National Geographic : 1972 Apr
Once you understand how central air conditioningworks, 0. HOT MOIST INDOOR AIR How central air conditioning works: 1. Hot, moist household air 2. is drawn through a filter 3. by means of a fan blower 4. located in your furnace. 5. It then passes through a cooling coil that absorbs the heat. 6. This absorbed heat is then passed on by refrigerant tubes to an outdoor condensing unit 7. where the heat is blown upward by a fan which discharges it into the outside air. 8. At the same time the heat is being removed from the house, the cooling coil removes excessive moisture and drains it away. 9. Clean, cool, dehumidified air is then circulated through the ductwork into every room of your home. A thermostat, located in the living area, lets you select the temperature level you want. E 4 Central air conditioning is one of the best investments you can make for your family. In terms of comfort, well-being, and good living. Properly applied and installed, a central air conditioning system will give you cool air distributed evenly throughout your entire home. With proper care, it will give you years of reliable service and comfort. It could increase the value and salability of your home. The cost could be much lower than you might think. Particularly if you have a forced warm-air furnace to begin with. Because, for both heating and cooling, a fan and ductwork are required. So if your house has an adequate forced warm-air furnace and ductwork, you're halfway there. The purpose of these pages on central air conditioning is to help you make a wise investment. We believe a careful reading will reward you well for years to come.