The PEFY model is a high-performance, ceiling-concealed, ducted indoor unit. An excellent choice soffit applications in hotels or offices. External static pressure settings are adjustable to meet different application conditions Extremely quiet, with sound ratings as low as 26 dB(A) Auto-fan feature to adjust fan speed based on temperature differentials between space and set point Capacities range from 6,000 to 24,000 Btu/h Side access to control panel Integrated condensate lift mechanism to provide up to 21 11/16" of lift