The first mini-split system was sold in 1961 by Toshiba in Japan, and the first wall-mounted mini-split air conditioner was sold in 1968 in Japan by Mitsubishi Electric, where small home sizes motivated their development. The Mitsubishi model was the first air conditioner with a …

2019年6月24日 · Today, almost 75 percent of U.S. homes have air conditioning, but for an appliance that has become a near necessity for Americans, one of the first of its kind was surprisingly unconcerned...

2015年7月20日 · Learn about some of the key milestones in one of the most important inventions of modern times -- air conditioning. We take the air conditioner for granted, but imagine what life would be like without it.

2023年10月20日 · The United States is often credited as the primary birthplace of modern air conditioning. Willis Haviland Carrier’s groundbreaking work in New York in the early 20th century marked a significant turning point. His invention of the first air conditioning system for a Brooklyn printing plant set the stage for widespread adoption in various sectors.

Willis Haviland Carrier (November 26, 1876 – October 7, 1950) was an American engineer, best known for inventing modern air conditioning. Carrier invented the first electrical air conditioning unit in 1902.

On July 17, 1902, Willis Haviland Carrier designed the first modern air-conditioning system, launching an industry that would fundamentally improve the way we live, work and play.

2024年6月11日 · This article walks you through the key milestones in the development of air conditioning technology, from the first electrical air conditioner invented by Willis Carrier in 1902 to the advent of ozone-friendly refrigerants in recent decades.

2017年4月13日 · Willis Carrier developed the first residential “Weathermaker” in 1928, an air conditioner for private home use. The Great Depression and World War II slowed the non-industrial use of air conditioning, but consumer sales rebounded after the war.

In 1931, H.H. Schultz and J.Q. Sherman invented the first room air conditioner; it sat on a window ledge, similar to portable units today. Around the same time, General Motors synthesized CFC (chlorofluorocarbon) coolants, the world’s first non-flammable refrigerants.

2011年6月6日 · The first modern air conditioner was invented in 1902 by Willis Haviland Carrier, a skilled engineer who began experimenting with the laws of humidity control to solve an application problem at a printing plant in Brooklyn, NY.