Best Way To Vent Attic Space

If you re serious about finding the best way to keep an attic cool this guide has the answers you need.

Best way to vent attic space.

Of net free area for every 150 sq. In order to facilitate this. 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. Both can be added to uninsulated attics or layered over existing material.

For diy attic insulation you ve got two choices. Understand the pieces and parts that make up attic ventilation so that you can better cool off the space and prevent roof damage year round. If your attic operates on a system where the intake vents are separate from the exhaust vents then you need a minimum of 1 square foot of ventilation for every 300 square feet of attic floor space. We ll start with the easiest methods that most homeowners can do and work our way up to the more time consuming diy projects.

Below you ll find the top 7 best ways to cool your attic down. Insulation at least r 38 or more is there for heating and. Of attic floor space. Fans and vents may be installed on the roof system that will draw the air out of the attic space and exhaust it to the exterior.

Ridge vents which run along a roof s peak and gable vents installed at the gable ends of the attic cancel each other out. 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. Way to vent an attic. Ridge vent must me installed per the manufactures instructions.

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. Loose fill or batt the common term for blanket insulation. Whole house fans powered attic fans. This means for every 150 square feet of attic floor space there should be 1 square foot of net free area.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. It can do both. If you see dampness or frost you need better roof ventilation and some attic vents. These fans may be controlled by a switch or a thermostat which detects heat build up in the attic space and automatically exhausts the attic space.

The code minimum for attic ventilation in the 2012 irc section r806 roof ventilation 1 is as follows. For the best results place roof ventilation near the roof s peak and soffit vents in the eaves. Maybe it s possible to install a gable vent lower in the attic space. In general you should put more entry vents soffit and gable down low than exit vents up high.

The best form of attic ventilation for your home is a balanced system where the intake vents are separate from the exhaust vents. Warm air that escapes living space also carries moisture that will condense on rafters or roof sheathing.