Is mechanical ventilation necessary in a New Jersey attic?
In a nutshell: Yes.
Because Mother Nature is partially responsible for the air-
The easiest source of natural pressure for people to visualize is the wind. The pressures
from the wind cause infiltration through random holes in the house like soffit vents
and gable wall vents. Stack effect is just as common a pressure in causing air to
move through houses as the wind, but it isn’t as well-
As with natural pressures, accidental pressures can cause pollution or moisture-
Diffusion is the scattering of air particles through a material, or from one area
to another. In addition to all the ways air enters and leaves a house naturally and
accidentally, there are mechanical systems specifically designed to ventilate houses
using controlled pressures. This is controlled ventilation—in other words, ventilation
on purpose -
Many modern building codes dictate that houses be built purposefully airtight -
If you have an attic without mechanical ventilation, you may be asking for trouble, In my opinion, it is absolutely necessary and it could save you money in the long run on utility bills.
Seems like a no-
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