Unlike the winter measurements, the daytime and nighttime ventilation
rates were significantly different (p < 0.
In cool or moderate climates, a passive solar house will not require any air conditioning and will be comfortable inside simply with natural nighttime ventilation
A nighttime ventilation
fan system pre-cools process areas and monitors interior air quality and carbon dioxide.
It simulated nighttime ventilation
for office, restaurant, school, and retail buildings in various regions of California.
Specifically, a designer may estimate the ventilation rate needed to offset internal gains when direct ventilation can be effective and the internal gains that may be offset by nighttime ventilation
when direct ventilation will not work.
During the summer, and in climates with adequate variation in temperature and good prevailing winds, nighttime ventilation can be used to cool down the building, reducing air-conditioning loads.
With nighttime ventilation systems, the building is often shaped to minimize air-flow obstructions:
If we keep that up, we should be have her home on just nighttime ventilation
In advance of hot days, an exposed concrete ceiling slab is precooled through nighttime ventilation
to provide heat absorption capacity on the following afternoon.
If the outdoor temperature at night is higher than about 65 degrees or if the outdoor air is humid, nighttime ventilation probably isn't appropriate.
This nighttime ventilation strategy can be accomplished simply by opening windows to allow night breezes to flow through the home.
where nighttime ventilation
can be used to cool and re-solidify the PCM without creating moisture issues.