In the summer good attic ventilation reduces heat buildup.
Venting into attic space.
A ridge vent is a ventilation strip that is placed along the ridgeline of the home.
And many building codes require discharging exhaust to the building s exterior so it s just a good rule of thumb.
In the winter warm moist air seeps into the attic from the living space below.
Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside.
Ideally the range hood should be vented to the outside usually through the roof.
The attic is usually colder than the rest of the house during the winter and that can create a problem for a dryer vent.
Prior to installing the ridge vent a 1 inch wide strip of roof decking is cut out along both sides of the ridgeline to allow for air movement through the vent.
Good ventilation allows the heat and moisture to escape.
That cuts cooling costs and prolongs shingle life.
You should never exhaust the bathroom fan directly into the attic.
Especially possible if a front comes through changes the pressures and temperatures.
The problem with attics.
When done correctly attic venting can reduce the potential for condensation in winter and summer.
Venting into the attic sends excess moisture to that space which can cause mold and other problems.
The following is a list of options for installing ventilation into a residential attic space.
Intake vents located at the lowest part of the roof under the eaves allow cool.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
No you cannot vent your bathroom exhaust fan into the attic.
Venting into attic in cold weather you can also add extra moisture to the attic area that could condense on the underside of the roof and cause moisture and possibly mold.
So can you vent a bathroom exhaust fan into the attic.
That keeps your attic dry and reduces ice dams.