You can add or edit doors for any wall by clicking on the "doors" link. ACCA MJ8 stipulates that doors with more than 50% glass shall be considered as French or Sliding glass doors in the windows section.

Doors - CoolCalc Documentation

CoolCalc Manual J does not currently implement doors in partition walls. ACCA Manual J is not entirely clear on the requirement of partition doors but table 4E considers it an "insignificant issue"

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