the same consumer heated-apparel end-market as ADDHEAT's finished products, though with a DTC-led model rather than OEM/ODM.
• Mobile Warming (Fieldsheer): Heated apparel specialist under Fieldsheer focused on 12V motorcycle gear (jackets, gloves, pants, socks) plus a consumer heated apparel line. Closely overlaps with ADDHEAT's motorcycle and outdoor heated clothing segments using similar voltage-system architectures.
• Warm & Safe: Heated gear specialist focused on 12V motorcycle apparel (jackets, gloves, pants liners) powered by the bike's electrical system. Direct overlap with ADDHEAT's motorcycle-heated-clothing segment in technology and target rider demographic.
• Snow Deer: Heated apparel brand specializing in battery-heated jackets, vests, gloves, socks, and base layers for outdoor and motorcycle use. Directly comparable product mix and price points in the consumer heated apparel category.
• Volt Resistance: Heated apparel brand offering battery-heated jackets, vests, gloves, and base layers for outdoor work and recreation. Directly comparable consumer product line in the same voltage-system categories as ADDHEAT's heated apparel output.
• Gerbing's Heated Clothing: Long-established US heated apparel brand focused on motorcycle and outdoor gear using carbon fiber and microwire heating elements. Directly comparable as a heated apparel specialist competing for the same OEM partnerships and end-consumer demand across motorcycle and outdoor segments.
• Therm-ic: European specialist in heated insoles, socks, and gloves using battery-powered heating systems for ski and outdoor use. Overlaps directly with ADDHEAT's footwear/hand heating modules and ski boot heating categories.

Broad incumbents

• Milwaukee Tool (TTi Group): Global power tool leader (parent: Techtronic Industries) that has awarded ADDHEAT for quality and is expanding heated workwear as a category. Larger incumbent with much broader product portfolio but overlapping heated apparel/workwear end-use.
• DeWalt: Major power tool brand offering heated jackets, hoodies, and workwear as part of its broader professional tools portfolio. Comparable end-use application (heated workwear) but as part of a much wider industrial product lineup rather than a focused heating specialist.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/mecaddheat
• LinkedInlinkedin.com/company/mec-addheat

Compliance10 records

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 Mec Addheat