Carrier Global
A global provider of heating, ventilation, air-conditioning, refrigeration, and related building solutions.
Last updated November 4, 2026
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Overview
Carrier Global Corporation is a United States-based multinational focused on climate-control and building technologies. Its principal activities have historically covered heating, ventilation and air conditioning (HVAC), commercial and transport refrigeration, fire protection, and security systems. The company serves residential customers, commercial building owners, industrial users, food and pharmaceutical supply chains, and other organizations that depend on controlled indoor environments or temperature-sensitive logistics. The business traces its origins to Willis Carrier, the engineer widely credited with developing modern mechanical air conditioning. Carrier and six other engineers established the Carrier Engineering Corporation in 1915 after Carrier's previous employer, Buffalo Forge, decided to concentrate on manufacturing. The early company developed equipment for industrial and commercial applications, including systems capable of controlling temperature and humidity in difficult environments. Its work helped establish air conditioning as an industrial process as well as a comfort technology. Carrier later expanded from engineered systems into a broader portfolio of heating, cooling, refrigeration, and building-service products. Carrier's corporate history includes several periods of consolidation and ownership change. It merged with Affiliated Gas Equipment in 1955, gaining brands and businesses associated with residential heating. United Technologies Corporation acquired Carrier in 1979. For much of the following four decades, Carrier operated within the UTC portfolio alongside other aerospace, building, and industrial businesses. In 2013, Carrier, Otis, and UTC's fire and security operations were grouped into UTC Building & Industrial Systems; after Otis was separated in 2016, the remaining operations formed UTC Climate, Controls & Security. Carrier became an independent public company in 2020 when UTC completed the separation of Carrier and Otis. The spin-off created Carrier Global Corporation as a standalone company and placed greater emphasis on building efficiency, electrification, indoor air quality, digital controls, and sustainability. Carrier has continued to operate internationally through a combination of its own manufacturing and engineering sites, distribution channels, dealers, contractors, and acquired brands. Its portfolio has included residential air conditioners, furnaces, heat pumps, thermostats, indoor-air-quality products, commercial chillers, rooftop systems, building automation, energy-management technologies, transport refrigeration, cold-chain monitoring, and commercial refrigeration. Carrier has also owned or operated brands such as Bryant, Payne, Carrier Transicold, Sensitech, CIAT, Riello, Automated Logic, and other regional HVAC and controls names. The precise brand portfolio has changed as the company has acquired, divested, or reorganized businesses. In 2023, Carrier announced an agreement to acquire Viessmann Climate Solutions, the climate-solutions division of the Viessmann Group. The transaction was part of a strategic effort to strengthen Carrier's position in heat pumps, sustainable heating, and European climate technologies. During the same broader portfolio reshaping, Carrier agreed to divest commercial refrigeration and most of its fire and security businesses. In December 2023, Honeywell acquired Carrier's security businesses LenelS2, Onity, and Supra. In 2025, Carrier announced the planned sale of its Industrial Fire division to Sentinel Capital Partners. Carrier's current identity is therefore that of a focused climate and building-solutions company rather than the more diversified UTC operating group from which it emerged. Its strategic themes include energy efficiency, decarbonization, heat-pump adoption, connected building management, indoor air quality, and resilient cold chains. The company remains active across international markets, although its exact business…
History
