The wattage used by a 3-ton air conditioner depends on its efficiency and the specific model. A "ton" in the context of air conditioners refers to the cooling capacity, not the power consumption. One ton of cooling is equal to 12,000 BTU (British Thermal Units) per hour.
On average, a 3-ton air conditioner consumes around 3,500 to 4,200 watts (3.5 to 4.2 kilowatts) of electricity during operation. This estimate is based on typical energy-efficient models, but it can vary depending on factors such as the brand, model, SEER rating (Seasonal Energy Efficiency Ratio), and the specific conditions under which the air conditioner is running.
To get a more precise and accurate wattage for a particular 3-ton air conditioner, you can refer to the manufacturer's specifications or the unit's nameplate, which usually provides information about its power consumption. If you're purchasing a new air conditioner, looking for one with a higher SEER rating can help you find a more energy-efficient model, which may result in lower energy consumption and operating costs.