Trane-050515-body.jpgcustomers fast delivery times along with low installation cost. Additional high efficiency options are available to further reduce operating costs. The Trane® eFlex™ variable-speed compressors and fans deliver the performance building occupants need, while also delivering the efficiency building owners want. By precisely matching output to the cooling demands of the space, Trane eFlex compressors and fans operate at their fastest levels when demand is high, and modulate to slower levels when demand is less. The Trane eDrive™ direct-drive fans are an efficient, beltless design that delivers up to 20% efficiency improvements.