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Air conditioning -- more precisely, air cooling -- could be one of the most important inventions of the 20th century, right up there with the Model-A and Model-T automobiles, the telephone, and the incandescent light bulb. Without A/C, many US cities would be nearly uninhabitable in the summertime and would not have grown into the economic powerhouses they are today. Large tracts of land that would have little value as real estate for homes and businesses have been made more valuable because of air conditioning. Think of Houston, Texas, as a prime example. Were it not for A/C, that city would not be as populous as it is. Today, it's home to millions of people who contribute a great deal to this country's gross domestic product.
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When was the First Central Air Conditioning Heating Unit Made?
US patent number 808897 was granted in 1906 to Willis Haviland Carrier. The patent was for an "apparatus for treating air". Today, Carrier is considered the "father" of air conditioning. His original intention was to treat air for industrial purposes-manufacturers of certain products struggled in hot climates, the heat affecting production. Carrier, an engineer, was the first person to figure out that you had to control a number of things if you wanted to cool down a building-temperature, humidity, air purity, movement of air, and air supply and exhaust. By the 1920s, smaller air conditioning units were appearing in private homes. Theatres, department stores, hospitals, banks, and offices were already using air conditioning-the bigger places used a central air conditioning system devised by the Carrier Corporation. When the Depression of the 1930s hit, not many air conditioning units were sold, but after the Second World War, things picked up. Nowadays if you live in a really hot place in North America, not having air conditioning is unusual.
How much does central heating and air installation cost?
Central heating and air conditioning installations can cost between $2,000 and $5,000. The cost depends on where you live and the system you are getting installed.
What is how people modify the world around them to meet their needs or to solve practical problems?
You just live life the way you want to live it.
Would the world survive if technology was destroyed?
Yes, but things would be vastly different, and civilization as we know it would change, going back to a point hundreds of, or more, years ago. There is an old saying that "World War IV will be fought with sticks and stones, because World War III will destroy our technology, that is, if we don't destroy ourselves completely." I hope not. I hope and pray that we can find a way to live in peace.
How did the invention of tires change the way you live?
tires are very subvention it make alot of thing easier because tireds are made of rubbers
How huskys live in the world?
about 278,456,732,338 billion huskies live in the world today
How did Marilyn Monroe change how you live today?
She hasn't
How many huskies in the world?
about 278,456,732,338 billion huskies live in the world today
How many cats live in the world today?
1678930
How people live in the world today?
about 6.8 billion
What modern day country do the hebrews live today?
Today, Jews live in most of the countries of the world. The majority live in Israel and the United States.
How many live in the world today?
As of 2012, it is estimated that there are 7.035 billionpeople in the world.
Did Thomas Edison's discovery change the way people live today?
yes
How did prohibition change the way we live today?
Depends, cool story bro.
Which do you prefer to live today or to live yesteryear?
Today, because if we were to live yesterday and do things different it would change the future. There is no reason to live in the past, you should always accept and learn and move on to broaden your horizons.
What is a sentence for condition?
I can't live without air conditioning in the summer.
Where to watch today's world cup match live?
you can enjoy today's world cup event with best picture quality in the link below. Just click one of the server and watch live.
