Audel Air Conditioning Home and Commercial
Chapter One
Air-Conditioning Fundamentals
Air conditioning may be defined as the simultaneous control of all
(or at least the first three) of those factors affecting both the physical
and chemical conditions of the atmosphere within any structure.
These factors include temperature, humidity, motion, distribution,
dust, bacteria, odors, and toxic gases, most of which affect human
health and comfort to a greater or lesser degree.
Air that has been properly conditioned has had one (or a combination)
of the foregoing processes performed on it. For example, it
has been heated or cooled; it has had moisture removed from it (dehumidified);
it has been placed in motion by means of fans or other
apparatus; and it has been filtered and cleaned. These processes may
be placed in the following order for ready reference:
1. Heating.
2. Cooling.
3. Humidifying.
4. Dehumidifying.
5. Circulating.
6. Cleaning and filtering.
The impression prevailing in many instances is that refrigerating
or heating equipment cools or heats a room. This ... read full excerpt from Audel (TM) Air Conditioning Home and Commercial ebook
