Humidity, paper and an engineer at Buffalo Forge.

The Carrier story starts with a printing problem. English Wikipedia says that Willis Carrier, who graduated from Cornell University in 1901 and joined the Buffalo Forge Company as a research engineer, submitted drawings on 17 July 1902 for a system to deal with humidity at the Sackett-Wilhelms Lithographing & Publishing Company in Brooklyn. In summer the paper there swelled and shrank, and because colour printing ran the same sheet through the press several times, the images came out poorly. Carrier was granted US patent 808,897 for an “Apparatus for Treating Air” on 2 January 1906, the encyclopedia says, a design that could humidify or dehumidify air.

Buffalo Forge set up the Carrier Air Conditioner Company of America as a subsidiary in 1908, with Carrier as vice president. On 3 December 1911 he presented a paper titled Rational Psychrometric Formulae at the annual meeting of the American Society of Mechanical Engineers, which tied together relative humidity, absolute humidity and dew-point temperature, according to English Wikipedia. The company still refers to those formulae when it describes how its engineers work today.

The break came with the First World War. The company says that Buffalo Forge decided to close its air-conditioning subsidiary, and that Carrier and his partner J. Irvine Lyle chose to form a company of their own. Carrier Engineering Corporation was incorporated on 26 June 1915, with Carrier as president and Lyle as treasurer and general manager. English Wikipedia says the founders pooled their savings to start it, and names Edward T. Murphy, L. Logan Lewis, Ernest T. Lyle, Alfred E. Stacey Jr. and Edmund P. Heckel among them. The company says it opened for business on 1 July 1915 and soon booked a contract with the American Ammunition Company in Paulsboro, New Jersey, and that offices followed in New York City, Philadelphia, Boston and Chicago. English Wikipedia says the company bought a factory in Newark, New Jersey, in 1920, and that in 1921 it solved a fog problem at the Islington film studios in London.

Mergers, Syracuse, and the move into the home.

The company that carries the name today was formed by merger. English Wikipedia says that in 1930 Carrier Engineering Corporation merged with the Brunswick-Kroeschell Company and the York Heating & Ventilating Corporation to form Carrier Corporation, with Willis Carrier as chairman of the board. The company describes Brunswick-Kroeschell as a maker of small commercial refrigerators and York Heating & Ventilating as a maker of unit heaters. After a period spread across sites in New Jersey and Pennsylvania, the business consolidated in Syracuse, New York, in 1937; the company says the city welcomed it at a dinner in the Hotel Syracuse ballroom on 18 November that year. English Wikipedia records an igloo-shaped Carrier pavilion at the 1939 New York World’s Fair.

Residential heating arrived through another merger. In March 1955, the company says, Carrier merged with Affiliated Gas Equipment. English Wikipedia says that business owned the Bryant Heater Co., the Day & Night Water Heater Co. and the Payne Furnace & Supply Co., the names later grouped in Carrier’s Bryant-Day & Night-Payne division. In 1980 the company’s name went on the Carrier Dome at Syracuse University; the encyclopedia says the university later ended that naming arrangement in favour of JMA Wireless.

Ownership changed in July 1979, when United Technologies Corporation acquired Carrier. The company says it then bought air-conditioning makers abroad, including Delchi in Italy and Springer in Brazil in 1983, Daewoo’s business in South Korea in 1985, Interclisa in Spain in 1986 and Miraco in Egypt in 1992. English Wikipedia says Carrier acquired International Comfort Products of Lewisburg, Tennessee, in 1999, and that ICP revived the Day & Night name in 2006. Management moved closer to UTC’s base in Farmington, Connecticut, while the DeWitt campus outside Syracuse stayed Carrier’s main engineering and design centre, the encyclopedia says.

On 26 November 2018 UTC announced that it would spin off its climate, controls and security business as Carrier Global Corporation, and English Wikipedia says the separation was completed in April 2020, with headquarters in Palm Beach Gardens, Florida. In April 2023 Carrier said it intended to acquire Viessmann Climate Solutions from the Viessmann Group, and in December 2023 it sold its LenelS2, Supra and Onity security businesses to Honeywell, the encyclopedia says.

Design and documentation.

The brands in this group are all names found on heating and air-conditioning equipment: furnaces, air conditioners, heat pumps and rooftop units. Heating and air-conditioning brands in general sit at many different points in the trade, from names sold mainly through local installers to names that belong to large building-technology groups.

A heating or cooling brand’s identity is usually carried less by one product than by a name on a metal cabinet, a badge on a grille and a colour on a truck. The company behind that name may have been sold, merged, split or licensed to another owner, and the plants where the equipment is made may have changed more than once. That makes the questions behind each name worth asking plainly: who started it, who owns it now, and where its equipment is actually made.

Each guide separates what independent sources record from what the company says about itself — its founding story, its owners over time, where its equipment is made and how its marks have changed — and marks plainly what rests only on the company’s own word.

A publicity engineer, a weather man and a slogan.

Carrier’s voice was set early. The company says that in 1919 it hired Esten “Jack” Bolling as its “Publicity Engineer,” and credits him with creating the Mechanical Weather Man, coining the phrases “Manufactured Weather” and “Weathermakers to the World,” and urging customers to “Make Every Day a Good Day.” Bolling also edited the July 1919 issue of the employee newsletter Carrier Carrier, later renamed the Carrier Courier, the company says. After the 1930 merger, it says, the new Carrier Corporation adopted “Weathermakers to the World” as its slogan, and the phrase still titles the company’s own history of itself.

The name now sits over a family of brands. English Wikipedia lists HVAC brands under Carrier Global that include Bryant, Payne, Day & Night, Heil, Tempstar, Comfortmaker, Riello, Viessmann and Toshiba-Carrier, alongside controls businesses such as Automated Logic, and it describes residential, commercial and cold-chain units. Homeowners buy Carrier systems through a network of Factory Authorized Dealers, the encyclopedia says.

For a design guide, Carrier shows how a technical idea can become a brand voice: the psychrometric chart, the patent drawing and a publicist’s weather man turned humidity control into “manufactured weather.” Compare it with Bryant, the heating name that joined Carrier in 1955, and with Trane another American air-conditioning maker. For this guide we use blue, navy and cool grey with a sturdy sans, an unofficial interpretation; no product or logo is reproduced.

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