To convert BTUs to tons, find the BTU capacity of the air conditioner, and divide the BTUs by 12,000. Twelve thousand BTUs equals the amount of heat removed by an air conditioner that would melt 1 ton of ice in 24 hours, which is called the chiller refrigeration ton, according to The Engineering Toolbox.Continue Reading
On the tag or packaging, find the BTU rating of the air conditioner. The number is expressed in thousands, such as 6,000 BTU or 15,000 BTU.
Using a calculator, divide the unit's BTU rating by 12,000 to arrive at the chiller refrigeration ton capacity. The equation may yield a fraction. For instance, a 6,000-BTU window air conditioner equals 1/2 ton of cooling capacity.
An old rule of thumb stipulated that 1 ton of air conditioning should cool 400 square feet of living space. However, many air conditioners are too large for the site, which results in high humidity and wasted energy. The current thinking, according to Green Building Advisor, is 1 ton per 1,000 square feet of space, with some adjustments based on ceiling height, climate, number of windows and other variables.
Twelve thousand BTUs (British Thermal Units) per hour are equal to 1 ton of cooling capacity. A BTU is the basic measurement of thermal energy.Full Answer >
BTUs per hour is a standard measurement that indications how many British Thermal Units an air conditioner removes from a room in one hour. A BTU is the unit of heat necessary to raise 1 pound of water by 1 degree Fahrenheit.Full Answer >
The number of British thermal units necessary in an air conditioner is determined in part by the square footage of the space to be cooled. Other factors include amount of sunlight regularly in the space, the type of space, and the number of people who regularly occupy the space.Full Answer >
A 4-ton Carrier air conditioning unit is a split system residential air conditioner that can remove 4 tons of heat from a home in one hour. Heat is measured in BTUs, and 12,000 BTUs equal 1 ton. This unit can remove 48,000 BTUs per hour.Full Answer >