The best form of attic ventilation for your home is a balanced system where the intake vents are separate from the exhaust vents.
Best way to ventilate attic.
Touch your ceiling on a warm sunny day.
Rectangular roof vents work best when the wind blows over the top of them rather than into them.
What s the ideal way to ventilate an attic.
This means an equal amount of intake net free area through vents positioned in the soffit overhang or near the roof s lowest edge and exhaust net free area through vents installed at or near the peak of the roof.
If you don t see any attic vents on the roof or in the eaves you need to add some.
Ridge vent must me installed per the manufactures instructions.
Your home air conditioner works very hard to combat extreme attic temperatures.
The soffit vents allow convective air movement from the soffits of the residence to the ridge vent.
Install rectangular roof vents on both sides of the roof.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
A hot ceiling tells you that the attic is acting like a solar oven.
It can do both.
Vent these fans through the roof or soffit.
One last thought attic ventilation is not there to get rid of heat it is there to get rid of excess moisture accumulating from the home.
Here are four signs of an unventilated or under ventilated attic.
Even though the outside temperature may be 90 98f it is much cooler than 140 160f.
If your home is fitted solely with small gable end vents or a ventilator high in the roof you might want to consider adding soffit vents to increase airflow.
Look at your eaves and roof.
Kitchen and bath fans vented into the attic.
For this kind of system you need soffit vents and ridge vents.
These vents allow outside air to enter the attic at the lowest point of the roof along the underside of the eave.
Rectangular roof vents installed on one side of the roof only.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
The best way to keep insulation cool as well as attic air is to move lots of air through the attic space.
Use the right type of attic vent for the right project and roofing contractors can expect.
In addition insulation baffles must be installed at the point where the attic floor meets the roofline to prevent the attic insulation from migrating into the cavities and restricting the airflow from the soffit vents.
But sometimes roofing professionals become frustrated because they re stuck in one of the following traps they d be wiser to avoid.
Use the right type of attic vent for the right project and roofing contractors can expect efficient performance and energy savings from the attic ventilation system.
Best ventilation is open soffit venting to a open vented ridge vent.
Insulation at least r 38 or more is there for heating and cooling.
