What Is Air Conditioning?

When we think about air con, we focus only on cooling the house in the summer

. But the term covers way more than cooling. It must do with controlling the inside environment to keep it cosy and healthy. So it covers not only cooling but also heating, the motion of the air, moisture level, pollution control, dust control and microorganism control.

Your house - or a factory, office building, school, hospital or other structure - has specific requirements that air conditioning must meet. All these design considerations have to do with keeping the people inside the structure comfortable by balancing their metabolic heat production - the heat created by the biochemical processes going on in their bodies - with the air temperature so they feel neither too warm nor too cool.

2 of the most critical points to consider in picking the right air conditioning system for any enclosed area are air temperature and relative humidity. Another imperative factor is the "load, " or stress on the air-conditioning system, important to maintain a comfortable environment. The apparatus must be well placed to do its work while carrying the load as efficiently as practical.

There are two types of load a total air-conditioning system has to handle : cooling and heating. A heating load results when heat leaving a space is more than the heat entering the space from any source, including the sun. A cooling load occurs when more heat enters the space than leaves it.

Moisture in the air also creates a load and, for most folk, is more a consideration when cooling is required. More moisture enters a space than leaves it, and the air-conditioning system has to get rid of the surplus to keep the occupants cushty. Every has experienced circumstances where "heavy humidity " caused them pain even if the temperature wasn't immoderately high. Keeping the air dry allows for higher air temperature without compromising comfort.

Keeping air temperature and humidity levels inside certain bounds is the best-known and understood function of aircon. However when complete, these systems also filter airborne particles, including dust and microbes, that might make a contribution to allergic reactions and sickness. This is the reason why you are inspired to modify your "furnace filter, " which is also a cooling system filter, often.

An air-conditioning system is pointless without a technique to assign the air. Even window air conditioners, as an example, need a fan to move the air into the room. Central air-conditioning systems utilize a fan to move the air and ductwork to carry the heated or cooled air to varied rooms. The air travels thru the channels, out into the room thru one set of vents and then back, thru another set of channels. This air movement permits unpolluted air to mix with already cooled or heated air.

by: Lawrence Nelson

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