12 complete symptom paths42 guides and 60 questions in each1,460 Grade A articlesOne searchable, connected knowledge library140 official sourcesEvidence context with explicit limits
← Seasonal mapsSEASONAL SYMPTOM MAP

First heating cycle

Startup can reveal dust, odor transport, expansion sounds and pressure changes.

heating starts after summerUtility Room + Heating
BEFORECapture the normal baseline.
DURINGRecord the first change and delay.
AFTERWatch drying, stabilization or recurrence.
SEASONAL FIELD GUIDE

Use the event as evidence, not proof.

Seasonal Symptom Map

First heating cycle: a seasonal symptom map

A seasonal House Atlas map for symptoms that appear during heating starts after summer, connecting weather, rooms, systems, safe checks and recurrence evidence.

Open map →