Fundamentals
Air conditioning cools and recirculates air
in a room or in an entire building. It is essential to keep the windows closed
so the cooled air does not escape. However, swamp coolers work differently.
They pull fresh air into a room, and as it passes over damp pads, it cools the
room. As the cool air fills the room, the hotter air is forced out. With really
efficient evaporative cooling, a total air change in the space can take place every
two minutes.
Varieties
Evaporative air cooler systems can cool an
entire dwelling or a single room. The room units are often placed in windows,
not unlike window air conditioning units. In larger systems, duct work and fans
together move air throughout the space to allow cool air to enter each room. A
simple system uses one duct and fan setup to let in air and blow it into the
house.
pace can take place every
two minutes.
swamp cooler |
Balance
The purpose of opening a window is to let
the warm air escape as the cooler air is circulated by the swamp cooler's fan.
Open the door and a window inside any room you wish to cool so the air can move
through. To get a balance of cool air throughout the space, leave both a door
and window open in the room to allow air to circulate.
Adjustment
How much you open a window can determine
the swamp cooler's efficacy. Open the window just enough so the door closes
very slowly. This means the pressure is balanced, and the hot air is moved
through the window as exhaust. If the door slams, the window is not open wide
enough. However, don't open the window too far. If the door does not move, the
window is too widely open. When the door closes completely, open it and start
the process over.
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