A ventilator fan can blow conditioned air up or down depending on the position of the blower unit.
Blow hot air into attic from closet.
Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.
Put it in an attic full of blown insulation and you re.
But it gets worse.
It draws cooler outside air in through open doors and windows to create a pleasant breeze that pushes hot air out through attic vents.
From masonry chimneys to any combustible material including insulation.
Kadin2048 i writes i don t think that condensation in the attic is really a problem in my area the attic is so hot it s almost certainly warmer near the peak than the exhaust air from the ac but in some areas or if you were using the ac to cool a particularly hot room like a server closet on a cool day it very well might be a problem.
A duct or vent booster fan can increase the flow of cool air into that room.
Adding a server closet return.
Low cfm similar to a bathroom vent 300cfm and only in the hot spots basically by adding an inline ducting fan to the return ducts for the hotspot rooms.
The condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.
To solve for exhausting this heat i took a two pronged approach.
However with that understanding that creating negative pressure in the attic can cause all kinds of problems sucking out air from the conditioned space possible back drafting of combustion appliances etc he has come up with the idea to blow air into the attic instead i e creating positive pressure to force the hot air out.
What we need to do is exhaust the warm air from the room not inject air.
Two types of booster.
In the winter months you will be injecting hot air into the room compounding the problem.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
The opening around a furnace or water heater flue is a major source of warm air into the attic photo 5.
Of clearance from class b flues 2 in.
Because the pipe gets hot building codes require 1 in.
My idea is to vent the build up of hot air that has risen to the ceiling in the hotspot rooms into the attic so that air from cooler parts of the house can move in.