Attic Fan Keep House Cooler

All whole house fans should be installed with rubber or felt gaskets to dampen noise.

Attic fan keep house cooler.

The downside of attic ventilation fans. When the day begins and temperatures rise the whole house fan should be turned off. Install electric ventilators and attic fans which remove hot air from an attic. In general a large capacity fan running at low speed makes less noise than a small fan operating at high speed.

During workdays would leave air conditioner off when leaving in the morning. 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. The attic fan kept my house cooler by 8f compared to pre fan installation days. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit.

However the utility of attic ventilation fans is actually quite a controversial topic. Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape. Yes installing an attic fan raises the electric bill. Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.

Once the attic begins to heat up the attic fan kicks on and helps keep the attic cool all day long. And they d still want to have the ceiling air sealed and fully insulated to minimize heat transfer from the attic to the house. A whole house fan can be run from early evening to early morning effectively cooling the structure of your home using the cool free outside air. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic.

Good insulation reduces fan effectiveness. Whole house fans can be noisy especially if improperly installed. Temp 92 f at 5pm. As with new homes those without air conditioning shouldn t need to worry about keeping the attic cooler.

Adding an attic fan can improve the airflow in your attic to keep it cool. Temp 84f at 5pm. This was observed on numerous days following the installation. To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor.

If the attic fan increases the comfort level of the house it may be worth it. Install an attic fan. They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees. However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic.

In that case what they really need is a whole house fan not a powered attic ventilator. 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.