Check out these other ways to improve the energy efficiency of your attic.
Ways to improve attic ventilation.
If you have either ice dams or moisture buildup improve your attic ventilation.
Before we explore how to ventilate an attic space it is prudent to understand how much ventilation is needed.
A 30 x 40 ft.
These vents allow outside air to enter the attic at the lowest point of the roof along the underside of the eave.
In attic ventilation leave a comment.
Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca.
Sure installing roof vents for older homes can reduce your hot air during the summer but there are probably more low risk cost effective ways to increase your home s energy efficiency.
In order to facilitate this exchange of warm and cool air the general rule.
Then aim for about 1 sq.
If this is the case the warm moist air from your living space is being drawn into the attic to try to equalize that pressure.
Also the vent should remain open.
3 ways to improve attic ventilation for increased air conditioning efficiency.
Ventilation can be accomplished using various products and techniques.
Begin by making sure your existing system works photos 1 and 3 plugging major air leaks into the attic photo 2 and correcting any other of the common causes of poor attic venting.
Attic for example has an area of 1 200 sq.
It s near impossible to actually stop the natural flow of warm moist air entering your attic from the living space so the vent helps to flush that out.
The building code lets you reduce that by half under some conditions but more roof ventilation is usually better.
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.
Ways to improve attic ventilation.
In addition to ventilation energy efficient attic fans and radiant barriers a number of other methods exist to improve your home s energy efficiency.
In of vent opening per 150 sq.
Whether it is a small single.
Global warming has already shown its impact on nature.
Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.
First determine your attic area by multiplying the length by the width.
Rectangular soffit vents are probably the most popular among the homeowners due to their affordability and easy installation even an inexperienced diyer may perform following the instructions.