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First Cooling System
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. -
First Air Conditioner
Willis Carrier builds the first air conditioner to combat humidity inside a printing company. -
First Office Building with Air Conditioning System
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. -
Self-Contained Mechanical Refrigerator
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. -
Willis Carrier's Patent
Willis Carrier patents his invention, calling it an apparatus for treating air. -
First Home Air Conditioner
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. -
Fred Wolf Jr.'s Refrigerator
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. -
Flash-Freezing
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. -
Gas-Fired Refrigerator
Gas-fired household absorption refrigerators which don't require electricity are marketed. -
Sealed Refrigeration
General Electric produces the first refrigerator with a completely sealed refrigeration system. -
Railroad Cars
Railroad diner cars on the Washington-New York route are air conditioned. -
Window Unit
H. H. Schultz and J. Q. Sherman invented the first window unit air conditioner. -
Packard Automobiles
Packard Motor Car Company produces an automobile with air conditioning. It costs $247. -
First Rotary Compressor
The first rotary compressor was introduced, allowing units to be smaller, quieter, weigh less, and be more efficient -
Walking on the Moon
Neil Armstrong and Buzz Aldrin walk on the moon in space suits with life support and cooling systems -
Heat-Pump Air Conditioner
Oakridge National Laboratory develops the first version of a heat-pump air conditioner. -
CFC's
People started to shift away from CFC's. -
Non-Vapor Compression
The energy department announced non-vapor compression technologies for air conditioners.