Summer Movie Season Wasn't Born With 'Jaws.' It Was Born 124 Years Ago Today, in a Brooklyn Print Shop. — Woody Magazine, Jul. 17, 2026
Woody Magazine
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Summer Movie Season Wasn't Born With 'Jaws.' It Was Born 124 Years Ago Today, in a Brooklyn Print Shop.
Willis Carrier never set out to cool a person. It took him twenty years to sell the machine to one — and the order he set in 1902 is still running.
Push through the doors of a multiplex this month and the cold reaches you before the popcorn does. It is the most dependable pleasure of an American summer, and for the film industry it is the reason the season exists at all. An engineer signed the drawings for that cold air exactly 124 years ago today, on July 17, 1902. He was twenty-five, and he was not trying to cool anybody. He was trying to cool wet paper.
The paper in Brooklyn kept swelling
In the spring of 1902, a consulting engineer named Walter Timmis walked into the Manhattan sales office of the Buffalo Forge Company. The man who took the meeting was J. Irvine Lyle, who ran sales in New York. Timmis had come on behalf of a client: Sackett & Wilhelms, a lithographer in Brooklyn, and the client's problem was paper.
Color printing then laid down one color at a time. Print the red, feed the sheet again, print the blue. But Brooklyn's summer humidity rose and fell, and the paper swelled and shrank with it. The second color landed off the first. Pressmen threw the sheets out; the plant lost whole days. Among the customers whose schedules were slipping was Judge, one of the popular satirical weeklies of the era.
Lyle handed the job to a man who had been with the company a year. Willis Haviland Carrier had graduated from Cornell in 1901, and the drawings he had produced since amounted to a heating plant, a lumber dry kiln, a coffee dryer. Buffalo Forge sold forges, fans and hot-blast heaters; that was the shape of the work.
Any competent engineer of the period could warm air. They could chill it, and they could add moisture to it. What none of them could do was hold the humidity of a room at a chosen number and keep it there.
The machine was never selling cold
Timmis proposed the first attempt himself: a roller towel of loose burlap soaked in calcium chloride brine, with the air drawn across it. It pulled the moisture out. It also pushed heat, salt and odor into the air, which is not something you introduce to a print shop.
So Carrier reversed the premise. He ran cold water through heating coils, then balanced the coil's surface temperature against the speed of the air until he could drag that air down to a dew point of his choosing.
The machine he drew in 1902 was not built to make air cold. It was built to take water out of air. Think of the beads that gather on the outside of a glass of iced tea. Push air below its dew point and the vapor in it turns liquid and falls out. The chill is what comes along for the ride.
It still works this way. Run your unit in August and water drips steadily from the condenser outside. That water was the point.
The patent Carrier received in 1906 says as much in its title. Not a cooler. An Apparatus for Treating Air.
The installation at Sackett & Wilhelms had no fixed temperature either. Carrier let that number move with the calendar: 70 degrees in winter, 80 in summer. Exactly one number stayed put all year. Fifty-five percent humidity.
The job was the second floor of the print shop, a room laid out for sixty multicolor presses. The cooling capacity matched the effect of melting 108,000 pounds of ice a day. That is 54 tons of refrigeration, spent every day of the year on holding paper to size.
Carrier later placed the moment of insight on a foggy railway platform in Pittsburgh, standing in the mist and grasping how temperature and humidity move together. Every anniversary piece written since begins there and ends there. The sentence nobody finishes is the next one: who bought the idea.
He didn't even name it
The American Cotton Manufacturers Association held its tenth annual convention in Asheville, North Carolina, over two days in May 1906. On the second of them, the 17th, a thirty-eight-year-old textile engineer named Stuart Cramer took the floor with a paper titled "Recent Development in Air Conditioning." That is where the phrase entered the language, and Cramer is the man who put it there.
Cramer wasn't thinking about people either. He was thinking about cotton. Cotton dust drinks the moisture out of a spinning room until the air goes bone-dry, and dry thread snaps while dry cloth stiffens. What Southern mills wanted was not cool air. It was damp air.
Cramer had been pumping moisture into mill air since 1895, and he called that work yarn conditioning. What he did at Asheville in 1906 was widen the term into "air conditioning." He took out more than sixty patents in his life and installed humidity and ventilation systems in cotton mills across the South.
So the man who named it spent his working life putting water into air. What Carrier had built was a machine for taking water out. The two point in opposite directions, and Cramer's name went to Carrier's machine anyway, and from there to the rest of the world.
The two men met and talked exactly once. Carrier remembered it as a conversation on a train, and set down that he had liked the man.
