Attic Temperature Control

A couple different fan styles can be used to help control the temperature of an attic space.

Attic temperature control.

Calculations indicate that on a july day in texas a ventilation rate of one air change per minute for a typical attic using 95 degree f air will lower the peak attic temperature to about 101 degrees f. Lowering the temperature in the attic can lower the temperature in the rest of the home reducing the amount of time the home s air conditioner spends running. Proper precaution in an uninsulated attic such. It can efficiently remove a larger volume of hot and or humid air from your attic when compared to static ventilation.

How can you combat the excessive heat in your attic. Providing half air change per. The erv6 model power roof mount vent can move air at a rate of up to 1500 cu. Taking the necessary steps to control the temperature in your attic won t be easy but will pay dividends in the long run.

Their functions differ somewhat. This in turn can help save money on your heating and cooling costs. Depending on its layout your home may be better suited to one or the. Attic fans draw cooler outside air into the hot attic area through attic vents located either on the roof or on the wall near the gable to reduce the space s temperature.

It is designed for attic spaces up to 2800 sq. There are several ways to do this. Attic temperature depends on the amount of solar radiation construction details and the rate of ventilation. Step 1 install insulation under the attic floors to keep the attic from getting too hot or too cold.

However heating system manufacturers must meet codes that enable your heating system to maintain a steady attic temperature of at least 68 degrees. Other solutions include adding an attic vent or improving attic insulation. The insulation will trap heat instead of letting the heat dissipate to other parts of the home. Temperature control and moisture control are the major reasons for providing attic ventilation.

The ceiling design temp should be the greatest attic temp delta t not the ambient air temps. Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape. The closer you can get the max attic temp swings to ambient the better but it is really hard in existing housing stock especially when the existing roofing surface is nowhere near needing replacement.