Definition
The mechanicals phase installs HVAC, plumbing, electrical, and gas systems (rough-in). Systems are tested before wall concealment. This phase directly impacts home function, comfort, and performance.
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Mechanicals phase includes HVAC ductwork layout, furnace/cooling installation, plumbing rough-in, electrical rough-in, and gas line installation. Mechanicals must be installed before insulation and drywall. System sizing, layout, and installation quality directly impact home function and comfort. Rough-in inspections verify compliance before wall concealment. Mechanicals phase typically takes 4-8 weeks.
Pro Tip
Understand mechanical rough-in layout. Verify adequate sizing and future maintenance access.
Example
Mechanicals phase includes HVAC duct installation, furnace placement, plumbing line rough-in, electrical wire pulling, and breaker panel installation.