Specifications and performance of 215-ton systems Cooling Capacity: Provides a huge cooling capacity equivalent to 215 x 12,000 = 2,580,000 British Thermal Units (BTU) per hour. Manufacturers: This capacity is often available through leading and reliable brands such as Zamil, Daikin, and SKM. Consumption Type: Stock systems (new, unused) are characterized by very high energy efficiency. Best Uses This capacity is ideal for large construction projects that require continuous operational stability and a long lifespan ranging from 20 to 25 years.