Ventilation tips

Shade sunny windows, but do not leave occupied rooms without air exchange all day. Ventilate according to air quality, occupancy and temperature, not a rigid windows-closed rule.

Even on warm days, people add CO2 and moisture indoors. Use short, targeted ventilation when the room starts to feel stale.

Track temperature and humidity, but decide when to ventilate using occupancy, CO₂, and moisture sources too. Keep the room cooler without sacrificing fresh air.

Keep your home cool without letting it turn stuffy: during heat, ventilate briefly when humidity or CO2 starts to build up.