The machine was born in a print shop and named in a spinning mill. Neither room was thinking about a human being. Nor was the first thing Carrier ever sold overseas: in 1907 it went to the Fuji Silk Spinning Company in Yokohama.
Twenty years of changing customers
People weren't entirely absent from the queue. In 1913 — before Carrier had a company with his name on it — his engineers sold a residential system with mechanical refrigeration to Charles G. Gates, who was building a mansion in Minneapolis. That is a sale to a human being. It is also a sale to one of the very few Americans who could commission such a house, and Gates died before he ever moved in.
Carrier and six colleagues founded Carrier Engineering Corporation in 1915. Then, in May 1922, he built the thing that mattered most: the centrifugal chiller. Large-scale cooling until then had been bulky, expensive and dangerous. The chiller lowered all three at once.
Once the machine got cheap and safe, Carrier started trading up his clientele. The first sale went to Schrafft's candy in Boston, the first installation to Stephen F. Whitman & Son in Philadelphia. Both companies made candy and chocolate.
In 1924 the J.L. Hudson Company, Detroit's largest department store, took three 195-ton chillers. Carrier's company filed this one under comfort cooling — cooling meant for people. Carrier's own note on the job reads differently. On basement bargain days the temperature climbed until shoppers passed out, and the system was there to handle that emergency too.
A fainting shopper buys nothing. Here as everywhere, the party that paid was the store.
Most Americans met cold air at the movies
Department stores were the warm-up.
Around this time somebody did start putting the human body on a scale — and not inside the company that sold the machines. In 1923, at the Pittsburgh research laboratory of the American Society of Heating and Ventilating Engineers, F.C. Houghten and C.P. Yaglou published the "effective temperature" scale: a single index of how comfortable a person actually is, built from humidity as well as heat. Turning human comfort into a number happened at a professional society's research bench. Margaret Ingels was in that lab — the first woman to take an engineering degree from the University of Kentucky, in 1916, and the first woman in the country to earn the professional degree of Mechanical Engineer, in 1920. She had joined Carrier Engineering in Pittsburgh in 1917 and moved to the laboratory in 1921, where she spent six years on air conditioning. The story goes that her interest began as a girl watching water bead on a cold glass. She would later write Carrier's biography and title it Father of Air Conditioning.
But putting people on a scale is not the same as delivering to them. The industry that carried this machine to the public was film.
Carrier's corporate history lays out the theater campaign in three steps. Step one was Sid Grauman's Metropolitan Theatre in Los Angeles, where the company added two things worth keeping. Until then a cooled theater blew chilled air up through mushroom vents at your feet, which froze your ankles and did little else. Carrier moved the air to the ceiling and let it fall. Step two was the Palace in Dallas and the Texan in Houston, the first houses to take a complete Carrier system, chiller included.
Step three, in 1925, was the Rivoli on Times Square.
You will read almost everywhere that the Rivoli was the first air-conditioned movie theater in the world. By Carrier's own account it was the last of the three steps in his theater campaign. It was simply the one everybody heard about, which is exactly why Carrier saved Broadway for last. Succeed in New York and the country knows by morning. Fail in New York and the country knows by morning.
He made the bet on Memorial Day, 1925. Last-minute adjustments ran long and the machine started late, so the house was still hot when the crowd filed in. Sitting in that crowd was Adolph Zukor, who ran Paramount.
Carrier won anyway. By 1930 more than three hundred theaters across the country were hanging banners that read Cooled by Refrigeration. His company summarizes the decade in a single line: for most people, the movie theater was the first place they ever felt conditioned air.
may become a necessity rather than a luxury, Carrier told an audience in February 1929 — eight months before the market fell. Carrier Corporation, company history
Summer flipped
Before all this, summer was the industry's dead season. Nothing sounded worse in a heat wave than sitting shoulder to shoulder in the dark. Some houses closed outright. Studios dumped their weak titles into July.
Air conditioning turned that calendar upside down. Summer became months in which a studio could reckon on an audience.
Which runs into the story we all know. Summer movie season, we say, was invented on June 20, 1975, when Universal opened Steven Spielberg's Jaws in more than four hundred theaters. Two months earlier the studio had taken out a trade ad in Variety promising the biggest national prime-time TV spot campaign in motion picture history; the spots themselves ran across twenty-three shows over the four days from June 17 through opening night. The picture crossed $100 million on its 59th day.
Check the sequence, though. Summer had come back to the theaters half a century before the shark did. That more than three hundred theaters were flying banners by 1930 records only that they had bought the machine; what followed is the part that counts. Studios could finally reckon on an audience through the hottest months of the year, and the trade press points at exactly that as the groundwork the summer blockbuster was later built on.
