Fixing device having a perforated duct

A fixing apparatus that performs fixing processing, comprising:

• a first rotating member configured to be driven by a driving source;
• a second rotating member configured to be driven by the first rotating member, the first rotating member and the second rotating member forming a nip therebetween;
• a blowing member configured to blow air to one of the first rotating member and the second rotating member, the one being not in contact with an unfixed toner image which is a toner image that has not been fixed yet;
• and
• a duct that includes an opening for taking in air from the blowing member and further includes holes for discharging the air taken in through the opening toward the one;
• wherein a number of the holes per unit length of the duct in a generatrix direction of the one provided in an area of the duct facing the sheet-passing area is less than number of the holes per unit length of the duct in the generatrix direction of the one provided in an area thereof facing the non-sheet-passing area,
• wherein the fixing processing is processing of fixing the unfixed toner image to a recording medium by applying heat while conveying the recording medium with the unfixed toner image thereon at the nip,
• wherein the blowing member is, at least, driven in a case where a temperature of the one is lower than a threshold temperature when warming up of the fixing apparatus is started, and
• wherein volume of air to a sheet-passing area of the one is smaller than volume of air to a non-sheet-passing area of the one.