Willis Carrier's work in humidity and temperature control provided the technical foundation for the company that bears his name. In 1902, while working for Buffalo Forge, Carrier developed a system for controlling air temperature and humidity for a printing plant. The invention addressed an industrial production problem, but it also established principles that later made modern air conditioning possible. In 1908, the Carrier Air Conditioner Company of America was formed as a Buffalo Forge subsidiary, with Carrier serving as vice president. In 1915, Buffalo Forge changed its business priorities, prompting Carrier and six other engineers to establish the Carrier Engineering Corporation as an independent enterprise. The founders pooled capital and began developing equipment for industrial, commercial, and institutional customers. The company purchased its first factory in Newark, New Jersey, in 1920. Its early projects demonstrated that air conditioning could solve specialized production and environmental problems, not merely provide personal comfort. Among the notable early applications was a system for a London film studio that removed fog and stabilized the studio environment for filming. Carrier expanded its product scope and corporate presence during the mid-twentieth century. Its 1955 merger with Affiliated Gas Equipment brought businesses and heating brands including Bryant, Day & Night, and Payne into the broader organization. The company increasingly combined air conditioning with heating and related residential equipment. In 1979, United Technologies Corporation acquired Carrier, making it part of a larger industrial group. During the 1990s and 2000s, Carrier used acquisitions and internal restructuring to broaden its international and technical capabilities. International Comfort Products was acquired in 1999. Carrier acquired Linde's refrigeration subsidiary in 2004 and Sensitech in 2006, adding cold-chain monitoring and logistics technologies. It also acquired Environmental Market Solutions in 2008, extending its capabilities in environmental and green-building consulting. Carrier manufacturing and engineering operations became increasingly international, while some older United States manufacturing sites were reduced or reorganized. The company became involved in a prominent United States manufacturing debate in 2016. Carrier had announced that it intended to close its Indianapolis factory and transfer production to Monterrey, Mexico, citing cost and pricing pressures and the strength of its Mexican supplier base. After public intervention by President-elect Donald Trump and Vice President-elect Mike Pence, Carrier announced an agreement to retain gas-furnace manufacturing and engineering and headquarters personnel in Indianapolis. The arrangement was associated with an Indiana incentive package. The company subsequently reduced employment at the plant, and later reporting questioned whether the agreement had postponed rather than eliminated the longer-term pressure to move production. Organizational changes continued within United Technologies. In 2013, Carrier, Otis, and UTC Fire and Security were combined under UTC Building & Industrial Systems. After Otis was separated in 2016, the remaining operations became UTC Climate, Controls & Security. In 2018, United Technologies announced that this business would be separated, and the transaction was completed in 2020. Carrier Global then operated as an independent public company, with its own capital-allocation and portfolio strategy. Following the spin-off, Carrier emphasized climate-related technologies, building efficiency, electrification, indoor air quality, connected controls, and cold-chain performance. It also began simplifying its portfolio. In 2023, Carrier agreed to acquire Viessmann Climate Solutions, strengthening its exposure to heat pumps and sustainable heating in Europe. Carrier simultaneously pursued the divestiture of commercial refrigeration and most fire and security operations. Honeywell acquired the LenelS2, Onity, and Supra security businesses in December 2023. In 2025, Carrier announced the planned sale of its Industrial Fire division to Sentinel Capital Partners. Carrier's history reflects the evolution of environmental control from a specialized industrial process into a global infrastructure industry. The company continues to supply equipment and services through residential, commercial, industrial, transport, and distribution channels, while adapting its portfolio to energy regulation, decarbonization, digitization, and changing patterns of global manufacturing.
- 2025
Industrial Fire sale is announced
[1]Carrier announced the planned sale of its Industrial Fire division to Sentinel Capital Partners.
- 2023
Carrier agrees to acquire Viessmann Climate Solutions
[1]Carrier announced an agreement to acquire Viessmann Group's climate-solutions division.
- 2023
Carrier sells three security businesses to Honeywell
[1]LenelS2, Onity, and Supra were sold to Honeywell as part of Carrier's portfolio simplification.
- 2020
Carrier becomes independent
[1]The spin-off from United Technologies was completed, establishing Carrier Global as an independent public company.
- 2018
UTC announces Carrier spin-off
[1]United Technologies announced that UTC Climate, Controls & Security would be separated as Carrier Global Corporation.
- 2016
Carrier Indianapolis production plan becomes a national political issue
[1]Carrier announced a proposed move of Indianapolis furnace production to Mexico and later reached an agreement to retain some production and jobs in Indiana.
