What Nexthermal does

Nexthermal is a US-headquartered, private industrial heating elements manufacturer founded in 1986 and operating from Battle Creek, Michigan. The company designs and build-to-orders custom electric heating components — cartridge/rod heaters, coil/cable heaters, Nextflex formable tubular heaters, tubular heaters, Elstein ceramic infrared heaters (under exclusive US distribution), silicone rubber, quartz, and polyimide heaters — alongside temperature sensors, PID controllers, UL-rated wiring harnesses, and SpecView SCADA software for system monitoring. Core engineering differentiators include proprietary distributed wattage algorithms, FEA-based thermal simulation, swaged construction with centerless grinding to ±0.0008" tolerance, and over 80 years of combined in-house engineering experience. Customers include packaging machinery OEMs, plastic injection molding processors, life sciences and medical device manufacturers, die casting operations, and general industrial users, with 100+ application types served. Revenue is generated primarily through custom hardware sales plus, increasingly, engineering services (FEA thermal analysis, prototyping) and integrated sub-assemblies/system solutions, with all pricing quote-based rather than list-driven.

The go-to-market is sales-led: a US regional team of outside technical sales engineers and inside sales engineers handles custom RFQ workflows, supported by a 15-distributor authorized network spanning the US, Canada, and Mexico. Globally, Nexthermal operates wholly-owned manufacturing in Bengaluru, India and a sales office in Dongguan, China, giving it dual-shore (US/India) production capability under a single ISO 9001:2015 quality system with UL, CE, CSA, RoHS, and REACH compliance. Average US lead time for cartridge heaters is approximately 10 business days, and many custom orders ship in two weeks or less. Customer mix is broadly distributed across verticals with named but confidential flagship accounts in food production; no individual customer concentration or revenue figures are publicly disclosed. Marketing is anchored in engineer-to-engineer content (blog, technical articles, webinars, brochures), trade shows including PACK EXPO, PLAST India, and Die Casting Congress, and active social channels (YouTube, Facebook, X, Instagram).

Name

Nexthermal

Legal name

Nexthermal Corporation

Website

https://nexthermal.com

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

101–250 employees

Short description

Nexthermal is a US-based, private manufacturer of custom industrial heating elements — cartridge, coil, tubular, ceramic infrared, silicone, quartz, and polyimide heaters — plus sensors, controllers, and assemblies. It serves packaging, plastics, life sciences, and die-casting OEMs globally via direct sales, a distributor network, and wholly-owned India manufacturing and China sales operations.

Ownership category

akta.pro rank

Product category

Industrial Electric Heaters

NAICS

Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Industrial Design Services (541420)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Heat Exchangers & Thermal Transfer Equipment (IMAHAKAC)

akta.pro secondary industries

Heat Exchangers, Coils & Hydronic HVAC Components (IMADANAF), Thermal Management Components (Heat sinks, TIMs, fans/blowers, thermal pads) (IMAGAJAL)

Keywords

• Industrial electric heaters
• Custom heating elements
• Thermal management solutions
• Cartridge heater manufacturing
• Ceramic infrared heaters

Headquarters

HQ city

Battle Creek

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Heating Elements (Hardware): Nexthermal's primary revenue stream is the manufacture and sale of custom-engineered heating elements including cartridge heaters, coil/cable heaters, Nextflex flexible tubular heaters, tubular heaters, Elstein ceramic infrared heaters, silicone rubber heaters, quartz heaters, and polyimide heaters. Products are custom-configured to customer specifications and sold as build-to-order components. Delivery for many custom orders is 2 weeks or less for US-manufactured products.
2. Thermal Engineering Services: Advanced thermal design and analysis services including FEA simulation, thermal consulting, prototyping, and First Article Inspection. Services can be billed hourly, as fixed contracts, or integrated into product costs. Engineering services do not require a heater purchase and are designed to optimize heating processes.
3. Sub-Assemblies, Assemblies & System Solutions: Nexthermal designs and builds heater-based sub-assemblies and full system solutions integrating heaters, control systems, data collection, communication protocols, power distribution, thermal mass, sensing, and structural components. UL-rated wiring harnesses are offered as add-on certified assemblies.
4. Temperature Controllers and Sensors: Sale of single-zone and four-channel temperature controllers (NEMA 4X/IP-66 rated), temperature sensors (thermocouples, RTDs), and SpecView SCADA software for heating system management.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels7 records

Core offering

Nexthermal designs and manufactures custom-engineered industrial electric heaters and thermal management systems, including cartridge/rod heaters, coil/cable heaters, flexible Nextflex tubular heaters, Elstein ceramic infrared heaters, silicone rubber, quartz, and polyimide heaters, plus temperature sensors, single and multi-zone controllers, and UL-rated wiring harnesses. The company also provides thermal engineering design, FEA simulation, prototyping, and full sub-assembly/system integration services for industrial OEM customers across packaging, plastics, life sciences, die casting, and general industrial applications. All products are custom-built to application specifications and manufactured in the USA (Battle Creek, MI) and India (Bengaluru).

