Therm-O-Disc
Sensience (formerly Therm-O-Disc) designs and manufactures sensing, thermal-limiting, and glass-to-metal hermetic components sold to OEMs across HVAC, appliance, transportation, industrial, and aerospace and defense applications, producing nearly one billion components per year.
- Company typePrivate
- Founded1942
- HeadquartersMansfield, United States
- Headcount5,001–10,000
- GTM typeB2B
- OfferingHardware or Manufacturing
What Therm-O-Disc does
Therm-O-Disc, operating under the corporate name Sensience since its 2022 carve-out by One Rock Capital Partners, designs and manufactures sensing, limiting, and sealing components used inside OEM products across HVAC, refrigeration, transportation, appliances, water heating, process and industrial, and aerospace and defense. Its product portfolio is organized across three technology pillars — Sensing Technologies (temperature, gas, and pressure sensors), Safety Limits and Controls (bi-metal disc thermostats, thermal fuses, packaged thermal fuses), and Glass-to-Metal Hermetics (electrical feedthroughs, sight glass, connector blocks, sealed electronic packaging) — supported by in-house capabilities in laser welding, component packaging, temperature profiling, and reliability testing. The company reports production of nearly one billion components per year and operates multiple global manufacturing sites, with a workforce of 5,001–10,000 employees headquartered in Westerville, Ohio.
The business model is a B2B component manufacturer selling into OEM design-in cycles. Revenue is generated through hardware sales under a quote-based pricing structure (not publicly disclosed) via a hybrid go-to-market combining direct enterprise field-sales engagement with major OEMs and a global authorized distributor network for smaller and regional customers. Customer relationships are anchored in long product lifecycles — particularly in safety-regulated appliance, HVAC, and aerospace applications — and the company maintains multiple sub-brands (MICROTEMP®, Therm-O-Disc, Pactrol™, Fusite™, Thunderline-Z) to address distinct product niches. The company has held EcoVadis Silver Medal status for three consecutive years and is actively investing in electronic controls and future sensor platforms, as evidenced by its presence at AHR 2025.
Therm-O-Disc firmographics
Firmographics- Name
- Therm-O-Disc
- Legal name
- Sensience
- Website
- https://thermodisc.com
- Company type
- Private
- Founded year
- 1942
- Operating status
- Operating
- Headcount range
- 5,001–10,000 employees
- Short description
- Sensience (formerly Therm-O-Disc) designs and manufactures sensing, thermal-limiting, and glass-to-metal hermetic components sold to OEMs across HVAC, appliance, transportation, industrial, and aerospace and defense applications, producing nearly one billion components per year.
- Ownership category
- akta.pro rank
Therm-O-Disc industry classification
Industry- Product category
- Thermal Sensing and Protection Components
- NAICS
- Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Motor Vehicle Electrical and Electronic Equipment Manufacturing (336320), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451)
- SIC
- Industrial Instruments For Measurement, Display, And Control (3823), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)
- akta.pro primary industry
- Passenger Vehicle Thermal, Cooling & HVAC Manufacturing (ICE) (IMACAAAL)
- akta.pro secondary industries
- Automotive HVAC Modules & Integrated Climate Units (IMACALAA), Commercial Vehicle Cooling, HVAC & Thermal Management Manufacturing (IMACABAN)
Keywords
Where Therm-O-Disc is headquartered
LocationHeadquarters
- HQ city
- Mansfield
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Therm-O-Disc business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Sensing Components Manufacturing and Sales: Design, manufacture and sale of sensing, limiting and sealing components including temperature sensors, gas sensors, pressure sensors, bi-metal disc thermostats, thermal fuses, and glass-to-metal hermetic products. Components are sold to OEM manufacturers across multiple industries and applications.