- 2013
Building and industrial businesses are consolidated
[1]Carrier, Otis, and UTC Fire and Security were combined into UTC Building & Industrial Systems.
- 2006
Sensitech is acquired
[1]The acquisition added logistics, tracking, and temperature-monitoring capabilities for cold-chain applications.
- 2004
Linde refrigeration subsidiary is acquired
[1]Carrier acquired Linde's refrigeration subsidiary, strengthening its commercial and industrial refrigeration activities.
- 1999
International Comfort Products is acquired
[1]Carrier acquired International Comfort Products, expanding its residential HVAC portfolio.
Products and positioning
A global climate, HVAC, refrigeration, and building-technology company emphasizing energy efficiency, indoor comfort, cold-chain reliability, connected controls, and lower-carbon solutions.
Residential HVAC
Carrier Residential
Carrier's residential portfolio includes air conditioners, furnaces, heat pumps, thermostats, and indoor-air-quality equipment. Products are sold and installed through dealer and contractor networks and are designed around home comfort, humidity management, efficiency, and increasingly electrified heating. The offering has historically included multiple performance tiers so that homeowners can choose among basic, high-efficiency, and connected systems.
Commercial HVAC and building systems
Carrier Commercial
Carrier Commercial serves offices, schools, retail properties, healthcare facilities, industrial sites, and other large buildings. Its systems include chillers, rooftop units, air handlers, heating and cooling equipment, building controls, and energy-management technologies. The business combines equipment with engineering, service, and digital capabilities intended to improve occupant comfort, operational reliability, and energy performance.
Transport refrigeration
Carrier Transicold
Carrier Transicold provides refrigeration equipment for refrigerated trucks, trailers, containers, and other transport applications. Its systems help maintain controlled temperatures while food, medicines, and other perishable products move between producers, distribution centers, retailers, and end users. The line is part of Carrier's broader cold-chain heritage and has included connected monitoring and fleet-management capabilities.
Cold-chain monitoring · 2006
Sensitech
Sensitech supplies monitoring, tracking, and data technologies used in temperature-sensitive logistics. Its solutions can provide visibility into shipment conditions across food, pharmaceutical, and healthcare supply chains. The business supports quality assurance and regulatory traceability by helping customers identify temperature excursions, document handling conditions, and manage risks associated with perishable goods.
Building controls and energy management
Carrier Building Automation
Carrier's building-automation activities include controls, monitoring, and energy-management tools for commercial and institutional facilities. These technologies coordinate HVAC equipment with building schedules, occupancy conditions, alarms, and energy objectives. The portfolio has included Automated Logic and related Carrier controls businesses, although individual assets and brand ownership have changed through corporate restructuring.
Sustainable heating and climate technology · 2023
Viessmann Climate Solutions
Viessmann Climate Solutions became a major strategic addition to Carrier's climate portfolio through the announced 2023 transaction. The business is associated with heating, heat pumps, and sustainable climate technologies, particularly in Europe. Its role in Carrier's strategy is to strengthen exposure to electrification and lower-carbon heating, subject to the completion and integration of the transaction.
Controversies
2022
SentriLock sues Carrier over alleged patent infringement
SentriLock announced that it was suing Carrier Global in U.S. district court. SentriLock alleges that Carrier knowingly copied and commercialized SentriLock's patented lockbox technology. The supplied article reports allegations only and does not provide a court determination.
Marketing campaigns
- 2016Keep Carrier in Indiana
United States
Carrier's announced plan to move Indianapolis furnace production to Mexico became a high-profile United States political and manufacturing issue. Following intervention by President-elect Donald Trump and Vice President-elect Mike Pence, Carrier negotiated an arrangement to retain furnace production and certain engineering and headquarters roles in Indianapolis, supported by Indiana incentives.
