Ivy Pale Leaves & Drop: AC Draft, Water, Light, or Mites?

Ivy in Florida AC (cool, dry) with pale dropping leaves—four suspects:

Priority Actions

1. Check for mites (magnifying glass).
2. Reduce watering—let dry slightly.
3. Move from AC draft.
4. Maximize north window exposure.

Ivy likes cool but not drafty, moist but not wet, bright but not direct sun.