T4 — Human-essentialPhase 7 of 13
Ventilation System Rough-In
Mechanical Rough-In
Description
Install bathroom exhaust fans, range hood duct, and whole-house ventilation (ERV/HRV) per ASHRAE 62.2. Tight houses need mechanical ventilation — the building does not breathe on its own. ERV recovers 70-80% of energy from exhaust air.
Tools (ML1 Confirmed)
- tin snips
- drill
- duct tape
- tape measure
- hand tools
Atomic Primitives
cutrouteconnectseal
2-3
Crew Size
4-8h
Estimated Hours
7
Phase
T4
Robot Tier
Other Tasks in Phase 7: Mechanical Rough-In
Related Resources
ERV installation residentialbathroom exhaust ventilationwhole house ventilationASHRAE 62.2 compliance