To solve for exhausting this heat i took a two pronged approach.
Blow hot air into attic form closet.
Because the pipe gets hot building codes require 1 in.
The opening around a furnace or water heater flue is a major source of warm air into the attic photo 5.
Adding a server closet return.
What we need to do is exhaust the warm air from the room not inject air.
But it gets worse.
In the winter months you will be injecting hot air into the room compounding the problem.
Insulated attic fan door newer attic fans have insulated doors that close in 30 seconds when the fan s not operating.
The condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.
Of clearance from class b flues 2 in.
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.