10 Most Interesting & Important Facts About Air Conditioning






The air conditioning system has changed the way we live, work, and play. It makes it possible for us to inhabit the most inhospitable regions of the planet. It has given rise to modern medicine, made summer blockbuster movies possible, and made our lives healthier by decreasing mortality rates during heat waves. It has also changed how architecture is designed and built, how we do business, celebrate our holidays, and even how we spend our free time! Here are 10 interesting facts about this amazing technology.


The first AC was invented by Willis Carrier in 1902


Willis Haviland Carrier, a talented engineer who started working with the rules of humidity management to address an application issue at a printing facility in Brooklyn, New York, built the first practical air conditioner in 1902. In order to cool the air and remove moisture at the same time to regulate room humidity, Carrier's system circulated air through coils that were submerged in cold water, building on the mechanical refrigeration principles developed previously.


ACs were originally invented to dry ink


Willis Carrier invented it to keep his paper from expanding and contracting, as well as to make sure that his ink dried fast and without smudges because the high humidity levels prevented ink from properly drying.


He successfully developed a system to regulate humidity as requested, and after understanding the system's potential, he continued to work on it to make it better and market it under the name "apparatus for treating air".


The first domestic air conditioner is enormous and expensive


In 1914, the first home air conditioner—over 7 feet high, 6 feet wide, and 20 feet long—was put in place.


Despite its enormity, many were willing to spend between $10,000 and $50,000 for one. In today's currency, that equates to between $120,000 and $600,000. Only the really wealthy could afford residential air conditioning systems. Next time you complain about how much something is now costing, consider what a new HVAC system used to cost.


Up until recent technological advancements, the majority of people could not afford air conditioners. The 1970s saw a rise in the use of central air conditioning. Approximately 90% of households in the United States have air conditioning.


Related: What Is An Air Conditioning Compressor? Common Questions Answered!


ACs have dramatically improved human life expectancy


Air conditioning has been linked to longer life expectancy. A study from Harvard University found that, since the early 1990s, people living in regions where the average daily temperature is above 75 degrees have been living longer than those who live in cooler areas.


This is because the air conditioning has made it possible for humans to live in inhabitable regions; before air conditioning was invented, many people were unable to thrive outside of tropical climates due to heat stress and other health problems caused by hot weather. Today we can enjoy all four seasons without worrying about being too hot or cold!


Air conditioners also change the way we design architecture: they allow us more flexibility when designing homes and buildings because there's no need for large windows or doors anymore--you can simply use an AC unit instead!


Air conditioners changed the way we design architecture


One of the most notable examples is that high-rise buildings are now feasible because they can be cooled with central systems, rather than having each apartment or office unit cooled by its own individual system. This allows for greater efficiency and less wastefulness in our use of energy resources.


Air conditioning also makes it easier for architects to incorporate energy efficiency into their designs without sacrificing comfort or style. This means that ACs can help us build greener buildings without having them look like greenhouses!


Also read: How Much Electricity Does an Air Conditioner Use?


ACs gave rise to the summer blockbuster


Ever questioned why summer blockbusters are so well-liked? You might be surprised to learn that it's all because of air conditioning. Early modern air conditioners were big, heavy, and expensive; as a result, only public and commercial locations with sufficient funding could afford to install them.


Hospitals, government buildings, and more notably theaters and movie theaters were the first structures to include them. Going to see movies and shows in air-conditioned comfort during the summer months became a common and affordable pastime as a way to escape the heat waves, bringing in more money than ever to theaters and movie theaters.


Read more: 7 Tips To Use Air Conditioning Efficiently and lower you energy bills


Summer holidays are a relic of pre-air conditioning times


Before the invention of mechanical cooling, summers were much hotter than they are today. Long before AC, the majority of schools have longer summer breaks, which were first intended as a break due to the hot weather that made learning and being in class unpleasant. Prior to the invention of air conditioning, wealthy families might use this time off to escape the heat in their summer houses near lakes or along the beach.


Nowadays, this tradition has become a right for all children--but it's worth remembering how much our lives would change if there were no air conditioning!


Discover the range of TCL air conditioners, portable or wall-mounted air conditioning units, from 9000 to 24000 BTU, with heating mode or just cooling.


Modern medicine has greatly benefited from AC


Air conditioning has many benefits, including keeping the body cool and helping people recover from illness. It can also reduce pain, help people sleep better, make them feel more comfortable and energetic, maintain a stable temperature and humidity level in the air around us--and even make it easier to test and develop medicines for different illnesses.


AC makes it possible to live in inhabitable regions


Air conditioning makes it possible to live in places that would otherwise be uninhabitable. For example, Miami wouldn't be a popular destination if it weren't for its year-round warm weather and tropical climate. But without air conditioning, those who live there would have to deal with oppressive heat every day--and probably wouldn't want to stay for long!


A few other examples include New Orleans; Phoenix; Las Vegas; and Death Valley (the hottest place on Earth).


The TCL FreshIN series air conditioners have an all-around fresh air system that gives you more personalized, professional service that promotes smart and healthy living.


China has the highest AC demand in the world


China has the highest demand for air conditioners worldwide in 2021. The air conditioner market is expanding as a result of the extreme heat waves the nation experiences in the summer. China is the world's largest manufacturer and consumer of air conditioners, accounting for more than 40% of the global market.




ACs have had a significant impact on human life. They have allowed us to live in more habitable regions and environments, they have improved our health and lengthened our lifespans, and they even helped create some of our most beloved summer blockbusters. The world would be a very different place without air conditioners! 


If you want to know more about the AC, check out our blog How Does Air Conditioning Work? The Science Behind AC!


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