Window ventilation
State what this option assumes, what should change first and what evidence would weaken it.
← All decision comparisonsDECISION COMPARISON
Open windows or control outdoor air?
Compare outdoor humidity, smoke, pollen, temperature and pressure with indoor conditions before using windows as the default air-quality response.
1 deep guide3 connected questions
COMPAREONE VARIABLE
AT A TIME
AT A TIME
Controlled outdoor air
Keep this route available until repeated evidence separates it from the first option.
THE EVIDENCE ROUTE
Read. Compare. Choose the smallest safe move.
Decision comparisonOpen windows or control outdoor air? — an evidence-first decision map
Compare outdoor humidity, smoke, pollen, temperature and pressure with indoor conditions before using windows as the default air-quality response. This guide compares both routes, defines safe evidence, stop boundaries and the next professional handoff.
Open decision guide →