Please fill in the form below to calculate your load size: NOTE: Required fields are marked with a *   *Room Temperature(F): F valid range: -20F to 200F *Room Relative Humidity (%): % *Outdoor Temperature (DB design): F valid range: -20F to 200F *Outdoor Rel. Humidity (% design): % *Total CFM: CFM *Amount of Outside Air (CFM): CFM *Duct Temperature (F): F valid range: -20F to 200F