So what did Jaws do? The numbers the critic Tom Shone gathered in Blockbuster answer it. As late as 1975, summer was still only 32 percent of the year's box office. By 1996 that share had nearly doubled. That is the work of the marketing formula Jaws laid down and Star Wars confirmed two years later.
Jaws did not invent the season. It put a formula on top of a season that air conditioning had spent fifty years handing back to the theaters.
The order hasn't changed in 124 years
Carrier called it in 1929. Summer cooling did become a necessity rather than a luxury. What he left out was the part about who gets the necessity first.
There is one place that looks like an exception. In 1928 Carrier put two 76-ton chillers into the Morro Velho gold mine in Brazil, an installation the company says was bound to transform working conditions for miners everywhere. The machine had finally gone to one of the hottest workplaces on earth.
And the two chillers were bought by the mine, not by the miners. A shaft too hot to stand in is a shaft nobody works, and nobody working means no gold coming up. The company never wrote down its reason. It did write down who paid. Even the exception was obeying the rule.
The year usually named as the turn for the American house is 1953. Sales of room air conditioners went from 74,000 units in 1948 to 1,045,000 that year, and dealers ran out of stock and turned away a hundred thousand customers.
Carrier was not there for it. In 1948 the company studied the residential market and concluded the profit in it was not attractive, then fell back on industry and commerce. Five years later, with demand for home cooling up more than tenfold, the firm that had started the whole business was standing outside of it.
About 3.5 billion people now live in the hottest parts of the planet, the International Energy Agency reports. Roughly 15 percent of them own an air conditioner. In the United States and Japan, household penetration was already above 90 percent as of the agency's 2018 survey.
Share of the roughly 3.5 billion people living in the world's hottest regions who own an air conditioner (International Energy Agency)
The hottest places have the fewest machines. The queue that formed in Brooklyn in 1902 runs in the same direction it always did.
So if you want to know where a new technology goes next, don't ask who needs it most. Ask who loses the most money without it. The printer scrapped a day's run when the ink drifted. The spinner stopped his machines when the yarn snapped. The department store lost the sale when the shopper fainted. The theater lost three months of the year. Those four paid, in that order, and the people who were actually hot waited at the back of the line.
The cold that hits you in the lobby tonight was not switched on for you. It started as a Brooklyn press trying to keep its colors lined up, and it took a century to reach your seat.
Heat did not put air conditioning into the world. A Brooklyn printer did, because misaligned ink cost him money. Carrier spent twenty years changing customers: printers, spinners, candy makers, department stores, and finally theaters. People stood at the end of that line. Machines don't go where it's hottest. They go where someone can pay.
- Source ↗ Carrier Corporation company history — The Invention That Changed the World (1876–1902)
- Source ↗ Carrier Corporation company history — Beyond the Factory (1923–1929)
- Source ↗ Willis Carrier — Frequently Asked Questions
- Source ↗ N.C. Dept. of Natural and Cultural Resources — Textile Executive Stuart Cramer and Air Conditioning
- Source ↗ UNC Libraries, NC Miscellany — May 1906: Stuart Cramer and Air Conditioning
- Source ↗ NCpedia — Air-Conditioning
- Source ↗ ACHR News — 1925: Air Conditioning Comes to the Theater
- Source ↗ HISTORY — How 'Jaws' Invented the First Summer Blockbuster (citing Tom Shone, Blockbuster)
- Source ↗ Variety — 'Jaws' at 40
- Source ↗ American Heritage — The Air-Conditioned Century, 1984 (room unit sales 74,000 in 1948 to 1,045,000 in 1953; Carrier's 1948 retreat from the residential market)
- Source ↗ ACHR News archives — The A/C Boom of the 1950s (room unit shipments first hit one million in 1953)
- Source ↗ International Energy Agency — Staying cool without overheating the energy system (3.5bn / 15%)
- Source ↗ International Energy Agency — The Future of Cooling, 2018 (US and Japan household penetration)
- Source ↗ University of Kentucky, Mechanical & Aerospace Engineering — Margaret Ingels
- Source ↗ Springer, History of Thermal Comfort Standards — attribution of the effective temperature index (Houghten & Yaglou, "Determining equal comfort lines," ASHVE Trans. 29, 1923)
- Source ↗ ScienceDirect — literature review of adaptive thermal comfort models (effective temperature at the ASHVE Pittsburgh laboratories)
- Further reading — Raymond Arsenault, "The End of the Long Hot Summer: The Air Conditioner and Southern Culture," Journal of Southern History 50, no. 4 (1984): 597–628.
- Source ↗ Carrier Corporation (Korea) — Dr. Carrier (company retelling of the Pittsburgh fog story and the patent title)
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