Product overview

Nexthermal is an industrial heating solutions company offering a portfolio of custom-engineered heating elements and thermal management systems. The product lineup centers on six core heater types: Cartridge/Rod Heaters, Coil/Cable/Nozzle Heaters, Nextflex Flexible Tubular Heaters, Tubular Heaters, Elstein Ceramic Infrared Heaters, and Silicone/Quartz/Polyimide specialty heaters. Supporting products include Temperature Sensors and Temperature Controllers (single-zone and four-zone). Add-on modules include UL-Rated Wiring Harnesses and SpecView SCADA software for system monitoring. Services include Thermal Design & Analysis and Assemblies & System Solutions for complete thermal integration. All products are custom-engineered to application specifications rather than pulled from stock, with manufacturing in the USA (Battle Creek, MI), India (Bengaluru), and sales support in China (Dongguan). Applications span packaging, life sciences, plastics processing, and die casting industries.

Differentiator

Problem solved

Functional benefit

Brands

• Nextflex: Form-in-place flexible tubular heaters with same-day shipping availability. Registered Trademark / Servicemark No. 4,038,245.

Products and services

• Cartridge / Rod Heaters Versatile, swaged cartridge heaters available in high and medium watt density configurations, designed for conduction heating applications including injection molding, packaging, die casting, and food manufacturing. Features include distributed wattage options, thermocouple integration (Type J or K), and tolerances down to ±0.0008".
• Coil / Cable / Nozzle Heaters Flexible tubular heaters also known as cable heaters, hot runner nozzle heaters, or spring heaters. Available in profiles including Round, Flat, Flat-Pressed in Brass, Mini-Pressed in Brass, and OD Sheath, with watt densities ranging from 39-96 W/in². Used in plastic injection molding, mass spectrometry, and food tray seal packaging applications.
• Nextflex Flexible Tubular Heaters Form-in-place tubular heaters with flexible solid casing and highly compressed copper powder interior. Ships same day for orders placed before 2PM Eastern. Operating temperatures up to 700°F/371°C, available in 6.0mm, 6.5mm, 8.0mm, and 8.5mm diameters. Manufactured in the USA in Battle Creek, Michigan.
• Tubular Heaters Build-to-order tubular heaters for air, liquid immersion, and metal heating applications. Available as Air Duct Heaters, Finned Tubular, Immersion Tubular, Multi-Bend Tubular, Pre-Bent Tubular, and Plate Heating configurations.
• Elstein Ceramic Infrared Heaters Ceramic infrared heaters from Elstein-Werk, the patent holder and manufacturer. Nexthermal is the exclusive US supplier since 2008. Includes Panel, Rod, Screw, and Variant types with 38 total variations. Temperature capabilities up to 1,000°C. Used in industrial processes, medical technology, food processing, and thermoforming.
• Silicone Rubber Heaters Flexible and conformable heating solutions with thicknesses as thin as 0.9mm. Maximum use temperature up to 482°F/250°C with withstand voltage of 1500V/5s. Features include weather/aging resistance, chemical corrosion resistance, and lifespan up to 10 years. Applications include medical equipment, composites curing, food processing, and freeze protection.
• Quartz Heaters Precision quartz infrared heaters with rapid heating/cooling rates (2.5-7.5°F/sec), medium wavelength output (2.5-6 microns), and standard ratings up to 60W/in². Available in 120V-480V configurations. Applications include moisture removal, disinfection, composite bonding, dental, and water purification.
• Polyimide Heaters Durable and flexible heaters constructed with polyimide material and flexible aluminum core. Regular operation temperature up to 150°C with high-temperature option to 350°C. Available in 12V, 24V, or custom voltages. Applications include semiconductor/electronics, analytical instruments, de-icing systems, and heat treating.
• Temperature Sensors Temperature sensors including Mineral Insulated Thermocouple (Type J or K), Bolt Thermocouple, PT100 RTD, NI120 RTD, Exposed Thermocouple, Washer Type Thermocouple, Lug TC/RTD, and Simple Stem TC/RTD. Engineered with precise tip placement for accurate temperature sensing.
• Temperature Controllers Single-zone and four-zone temperature controllers with IP-66/NEMA 4X rated enclosures. Features include advanced PID control with RS-485 input, USB output, fast 80ms response time, and universal input supporting TC/RTD/linear outputs. Compatible with NextConnect mobile apps.
• UL-Rated Wiring Harnesses Custom UL-rated wiring harnesses for connecting heaters and sensors to control systems. Includes circuit protection, customer-specified plugs, and QR code labeling for inventory management. Manufactured under ISO 9001:2015 certification at multiple global facilities and can be sourced independently of heater purchases.
• Thermal Design & Analysis Services Engineering services using FEA simulation software and dedicated lab facilities to analyze and optimize thermal performance. Includes thermal analytics, energy savings analysis, and confidential new product development. Services can be integrated into final product pricing or provided on hourly/fixed contract basis and do not require a heater purchase.
• Assemblies & System Solutions Sub-assembly, assembly, and complete system solutions integrating heaters, sensors, control systems, and power distribution. Includes articulating heated assemblies, UL-rated wiring harnesses, and thermal mass solutions. Capabilities span control systems, data collection, communication protocols, and conductive/radiant heat integration for OEMs that need end-to-end thermal systems.

