Attic Fan Keep House Cooler

You can set a multi speed fan to a lower speed when noise is a problem.

Attic fan keep house cooler.

Whole house fans can be noisy especially if improperly installed. During workdays would leave air conditioner off when leaving in the morning. Yes installing an attic fan raises the electric bill. Install an attic fan.

In that case what they really need is a whole house fan not a powered attic ventilator. And they d still want to have the ceiling air sealed and fully insulated to minimize heat transfer from the attic to the house. When the day begins and temperatures rise the whole house fan should be turned off. All whole house fans should be installed with rubber or felt gaskets to dampen noise.

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. Temp 84f at 5pm. After attic fan installation ac still off during day. The downside of attic ventilation fans.

The attic fan kept my house cooler by 8f compared to pre fan installation days. Once the attic begins to heat up the attic fan kicks on and helps keep the attic cool all day long. Good insulation reduces fan effectiveness. The result is a cooler attic space with plenty of air exchange.

Temp 92 f at 5pm. This was observed on numerous days following the installation. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit.

In general a large capacity fan running at low speed makes less noise than a small fan operating at high speed. 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. Install electric ventilators and attic fans which remove hot air from an attic. Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.

Adding an attic fan can improve the airflow in your attic to keep it cool. 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. Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape. They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.

However the utility of attic ventilation fans is actually quite a controversial topic. As with new homes those without air conditioning shouldn t need to worry about keeping the attic cooler.