Outcome. Some production and jobs were retained, but the company later announced substantial job reductions at the Indianapolis plant.
Brand decisions
2025
Sell Industrial Fire divisionM&ABackground
The proposed sale was part of Carrier's continuing effort to simplify its portfolio and emphasize climate-related businesses.
Action taken
Carrier announced the planned sale of its Industrial Fire division to Sentinel Capital Partners.
Aftermath
The transaction was announced as a portfolio divestiture; further completion details are not established in the supplied reference material.
announced transaction value. (2025 announcement)
2023
Acquire Viessmann Climate SolutionsM&ABackground
Carrier sought to expand its presence in sustainable heating and climate technologies, especially heat pumps and related European markets.
Action taken
Carrier announced an agreement to acquire the Viessmann Group's Climate Solutions division while pursuing divestitures of other businesses.
Aftermath
The planned acquisition formed part of a broader portfolio transformation toward climate solutions and away from selected refrigeration and fire-and-security activities.
2023
Divest selected security and refrigeration operationsM&ABackground
Carrier pursued a narrower strategic focus after becoming independent, concentrating resources on climate and building technologies.
Action taken
Carrier sold the LenelS2, Onity, and Supra security businesses to Honeywell and announced divestiture plans involving commercial refrigeration and other fire and security operations.
Aftermath
The transactions reduced Carrier's exposure to security and selected refrigeration activities while reshaping its operating portfolio.
2018
Separate Carrier from United TechnologiesStrategyBackground
United Technologies decided to reorganize its portfolio and separate UTC Climate, Controls & Security from the parent group.
Action taken
United Technologies announced and subsequently completed the spin-off of Carrier as an independent public company.
Aftermath
Carrier began operating independently in 2020, with a more focused climate and building-solutions strategy.
2016
Move Indianapolis furnace production to MexicoStrategyBackground
Carrier cited cost and pricing pressures and the availability of an established supplier base in Mexico when it announced plans to move production from Indianapolis over several years.
Action taken
The company announced the planned closure and transfer of Indianapolis production, then negotiated an agreement to retain some furnace manufacturing and related jobs in Indiana.
Aftermath
Carrier later informed Indiana that it would eliminate 632 Indianapolis factory jobs. The episode remained a prominent example of the political and labor consequences of multinational manufacturing decisions.
Recent events
SentriLock sues Carrier over alleged patent infringement[3]
Reported:
SentriLock announced that it was suing Carrier Global in U.S. district court. SentriLock alleges that Carrier knowingly copied and commercialized SentriLock's patented lockbox technology; the supplied article reports allegations, not a court determination.
Carrier Indianapolis site receives zero-waste-to-landfill certification[4]
Reported:
Carrier announced that its Indianapolis manufacturing site had achieved zero-waste-to-landfill certification, the first Carrier Global Corporation site to receive the designation.
- Unconfirmed
APi Group agrees to acquire Chubb Fire & Security[5]
APi Group announced a definitive agreement to acquire Chubb Fire & Security from Carrier Global Corporation for an enterprise value of US$3.1 billion. The transaction was expected to close around year-end 2021, subject to consultation and regulatory approvals.
Carrier appoints Beth Wozniak to its board[6]
Reported:
Carrier Global Corporation announced that Beth Wozniak was appointed to its Board of Directors, effective immediately.
Sources7 sources
- 1Carrier Globalen.wikipedia.org
- 2Carrier official websitecarrier.com
- 3SentriLock sues Carrier over alleged patent infringementinman.com
- 4Carrier 印第安纳波利斯厂区取得零废弃物掩埋认证prnewswire.com
- 5APi Group同意收购Chubb Fire & Securitysourcesecurity.com
- 6Carrier任命Beth Wozniak为董事会成员prnewswire.com
- 7Real Estate Technology Leader SentriLock Files Patent Infringement Suit Against Carrier Global / Supraprnewswire.com
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