April 10, 2013
We are supposed to get up into the 90’s today in our area. The weatherman said we could break a record today even. Hello, June!
Only it’s still April.
Driving home yesterday, I turned the A/C in the car and let out a huge sigh of contentment.
‘Aaaaaaaaaaaaah,’ I breathed. ‘I am so grateful for air conditioning!‘
Designed to improve manufacturing process control in a printing plant, Carrier’s invention controlled not only temperature but also humidity. Carrier used his knowledge of the heating of objects with steam and reversed the process. Instead of sending air through hot coils, he sent it through cold coils (ones filled with cold water). The air blowing over the cold coils cooled the air, and one could thereby control the amount of moisture the colder air could hold. In turn, the humidity in the room could be controlled. The low heat and humidity helped maintain consistent paper dimensions and ink alignment. Later, Carrier’s technology was applied to increase productivity in the workplace, and The Carrier Air Conditioning Company of America was formed to meet rising demand. Over time, air conditioning came to be used to improve comfort in homes and automobiles as well. Residential sales expanded dramatically in the 1950’s.
Also, Robert Sherman of Lynn, MA, invented the portable in-window air conditioner that cooled and heated, humidified and dehumidified, and filtered the air in 1945. Apparently, though, he never received money or recognition for his invention because it was stolen by a large manufacturer.
So, thank you, Mr. Sherman! I am truly and really very grateful for your invention. And, BOO-HISS to the large manufacturer. You mean, greedy beast, you!
Honestly, humidity turns me into a cranky, intolerable human being. I can tolerate heat, but I cannot cope with humidity. If I lived in the Deep South prior the invention of centralized air conditioning, I would probably be institutionalized. I don’t know how my relatives coped without it!