Attic Fan Temperature Reduction

The ceiling design temp should be the greatest attic temp delta t not the ambient air temps.

Attic fan temperature reduction.

In the summer you can drastically reduce the temperature in the attic helping to lengthen the life of the roofing shingles and sheathing. This was observed on numerous days following the installation. The attic fan kept my house cooler by 8f compared to pre fan installation days. 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.

Quietcool attic fans work almost everywhere almost anytime. Ideal attic temperatures and humidity settings aren t always easy to maintain. During workdays would leave air conditioner off when leaving in the morning. Ad the infrared rays from the sun are powerful.

Here are ten different ways to reduce your attic heat temperature and save you money. Temp 92 f at 5pm. This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner. It will help to keep the attic much cooler in the summertime.

Use a thermostatically controlled roof mounted ventilator. Unlike a ventilation fan a whole house fan an attic mounted fan that exhausts air from a home at night is designed to cool a house that is to lower the indoor temperature. Freezing and excessively hot outdoor temperatures rain and high. 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.

Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside. It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly. With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly.

A powered attic ventilator has a different purpose. Temp 84f at 5pm. 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. The thermostat will usually start at 95 degrees fahrenheit which is the temperature that the attic fan usually starts at.

The solar attic fans all moved less than 1 000 cubic feet of air per minute cfm and they did nothing to lower the temperature inside my own attic.