Attic Eave Fan

The attic fan kept my house cooler by 8f compared to pre fan installation days.

Attic eave fan.

Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool. A hot ceiling tells you that the attic is acting like a solar oven raising your cooling bills and cooking the shingles. Master flow 1450 cfm silver electric powered gable mount electric attic fan model egv5smt view the master flow gable vents 118 00 118 00. It can quickly remove a larger volume of hot and or humid air from your attic when compared to static ventilation.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Even though an attic exhaust fan can incrementally lower the temperature of a very hot attic using a fan does not stop the source radiant heat. During the day any cooler air brought in by the fan will be heated up immediately by the surrounding structure. When passive methods aren t sufficient an electric fan installed at a soffit vent draws additional outside air into the attic to augment the chimney effect.

Most fans cannot keep up. Temp 84f at 5pm. The downside of attic ventilation fans. This was observed on numerous days following the installation.

During workdays would leave air conditioner off when leaving in the morning. Good insulation reduces fan effectiveness. Thick ridges of ice on your eaves in winter are a sign of poor attic ventilation. 1150 cfm galvanized steel electric powered attic fan with adjustable thermostat model gf 14 429 00 429 00.

After attic fan installation ac still off during day. 1250 cfm weathered wood galvanized steel electric powered attic fan with thermostat controlled the master flow erv5 power roof vent is a the master flow erv5 power roof vent is a great overall investment in attic ventilation. Warm air that escapes rooms below gets trapped in the attic. Attic fan ventilation attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside.

Intake vents located at the lowest part of the roof under the eaves allow cool. However the utility of attic ventilation fans is actually quite a controversial topic. Temp 92 f at 5pm. Snow melts and the water refreezes on the cold eaves creating ice dams.