Sounds t me like the roofing salesman is practicin his bs.
Ridge vent vs traditional roof vent.
A ridge vent runs across the top of the roof s peak.
Years of research have proven that air vent ridge vents combined with under eave venting are the most efficient and effective system you can install.
Their location roof venting works by letting in air from lower down on the roof like through a soffit vent and letting it out at a higher point in the roof.
Ridge and soffit venting provide a more natural and efficient air flow and provide a much higher percentage of actual ventilation.
Here are the two main advantages that ridge vents have over other types of vents.
Roofing manufacturers warranties require a minimum of one square foot of ventilation for every 150sf of attic space for traditional systems but only one square foot of ventilation for every 300sf when the ridge vent system is used.
Ridge vents are installed at the peak of the roof which is the highest point possible.
That is a good indication of the difference in efficiency.
But the ridge vent maintenance and running cost is a lot less than for turbines when.
You ll be able to move air throughout the attic without the use of fans or turbines when enough space is given to this vent design.
With a ridge vent system intake vents must be placed low on the roof usually in the eaves.
Roofing manufacturers warranties require a minimum of one square foot of ventilation for every 150sf of attic space for traditional systems but only one square foot of ventilation for every 300sf when the ridge vent system is used.
Roof louvers aka roof cans which is best.
The effect of ridge vents for the roof depends upon the energy efficient nature of the structure.
After tear off it came back to me that we have 60 of re usable rolled.
However if you were only going to install 3 or 4 the turbines would be more affordable to you.
Ridge vents do not always provide the proper ventilation in some homes.
If you were to install about 40 feet of roof ridge vent the area would span up to 10 turbines in this case 10 turbines would cost you substantially more to purchase and install.
A ridge vent is similar to a screen and allows heat to escape up and out of the attic.
List of the cons of roof ridge vents.
If it fits in your budget i would highly recommend upgrading as it will not only make your new roof look nicer it will save you money on cooling in the summer months.
Ridge vent versus traditional vents.
As a standard for my company we use cobra rigid vents platic style so i ve never put much thought into it well a couple years back i installed cobra rolled ridgevent on 1 3 of my folks roof without thinking when i ordered materials i asked for the rigid vent 150.
I don t know of any evidence to the contrary.
