Crosthwait's expertise was on air ventilation, central air conditioning, and heat transfer systems. With this knowledge he created many different heating systems, refrigeration methods, temperature regulating devices, and vacuum pumps. For these inventions he holds thirty nine United States patents as well as eighty international patents.........
http://en.wikipedia.org/wiki/David_Crosthwait
This has a r134 system after 1993 was made standand industry wide to quiet the epa issue with r12
The air conditioning system was made to provide a cooling effect to those who were uncomfortable in the heat and humidity. Back in the days, it was used for the same purpose it is now used for.
A window air conditioning unit is designed to fit into a window opening. these can normally be fit into a hole made into the wall as well. They are definitely a cooling system and blow dehumidified cold air and in the case of reverse cycle hot air.
willis carrier
Some were made to have air conditioning and are equipped with it. Some do not have it.
it was made in 1902 by Willis Carrier
S. David Gertz has written: 'Liebman's neuroanatomy made easy and understandable' -- subject(s): Anatomy & histology, Nervous system, Neuroanatomy
The cathode must be made more positive with respect to the anode.
The best type of air conditioning would be one that also helps with excess humidity. Also, make sure that the air conditioning unit has a timer that is made by a reputable company
Donatello, Verrocchio, Michelangelo and Bernini made famous David statues.
Air conditioning
it was invented by two monkeys and a caveman in 1601 in the forest