Quantifiable outcome

• Assembly improvements have enabled food production companies to improve output by more than 20% in the same manufacturing footprint
• +5 more outcomes

Named customers2 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Feature8 records

Partnerships

One partnership is on record.

• Elstein-WerkcoreTechnology or IntegrationElstein-Werk is the developer, patent holder, and manufacturer of ceramic infrared heaters. Since 2008, Nexthermal has been the exclusive supplier of Elstein Ceramic Infrared heaters in the United States. The ceramic infrared heaters are manufactured in-house by Elstein in cooperation with Nexthermal and customers. Variants of standard products may also be produced per customer requirements. Nexthermal distributes the full Elstein product line including Panel, Rod, Screw, and Variant/Special type ceramic IR heaters.

Scale indicators7 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Tutco Heating Solutions: Tutco manufactures custom open-coil, tubular, and finned electric heating elements for OEM applications. Like Nexthermal, it serves plastics, packaging, appliance, and industrial process customers with engineered-to-spec heating solutions.
• Heatrex: Heatrex designs and manufactures immersion heaters, circulation heaters, and process heating equipment for industrial applications. It is comparable to Nexthermal in the tubular and immersion heater lines serving general industrial and process customers.
• Tempco Electric Heater Corporation: Tempco designs and manufactures custom electric heating elements, temperature sensors, and controls for industrial applications. Its custom-engineering approach and broad heater portfolio make it one of Nexthermal's closest direct competitors in the mid-market OEM segment.
• Chromalox: Chromalox (now part of Spirax Group) is a major industrial electric heater and heat-transfer equipment manufacturer serving process industries worldwide. It competes directly with Nexthermal in cartridge, tubular, and circulation heaters across packaging, plastics, and general industrial applications.
• Durex Industries: Durex Industries is a US manufacturer of custom electric heaters including cartridge, band, tubular, and flexible heaters, with strong presence in plastics processing, packaging, and semiconductor applications — directly comparable to Nexthermal's plastics and packaging focus.
• Watlow Electric Manufacturing Company: Watlow is a large privately held US manufacturer of custom electric heaters, temperature sensors, controllers, and complete thermal systems. It is Nexthermal's most direct competitor, serving the same plastics, packaging, life sciences, and process industries with a comparable custom-engineered model.
• Backer Marathon: Backer Marathon manufactures custom heating elements and assemblies (cartridge, band, strip, tubular, flexible) for OEMs. Its engineered solutions and North American manufacturing footprint make it a direct competitor to Nexthermal across plastics and industrial applications.
• Hotwatt: Hotwatt is a US manufacturer specializing in cartridge heaters, band heaters, strip heaters, and immersion heaters. Its product mix closely mirrors Nexthermal's core cartridge and tubular lines, serving packaging, plastics, medical, and process equipment OEMs.

Broad incumbents

• Spirax Group: Spirax Group owns Chromalox and operates across steam, electric thermal solutions, and peristaltic pumping for industrial customers globally. As the parent of Nexthermal's largest direct competitor, Spirax represents the broad-incumbent competitive backdrop against which Nexthermal's niche custom-heating business competes.

Others

• Elstein-Werk: Elstein-Werk is the German inventor, patent holder, and manufacturer of ceramic infrared heaters. Nexthermal has been its exclusive US distributor since 2008, making Elstein both a strategic partner and the upstream technology provider that Nexthermal complements with its US sales and engineering layer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/Nexthermal
• YouTubeyoutube.com/@nexthermal
• Facebookfacebook.com/profile.php?id=61558471358565
• LinkedInlinkedin.com/company/nexthermal
• Instagraminstagram.com/nexthermal

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles23 records

Subsidiaries2 records

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 Nexthermal