Old Town
- Dominant build type in Old Town: post-war bungalow — average vent run 18–32 ft.
- Most common failure: flex-foil transition + over-length rigid, no booster fan.
- Typical service in Old Town: full clean + rebuild first 6 ft in rigid smooth-wall.
- Same-week booking across Old Town; emergency (no dry / overheat) same-day.
