How to convert an air conditioner capacity from Btu to kW. What is “ton”?
• 1 horsepower (HP) = 2.8 kW • 1 kW*hr = 3,413 BTU/hr (British Thermal Units), • 1 ton = 12,000 BTU/hr The British thermal unit (BTU or Btu) is a traditional unit of energy. It is approximately the amount of energy needed to heat one pound of water one degree Fahrenheit. The unit ton is used in refrigeration and air conditioning to measure heat absorption. Prior to the introduction of mechanical refrigeration, cooling was accomplished by delivering ice. Installing one ton of refrigeration replaced the daily delivery of one ton of ice.