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Great game so far! Looking forward to girl #4.

Just a note, ACs don't pull in outside air. They recirculate inside air.
Leaving the AC on wouldn't fill any buildings with fog.

Here's how they work:

  • 1. Refrigeration Cycle: ACs work by transferring heat from inside a building to the outside. They use a refrigerant, a chemical with a low boiling point, that cycles through four main components: the evaporator, compressor, condenser, and expansion valve.
  • 2. Evaporator (Indoor Unit): Warm indoor air is blown over the evaporator coil, where the liquid refrigerant absorbs heat from the air and evaporates into a gas. This cools the air, which is then circulated back into the room. The process also removes humidity, as water vapor in the air condenses on the cold coil and drips into a pan.
  • 3. Compressor: The gaseous refrigerant is pumped to the compressor (usually located in the outdoor unit for split systems or within the same unit for window ACs). The compressor pressurizes the gas, raising its temperature and preparing it for heat release.
  • 4. Condenser (Outdoor Unit): The hot, pressurized refrigerant gas flows into the condenser coil, where a fan blows outdoor air over it. This allows the refrigerant to release the absorbed heat to the outside environment, condensing back into a liquid.
  • 5. Expansion Valve: The liquid refrigerant passes through an expansion valve, which reduces its pressure and temperature, preparing it to re-enter the evaporator and repeat the cycle.
  • <span class="css-1jxf684 r-bcqeeo r-1ttztb7 r-qvutc0 r-poiln3" <thermostat="" control<="" span=""></b></span>6. Thermostat Control: A thermostat monitors the indoor temperature and signals the AC to turn on or off to maintain the desired temperature.
  • 7. Air Circulation: Fans in the indoor unit distribute cooled air through ducts (in central systems) or directly into the room (in window or portable units). Filters remove dust and particles, improving air quality.