You do not want a box vent acting as in intake vent b c it will suck air in and can also suck in rain or snow with it.
Roof box vents vs ridge vents.
It also works better because it creates a vacuum.
It has the ability to work with vaulted ceilings and you only need one of them to get the job done for ventilation as compared to multiple box vents.
Many homes are designed where either a ridge vent or box vent will work equally well.
Box vents square covered vents with no moving parts.
Wind turbine vents metal vents with an internal turbine that helps circulate air as the wind blows.
Continuous ridge vents are more expensive than roof box vents but since they are non mechanical there is no need for electric connections or concerns that there could be an electrical failure.
Pros these types of vents are often mistaken for box vents however they do function in quite the same way.
It is in my eyes the best way to properly vent a roof.
Ridge vents are installed at the very peak of a sloped roof in order to provide a safe outlet for hot humid air.
For example if your home has cathedral ceilings the ridge vent is the only viable solution.
It is best to use a continuous ridge vent on a shingled roof.
Ridge venting is a more costly way to go but if your roofing contractor is up front and honest the price will vary minimally.
Your roof life seems to diminish with box vents.
Box vents also isolates where the air is being pulled from leaving the roof not properly ventilated in some areas.
The reason you do not mix them is that the ridge vent can turn the box vents into intake vents.
Considering the fact that ridge vents are more aesthetically pleasing our recommendation would be the ridge vents.
Here s a list of the most popular vents used by roof companies in toronto.
Ridge vent and box vents are both considered exhaust vents.
Continuous ridge vents are more effective because they are installed at the peak of a roof s ridge allowing for warm air to escape from the attic.
Cons these mimic the box vents in their effectiveness and generally need several to be installed.
On a roof where four slopes converge to a single small ridge as shown above box vents are required for proper ventilation.
Although their overall purpose is the same ridge vents fundamentally differ from box vents in placement appearance and function.
Ridge vents are most commonly seen on residential buildings with shingles and a sloped roof.