Trane Technologies plc, together with its subsidiaries, designs, manufactures, sells, and services of solutions for heating, ventilation, air conditioning, custom, and custom and transport refrigeration in Ireland and internationally. It offers air conditioners, exchangers, and handlers; airside and terminal devices; air sourced heat pumps, auxiliary power units; chillers; coils and condensers; gensets; dehumidifiers; ductless; furnaces; home automation products; humidifiers; indoor air quality assessments and related products; large and light commercial unitary products; refrigerant reclamation products; thermostats/controls; transport heater products; variable refrigerant flow products; and water source heat pumps. The company also provides building management, telematic, control, energy efficiency and infrastructure program, geothermal, thermal energy, thermostats, rate chambers, package heating and cooling, temporary heating and cooling, and unitary systems; bus, rail, and multi-pipe heating, ventilation, and air conditioning systems; and container, diesel-powered, truck, industrial, rail, self-powered truck, trailer, and vehicle-powered truck refrigeration and air filtration systems, as well as aftermarket and OEM parts and supplies. In addition, it offers energy and facility management, installation and performance contracting, repair and maintenance, and rental services. It markets and sells its products under the Trane and Thermo King brands through sales offices, distributors, and dealers; and through sales and service companies with a supporting chain of distributors. The company was formerly known as Ingersoll-Rand Plc and changed its name to Trane Technologies plc in March 2020. Trane Technologies plc was founded in 1885 and is headquartered in Swords, Ireland.

Carrier Global Corporation provides heating, ventilating, and air conditioning (HVAC), refrigeration, fire, security, and building automation technologies in the United States, Europe, the Asia Pacific, and internationally. It operates through three segments: HVAC, Refrigeration, and Fire & Security. The HVAC segment provides products, controls, services, and solutions to meet the heating, cooling, and ventilation needs of residential and commercial customers. Its products include air conditioners, heating systems, heat pumps, controls, and aftermarket components, as well as aftermarket repair and maintenance services and building automation solutions. The Refrigeration segment offers transport refrigeration and monitoring products and services, as well as digital solutions for trucks, trailers, shipping containers, intermodal applications, food retail, and warehouse cooling; and commercial refrigeration solutions, such as refrigerated cabinets, freezers, systems, and controls. The Fire & Security segment provides various residential, commercial, and industrial technologies, including fire, flame, gas, smoke, and carbon monoxide detection; portable fire extinguishers; fire suppression systems; intruder alarms; access control systems; video management systems; and electronic controls. This segment also offers fire and security service, such as audit, design, installation, and system integration, as well as aftermarket maintenance and repair and monitoring services. It offers its products under the Autronica, Det-Tronics, Edwards, Aritech, Fireye, GST, Kidde, LenelS2, Marioff, Onity, and Supra; Carrier, Toshiba, Automated Logic, Bryant, CIAT, Day & Night, Heil, NORESCO, and Riello; and Carrier Commercial Refrigeration, Carrier Transicold, and Sensitech brands. Carrier Global Corporation was incorporated in 2019 and is headquartered in Palm Beach Gardens, Florida.

