Producer
Honeywell
Major HFO refrigerant producer (Solstice® brand); produces next-generation low-GWP refrigerants as replacement for HFCs under Kigali phasedown. Also makes building automation and cold storage controls.
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Inputs supplied
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Goods downstream
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Facilities
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Stories
What else they do
Business segments
The company's full revenue map, where this supply-chain role fits within their broader business.
Solstice® HFO Refrigerants (Mandatory Low-GWP)
15%Aerospace Technologies (Avionics, Engines, APU)
35%UOP Process Technology (Oil Refinery Licensing)
15%Building Technologies & Industrial Automation
25%Advanced Materials & Sensing
10%
Intelligence
What's known
Sourced claims about this company's role in supply chains, chokepoints, concentration, incidents, dual-use connections.
Did you know2023
Honeywell International — universally known for its iconic round thermostat — is simultaneously the world's dominant oil refinery process technology licensor (UOP, in ~60% of global refinery throughput), a co-patent holder on mandatory-by-law next-generation HFO air conditioning refrigerants (R-454B, R-1234yf, with Chemours), a supplier of avionics and APU systems for virtually every commercial aircraft, and a commercial quantum computing company (Quantinuum). A building thermostat company licenses the chemistry producing the world's gasoline, co-owns the patents on the refrigerant in all new air conditioners, provides the flight computers for Boeing 787s, and builds quantum computers. Five completely separate supply chains — building temperature control, petroleum refining, climate policy-mandated refrigerants, commercial aviation, and emerging quantum computing — converge at one industrial conglomerate in Charlotte, North Carolina.
Honeywell International Inc. ↗Capacity2022
Honeywell's joint patent portfolio with Chemours on R-454B (Opteon/Solstice XL41) and R-1234yf creates a unique regulatory capture situation: EPA's AIM Act mandated phasedown of HFCs forces the entire US HVAC industry to transition to products where only Honeywell and Chemours hold the key production patents. Every ton of R-454B produced anywhere in the world requires a license from both companies. The $345 to $2,000+ price spike in R-454B cylinders from 2021 to 2025 reflects this patent-enforced supply constraint during a mandatory transition. The same Honeywell that makes thermostats (the device controlling HVAC operation) also co-owns the patents on the refrigerant the HVAC system is mandated to use — a complete vertical value capture from the control device through the process chemical, both under one corporate umbrella.
Honeywell International Inc. ↗Origin2023
Honeywell International was formed from the 1999 merger of Honeywell (thermostats, building controls) and AlliedSignal (aerospace, engineered materials, automotive). AlliedSignal itself was formed from the 1985 merger of Allied Chemical and Signal Companies. The combined entity retained the Honeywell name but the corporate DNA is largely AlliedSignal's. The iconic round Honeywell thermostat (T87) — designed by Henry Dreyfuss in 1953 — is among the most widely recognized consumer electronics designs in history; MOMA has one in its permanent collection. The UOP refinery process licensing business came from the Allied Chemical side: Universal Oil Products (UOP) was established in 1914 by Jesse Dubbs, whose catalytic cracking process technology became foundational for the modern petroleum refining industry. Honeywell's aerospace business came from AlliedSignal's Garrett AiResearch, later known as Honeywell Aerospace.
Honeywell International Inc. ↗