1 Ton AC covers 80 to 120 sq.ft area. The 144 sq ft is on border range. If you have many windows or if your room sun facing then buying 1.5 Ton AC is good choice. Below table has summarized capacity chart.
In this way, what size air conditioner do I need for a 3000 square foot house?
Furnace and Air Conditioner size for a semi-detached 2-storey home
|Semi-detached House square footage *||Furnace Output [BTU/hr]||Air Conditioner size [ton]|
|up to 1500 sq ft||40,000 BTU/hr||1.5 ton|
|1500 to 1800 sq ft||50,000 BTU/hr||up to 2 ton|
|1800 to 2200 sq ft||55,000 BTU/hr||2 ton|
|2200 to 3000 sq ft||60,000 BTU/hr||2.5 ton|
How many square feet does a 2 ton air conditioner cool?
A well-insulated room with 100 square feet will require a 4,000 to 6,000 (a half ton) BTU air conditioner while a 12,000 BTU (one ton) unit can cool up to 500 square feet. A 2-ton (24,000 BTU) central air conditioning unit can effectively cool a 1500 square-foot residence.
How many square feet are in a 12 by 12 room?
The formula for figuring this out is pretty straightforward, all you have to do is multiple the length of the room by the width. So if your room is 10 feet by 12 feet, 10 x 12 = 120 square feet.