Lennox International Inc., together with its subsidiaries, designs, manufactures, and markets a range of products for the heating, ventilation, air conditioning, and refrigeration markets in the United States, Canada, and internationally. The Home Comfort Solutions segment provides furnaces, air conditioners, heat pumps, packaged heating and cooling systems, indoor air quality equipment, comfort control products, and replacement parts and supplies; residential heating, ventilation, cooling equipment, and air conditioning; and evaporator coils and unit heaters under Lennox, Dave Lennox Signature Collection, Armstrong Air, Ducane, AirEase, Concord, MagicPak, Advanced Distributor Products, Allied, Elite Series, Merit Series, Comfort Sync, Healthy Climate, iComfort, ComfortSense, and Lennox Stores name. The Building Climate Solutions segment offers unitary heating and air conditioning equipment, applied systems, controls, installation and service of commercial heating and cooling equipment, variable refrigerant flow commercial, curb, curb adapters, drop box diffusers, HVAC recycling, and salvage service. This segment also provides condensing units, unit coolers, fluid coolers, air cooled condensers, air handlers, and refrigeration rack systems for preserving food and other perishables; and compressor racks and industrial process chillers under the Lennox, Model L, CORE, Enlight, Xion, Energence, Prodigy, Strategos, Raider, Lennox VRF, Lennox National Account Services, Allied Commercial, Elite, AES Industries, Mechanical, and Reclaim, Heatcraft Worldwide and Chandler Refrigeration, Bohn, MAGNA, Larkin, FriguaBohn, IntelliGen, and Interlink brand name. In addition, the company provides small package units, rooftop units, chillers, air handlers, and fan coils. It sells its products and services through direct sales, distributors, and company-owned parts and supplies stores. The company was founded in 1895 and is headquartered in Richardson, Texas.

Watsco, Inc., together with its subsidiaries, engages in the distribution of air conditioning, heating, refrigeration equipment, and related parts and supplies in the United States and internationally. The company distributes equipment, including residential ducted and ductless air conditioners, such as gas, electric, and oil furnaces; commercial air conditioning and heating equipment systems; and other specialized equipment. It also offers parts comprising replacement compressors, evaporator coils, motors, and other component parts; and supplies, such as thermostats, insulation materials, refrigerants, ductworks, grills, registers, sheet metals, tools, copper tubing, concrete pads, tapes, adhesives, and other ancillary supplies, as well as plumbing and bathroom remodeling supplies. The company serves contractors and dealers that service the replacement and new construction markets for residential and light commercial central air conditioning, heating, and refrigeration systems. Watsco, Inc. was incorporated in 1956 and is headquartered in Miami, Florida.

Crane Company, together with its subsidiaries, manufactures and sells engineered industrial products in the United States, Canada, the United Kingdom, Continental Europe, and internationally. The company operates in three segments: Aerospace & Electronics, Process Flow Technologies, and Engineered Materials. The Aerospace & Electronics segment supplies critical components and systems, including original equipment and aftermarket parts for commercial aerospace, as well as the military aerospace, defense, and space markets. This segment also offers pressure sensors for aircraft engine control, aircraft braking systems for commercial aircraft and fighter jets, power conversion solutions for spacecraft, and lubrication systems. The Process Flow Technologies segment provides engineered fluid handling equipment for mission-critical applications. It offers process valves and related products, such as lined pipe, fittings and hoses, air-operated diaphragm and peristaltic pumps, instrumentation and sampling systems, valve positioning and control systems, and valve diagnostic and calibration systems; commercial valves; and pumps and systems. The Engineered Materials segment manufactures fiberglass-reinforced plastic panels and coils for use in the manufacturing of recreational vehicles, as well as in commercial and industrial building applications. This segment sells directly to RV, trailer, and truck manufacturers, as well as through distributors and retailers. The company provides its products and solutions to end markets, including commercial and military aerospace, defense, and space; chemical and pharmaceutical production; water and wastewater; non-residential and municipal construction; energy; and other general industrial and consumer-related applications. The company was formerly known as Crane Holdings, Co. Crane Company was founded in 1855 and is based in Stamford, Connecticut.

