What is a A/C?
A/C definition - The abbreviation for air conditioner or air conditioning. An air conditioner can mean any unit that changes the temperature or condition of the air.
Ideal Home Garden Explains
This appliance commonly uses a refrigeration cycle or evaporation cooler to lower the temperature of the air in a certain area. There are two major types of air conditioners: a wall unit and through-wall units. There are also many energy efficient a/c units available on the market that will cut down on energy cost, which in turn will save the consumer money over the long term.