Attic Fan Temperature Reduction

Temp 84f at 5pm.

Attic fan temperature reduction.

A powered attic ventilator has a different purpose. The ceiling design temp should be the greatest attic temp delta t not the ambient air temps. Temp 92 f at 5pm. 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.

It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air. This was observed on numerous days following the installation. 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.

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. Here are ten different ways to reduce your attic heat temperature and save you money. 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. Use a thermostatically controlled roof mounted ventilator.

Ideal attic temperature and humidity settings. During workdays would leave air conditioner off when leaving in the morning. The attic fan kept my house cooler by 8f compared to pre fan installation days. Ideal attic temperatures and humidity settings aren t always easy to maintain.

The thermostat will usually start at 95 degrees fahrenheit which is the temperature that the attic fan usually starts at. Ad the infrared rays from the sun are powerful. After attic fan installation ac still off during day. 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.

During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly. 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 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. 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.

In colder months attic fans can help you avoid damage.