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
Therm-O-Disc product offering
Product offeringCore offering
Therm-O-Disc, now operating as Sensience, designs and manufactures engineered sensing, limiting, and sealing components including temperature sensors, gas sensors, pressure sensors, bi-metal disc thermostats, thermal fuses, and glass-to-metal hermetic products. The company produces nearly one billion components annually and supplies them as embedded subsystems to OEM manufacturers across HVAC, refrigeration, transportation, appliances, water heating, process and industrial, and aerospace and defense applications.
Product overview
Sensience (formerly Therm-O-Disc) offers a comprehensive portfolio of sensing, limiting, and sealing components organized as a unified platform-plus-products architecture. The company produces nearly one billion components annually across two core technology pillars: Sensing Technologies (Temperature Sensors, Gas Sensors, Pressure Sensors) and Safety Limits and Controls (Bi-Metal Disc Thermostats, Thermal Fuses, Packaged Thermal Fuses). These are complemented by Glass-to-Metal Hermetic components including Electrical Feedthroughs, Sight Glass, Connector Blocks, and Sealed Electronic Packaging. The Therm-O-Disc brand specifically focuses on temperature sensing and thermal protection products, while the broader Sensience portfolio extends to multiple brands (MICROTEMP®, Pactrol™, Fusite™, Thunderline-Z) serving diverse applications including HVAC, Refrigeration, Transportation, Appliances, Water Heating, Process & Industrial, and Aerospace & Defense.
Differentiator
Problem solved
Functional benefit
Brands
- MICROTEMP®: Brand under Sensience for sensing technologies.
- Therm-O-Disc
- Pactrol™
- Fusite™
- Thunderline-Z
Products and services
- Temperature Sensors Precision temperature sensing components that enable safe, reliable and efficient system control and awareness across HVAC, appliance, transportation, water heating, refrigeration, industrial, and aerospace and defense applications.
- Gas Sensors Sensing components designed to detect gas levels in environmental and industrial applications, used by OEMs for system monitoring and safety.
- Pressure Sensors Components that monitor and measure pressure levels in system applications, supporting process control and equipment protection for industrial and OEM customers.
- Bi-Metal Disc Thermostats Automatic reset and one-shot thermal control devices that provide temperature regulation and protection in appliances, HVAC, and other thermal systems.
- Thermal Fuses One-time thermal protection devices that permanently open to prevent overheating damage in case of failure, used as safety components in electrical and thermal equipment.
- Packaged Thermal Fuses Pre-packaged thermal fuse assemblies designed for easy integration into OEM manufacturing processes.
- Electrical Feedthroughs Glass-to-metal hermetic seals that provide electrical connections through sealed boundaries for critical applications in challenging environments.
- Sight Glass Sealed viewing components that allow visual monitoring of fluid levels and processes in hermetically sealed environments.
- Connector Blocks Sealed electrical connection components designed for reliable connectivity in challenging environments.
- Sealed Electronic Packaging Hermetically sealed enclosures that protect sensitive electronic components from environmental factors in demanding applications.
Companies that use Therm-O-Disc
Customer profileNamed customers7 records
Segments7 records
Ideal customer profiles6 records
Therm-O-Disc technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Therm-O-Disc partnerships and signals
Strategic signalScale indicators3 records
Recent moves6 records
Expansion highlights5 records
Therm-O-Disc competitors and assessment
Company assessmentBroad incumbents
- Honeywell International: Honeywell is a large diversified incumbent whose Sensing & Control Technologies and HVAC components business directly competes with Sensience's thermostats, temperature/pressure sensors, and safety limit devices across HVAC, appliance, and aerospace & defense end markets.
- TE Connectivity: TE Connectivity's Sensors business manufactures pressure, temperature, humidity, and position sensors serving automotive, industrial, and aerospace customers — making it a broad peer to Sensience across transportation sensing in particular, including EV powertrain and battery applications.
- Emerson Electric: Emerson's Climate Technologies segment competes directly with Sensience in HVAC/R thermostatic controls, temperature sensors, and pressure controls serving commercial refrigeration, food retail, and building HVAC OEMs.
