How Many Roof Turbines Do I Need

This means that for every 300 square feet of enclosed attic space 1 square foot of ventilation is required with half at the upper portion exhaust.

How many roof turbines do i need.

I d put three or four on a roof to really have a good chance at cooling an attic on a hot summer day. And this guideline you ll need a minimum of. How many vents do i need. Roof turbines remove attic moisture and reduce the risk of costly roof damage.

Do roof turbines require maintenance. How many turbine vents you will need depends on a number of factors including the size and type of building. Thus if your attic is 450 square feet you need roof vents equaling 3 square feet. Having the correct number of turbine vents will provide an effective and balanced system.

Near ridge of the roof. There s no point in wasting time and money getting the wrong ventilator for your roof though. The first step in determining how many vents you need is to calculate the net free area nfa required. A simple application of wd 40 should do the job.

Based on your 1100 sq. Other types there are also several other types of roof vents including dome or box shaped vents that run through the roof itself. Use this simple diy guide to figure out which turbine ventilator best suits your needs. There are also gable and roof fans which actively pull the hot air out of the attic.

Attic must have 5 sq. Turbine vents located higher on the roof s surface turbine vents make use of a wind powered turbine to suck all the moisture and hot air out of the attic. As a general rule your roof needs 1 square foot of vent area for every 150 square feet of attic space. Some turbines have ball bearings that need occasional lubrication.

Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge. How to install a lomanco whirlybird turbine vent add ventilation your roof s attic space. Most codes use the 1 300 rule for minimum residential attic ventilation recommendations. During summer months turbines eliminate hot air from your attic helping you cool your home.

Good attic ventilation is important for preventing ice dams in the winter. Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. These can be ridge vents wind turbines or the flat vents your roofer wants to install. Using a roof turbine ventilator to increase the flow of air in your attic is a great idea.