What may be original
- Region-specific envelope and service systems
- Later retrofit layers should be recorded separately
United States House DNA
Contemporary code-era homes
More engineered assemblies, air conditioning, complex rooflines and tighter envelopes.
2000–present
What deserves attention
- flashing interfaces
- mechanical ventilation
- condensate drainage
- commissioning
Reduce uncertainty first
- Confirm original construction era
- Record major renovations
- Compare symptom timing with weather and system use
Add to House DNA
Open My House →Original era is only the start.
Record later insulation, windows, roof, ventilation and service replacements in My House before relying on era assumptions.
