Attic Fan Keep House Cooler

Install electric ventilators and attic fans which remove hot air from an attic.

Attic fan keep house cooler.

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

When the day begins and temperatures rise the whole house fan should be turned off. 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. Adding an attic fan can improve the airflow in your attic to keep it cool. Install an attic fan.

And they d still want to have the ceiling air sealed and fully insulated to minimize heat transfer from the attic to the house. Yes installing an attic fan raises the electric bill. You can set a multi speed fan to a lower speed when noise is a problem. The result is a cooler attic space with plenty of air exchange.

Whole house fans can be noisy especially if improperly installed. The downside of attic ventilation fans. In general a large capacity fan running at low speed makes less noise than a small fan operating at high speed. After attic fan installation ac still off during day.

Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape. During workdays would leave air conditioner off when leaving in the morning. 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. 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. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit. Once the attic begins to heat up the attic fan kicks on and helps keep the attic cool all day long. Temp 92 f at 5pm.

Temp 84f at 5pm. If the attic fan increases the comfort level of the house it may be worth it. Good insulation reduces fan effectiveness. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic.

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.