- Amphenol (Amphenol Advanced Sensors): Amphenol Advanced Sensors manufactures temperature, pressure, gas, and humidity sensors serving automotive, HVAC, medical, and industrial OEM markets. They overlap with Sensience across transportation sensing, environmental sensor lines, and hermetic packaging.
Direct peers
- Watlow Electric: Watlow is a closely comparable thermal solutions specialist making temperature sensors, heaters, and thermal control components for industrial, semiconductor, and aerospace applications — overlapping with Sensience's process & industrial and aerospace & defense sensing portfolios.
- Sensata Technologies: Sensata is a direct competitor producing pressure, temperature, position, and other sensors for automotive, HVAC, industrial, and aerospace applications. The two companies overlap closely on sensor products, OEM customer base, and end-market exposure across HVAC/R, transportation, and industrial customers.
- WIKA Alexander Wiegand SE & Co. KG: WIKA is a direct peer in temperature and pressure instrumentation, producing sensors and measurement devices for industrial, HVAC/R, and process applications. Their product portfolio overlaps heavily with Sensience's temperature and pressure sensor lines serving similar industrial OEM customers globally.
- Minco Products: Minco is a specialist manufacturer of temperature sensors, heaters, and integrated thermal management components serving aerospace, medical, and industrial OEM customers, closely paralleling Sensience's process & industrial and aerospace & defense sensor offerings.
- Thermik Gerätebau: Thermik specializes in thermal fuses and temperature-limiting devices for appliance, HVAC, and motor protection applications. They compete most directly with Sensience's MICROTEMP thermal fuse and safety limit product lines serving appliance OEMs.
- Jumo Group: Jumo produces temperature sensors, pressure sensors, thermostats, and process control instrumentation for industrial, HVAC, and food & beverage applications — directly comparable to Sensience's process & industrial and HVAC sensor and control portfolio.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat6 records
Key risks5 records
Key highlights7 records
Customer concentration
Therm-O-Disc social profiles
Digital presenceTherm-O-Disc financial estimates
Financial estimateRevenue estimate
Valuation estimate
Therm-O-Disc leadership team
Management profileNumber of profiles
Profiles1 record
Therm-O-Disc funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Therm-O-Disc M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Therm-O-Disc
What does Therm-O-Disc do?
Therm-O-Disc, now operating as Sensience, designs and manufactures engineered sensing, limiting, and sealing components including temperature sensors, gas sensors, pressure sensors, bi-metal disc thermostats, thermal fuses, and glass-to-metal hermetic products. The company produces nearly one billion components annually and supplies them as embedded subsystems to OEM manufacturers across HVAC, refrigeration, transportation, appliances, water heating, process and industrial, and aerospace and defense applications.
Is Therm-O-Disc a public or private company?
Therm-O-Disc is a private company. It is classified as private equity controlled and is currently operating.
When was Therm-O-Disc founded?
Therm-O-Disc was founded in 1942. It employs 5,001 to 10,000 people.
Where is Therm-O-Disc based?
Therm-O-Disc is headquartered in Mansfield, United States, in the North America region.
How does Therm-O-Disc make money?
One revenue line is on record: sensing Components Manufacturing and Sales.
Who are Therm-O-Disc's main competitors?
Broad incumbents on record are Honeywell International, TE Connectivity, Emerson Electric and Amphenol (Amphenol Advanced Sensors). Direct peers are Watlow Electric, Sensata Technologies, WIKA Alexander Wiegand SE & Co. KG, Minco Products, Thermik Gerätebau and Jumo Group.
Does Therm-O-Disc have an API?
No public API is recorded for Therm-O-Disc.
What industry is Therm-O-Disc in?
Therm-O-Disc's product category is Thermal Sensing and Protection Components. Its primary akta.pro industry code is IMACAAAL, Passenger Vehicle Thermal, Cooling & HVAC Manufacturing (ICE), with a secondary code of IMACALAA, Automotive HVAC Modules & Integrated Climate Units. Its NAICS code is 334512 and its SIC code is 3823.