Ventilation Calculation
We count the intake area and exhaust area of your attic and determine if you need to move more air through your attic. Codes written in the past when energy was cheaper called for a 1/300 ratio of attic space to air flow. Or simply put 3 feet of air for every thousand square feet of air. That is 1.5 feet in 1.5 feet out. We believe this ratio should be doubled for the Texas heat. Texas is a hot climate and most energy dollars are spend cooling your house on hot days so moving 6 feet of air for every thousand square feet, that is 3 feet in 3 feet out will make your attic perform much better. Many homes are already designed with this higher ratio of air but we find so many problems with today's homes. In many cases, soffit channels along the base of the roof are often clogged by poorly installed baffle vents. Or the soffit vents themselves intended to be 12" X 6" has a 1" X 4" inch hole quickly cut by a skill saw. Sometimes time has clogged the soffit vents with dust or worn out the bearings on turbines. In other cases, turbines need to be added to peaks with no exhaust that trap air. Whatever your case may be we can provide a solution to move more air through your attic or repair the design items intended to move air through your attic, a CRUCIAL STEP in the Greenlows radiant barrier system.
Products for Ventilation
Wind Turbines
A time tested product that moves huge volumes of air out of your attic. Wind velocity and heat from below spin the turbine which pumps the hot air from your attic. They are relatively inexpensive and take no power to operate. This product is excellent for higher pitched attics with short linear ridges.

Solar Fans
The price of solar fans have decreased significantly over the years. We offer a full line of solar fans and will install them for you as well
Ridge Vents
A great product for long linear spans or lower pitched roofs. A passive design that doesn't pump air out of your attic but the heat inside doesn't not have to move sideways to get out. It just goes up and out.
Soffit Vents - we cut out the FULL intended size for the hole. We can pull clogged or undersized vents and replace them with larger new vents. Maximize your intake into your attic.