Carrier (Carrier Global Corporation) is a provider of heating, air-conditioning, refrigeration, and security, and other building automation solutions. It operates through three segments: Heating, Ventilation, Air Conditioning (HVAC), Refrigeration, and Fire and Security. The HVAC segment provides air conditioners, heating systems, controls, and aftermarket components for residential and commercial customers. The Refrigeration segment offers transport refrigeration products and services, including refrigeration and monitoring systems for trucks, trailers, shipping containers, intermodal, and rail. The Fire and Security segment provides various residential and building systems, including fire, flame, gas, smoke, and carbon monoxide detection, portable fire extinguishers, fire suppression systems, intruder alarms, access control systems, and video management systems. The company offers its products under Autronica, Chubb, Det-Tronics, Edwards, Fireye, GST, Interlogix, Kidde, LenelS2, Marioff, Onity, Supra, Automated Logic, Bryant, CIAT, Day & Night, Heil, Noresco, Riello, and other brands.