Mueller Industries, Inc. manufactures and sells copper, brass, aluminum, and plastic products in the United States, the United Kingdom, Canada, South Korea, the Middle East, China, and Mexico. It operates through three segments: Piping Systems, Industrial Metals, and Climate. The Piping Systems segment offers copper tubes, fittings, line sets, and pipe nipples. It also resells steel pipes, brass and plastic plumbing valves, malleable iron fittings and faucets, and plumbing specialties; and supplies water tubes. This segment sells its products to wholesalers in the plumbing and refrigeration markets, distributors to the manufactured housing and recreational vehicle industries, building material retailers, and air-conditioning original equipment manufacturers (OEMs). The Industrial Metals segment manufactures brass, bronze, and copper alloy rods; plumbing brass, valves, fittings, and gas assemblies; cold-form aluminum and copper products; machining of aluminum, steel, brass, and cast iron impacts and castings; brass and aluminum forgings; brass, aluminum, and stainless-steel valves; fluid control solutions; and gas train assembles to OEMs in the industrial, construction, HVAC, plumbing, and refrigeration markets. The Climate segment offers valves, protection devices, and brass fittings for various OEMs in the commercial HVAC and refrigeration markets; high-pressure components and accessories for the air-conditioning and refrigeration markets; coaxial heat exchangers and twisted tubes for the HVAC, geothermal, refrigeration, swimming pool heat pump, marine, ice machine, commercial boiler, and heat reclamation markets; and insulated HVAC flexible duct systems. Mueller Industries, Inc. was founded in 1917 and is headquartered in Collierville, Tennessee.

A. O. Smith Corporation manufactures and markets residential and commercial gas and electric water heaters, boilers, heat pumps, tanks, and water treatment products in North America, China, Europe, and India. The company offers water heaters for residences, restaurants, hotels, office buildings, laundries, car washes, and small businesses; boilers for hospitals, schools, hotels, and other large commercial buildings, as well as homes, apartments, and condominiums; and water treatment products comprising point-of-entry water softeners, well water solutions, and whole-home water filtration products, and point-of-use carbon and reverse osmosis products for residences, restaurants, hotels, and offices. It also provides commercial water treatment and filtration product; expansion tanks, commercial solar water heating systems, swimming pool and spa heaters, and related products and parts; and electric wall-hung, gas tankless, combi-boiler, and heat pump and solar water heaters. The company offers its products under the A. O. Smith, State, Lochinvar, Hague, Water-Right, Master Water, Atlantic Filter, and Water Tec brands. It distributes its products through independent wholesale plumbing distributors, as well as to retail channels consisting of hardware and home center chains, and manufacturer representative firms; and offers Aquasana branded products directly to consumers through e-commerce channels. A. O. Smith Corporation was founded in 1874 and is headquartered in Milwaukee, Wisconsin.

Modine Manufacturing Company provides thermal management products and solutions in the United States, Italy, Hungary, China, the United Kingdom, and internationally. It operates through Climate Solutions and Performance Technologies segments. The company offers heat transfer coils, including heat recovery and round tube plate fin coils; gas-fired, hydronic, electric and oilfired unit heaters; roof-mounted direct- and indirect-fired makeup air units; duct furnaces; infrared units; perimeter heating products; single packaged unit ventilators; modular chillers; air handler and condensing units; ceiling cassettes; evaporator unit coolers, remote condensers, fluid coolers, gas coolers, and dry and brine coolers; and motor and generator cooling coils, transformer oil coolers, radiators, dryers, and industrial heat exchangers. It also provides data center products consisting of IT cooling solutions, including precision air conditioning units for data center applications; computer room air conditioning and handler units; hybrid fan coils; fan walls; chillers; condensers; condensing units; and liquid cooling solutions for high-density computing, as well as replacement parts, maintenance service and control solutions for existing equipment and new building management controls and systems. In addition, the company offers powertrain cooling products, such as radiators, condensers, engine cooling modules, charge air coolers, fan shrouds, and surge tanks; cooling module generator sets; aluminum and stainless steel engine oil coolers, exhaust gas recirculation coolers, liquid charge air coolers, transmission and retarder oil coolers, and chillers; battery thermal management systems, electronics cooling packages, battery chillers, battery cooling plates, coolers and casings for electronics cooling, and coolers for electric axles; and coatings products and application services. Modine Manufacturing Company was incorporated in 1916 and is headquartered in Racine, Wisconsin.