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When President James Garfield was dying, naval engineers constructed a box-like structure containing clothes saturated with melted ice water, where a fan blew outside air through the box into the room. Lowered temp. by 20 degrees Fahrenheit.
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Willis Carrier builds the first air conditioner to combat humidity inside a printing company.
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An armour building in Kansas City, Missouri became the first office building to have an air conditioning system with a thermostat in each room to control the temperature in that room.
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A refrigerator displayed at the St. Louis World Fair by Brunswick Refrigerating Co. An ammonia refrigerating system mounted on the side of an ice box.
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Willis Carrier patents his invention, calling it an apparatus for treating air.
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Carrier installs air conditioning in the first home. He installed it in a mansion in Minneapolis, costing $10,000. It was 7 feet high and 20 feet wide.
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Fred Wolf, Jr. creates an aircooled, electric, self-contained household refrigerating unit which could be placed on top of any ice box and controlled with a thermostat.
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Clarence Birdseye creates a flash-freezing system that moves food through a refrigerating system on a conveyor belt allowing the food to be frozen very fast.
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Gas-fired household absorption refrigerators which don't require electricity are marketed.
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General Electric produces the first refrigerator with a completely sealed refrigeration system.
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Railroad diner cars on the Washington-New York route are air conditioned.
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H. H. Schultz and J. Q. Sherman invented the first window unit air conditioner.
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Packard Motor Car Company produces an automobile with air conditioning. It costs $247.
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The first rotary compressor was introduced, allowing units to be smaller, quieter, weigh less, and be more efficient
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Neil Armstrong and Buzz Aldrin walk on the moon in space suits with life support and cooling systems
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Oakridge National Laboratory develops the first version of a heat-pump air conditioner.
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People started to shift away from CFC's.
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The energy department announced non-vapor compression technologies for air conditioners.
