Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.
Blow hot air into attic form closet.
But it gets worse.
Because the pipe gets hot building codes require 1 in.
Adding a server closet return.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
Insulated attic fan door newer attic fans have insulated doors that close in 30 seconds when the fan s not operating.
What we need to do is exhaust the warm air from the room not inject air.
To solve for exhausting this heat i took a two pronged approach.
It draws cooler outside air in through open doors and windows to create a pleasant breeze that pushes hot air out through attic vents.
In the winter months you will be injecting hot air into the room compounding the problem.
From masonry chimneys to any combustible material including insulation.
Of clearance from class b flues 2 in.
Put it in an attic full of blown insulation and you re.