Are Attic Fans Worth It In Florida
After attic fan installation ac still off during day.
Are attic fans worth it in florida. You have the choice of electric attic fans or solar attic fans. Attic fans are not recommended if you have central air conditioning because when you turn the fan on in the summer it depressurizes the attic but also reaches down into your house and starts drawing off air conditioned air effectively driving up your cooling costs. During workdays would leave air conditioner off when leaving in the morning. Solar fans require no energy other than the sun so there is no cost of operation.
Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem. The point of having an attic fan is to lessen the load on your ac system saving you money. Temp 92 f at 5pm. It may be starting to sound like attic ventilation fans aren t worth the hassle and could cause more problems than they solve.
If the attic fan increases the comfort level of the house it may be worth it. Electric fans are more powerful and use very little energy. Temp 84f at 5pm. Find out whether it is economical to run an attic fan.
Depending on these things and a few other factors it is possible that your solar attic fan can save you enough on the cost of utilities to have paid for itself in as little as one or two summers of use. Do not use mechanical means electric attic fans. As a certified licensed home inspector it is not correct to say too much ventilation is bad for an attic unless rain moisture is getting in. How solar attic fans in florida differ from full house fans.
Some experience 30 lower cooling costs by using an attic fan. This was observed on numerous days following the installation. Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit.
I loved this ventilator because the 70 watt fan is a powerful fan that can cool a large space effectively. Based on total costs of 750 it would take 5 5 years to recoup the costs. Attic insulation that is less than r 19. Studies have shown that energy costs in a home with an attic fan can be up to 30 lower.
Attic fans can create a negative pressure condition in your home causing vented appliances to backdraft. This backdraft can bring dangerous and toxic fumes into your home like carbon monoxide an odorless and deadly gas. It is built with high quality materials and durable motor. The amtrak 70 watt solar attic fan is one of the most impressive attic fans that i have found while looking for products to review.
Instead of installing a fan just make sure your attic is well ventilated. There are too many different. The attic fan kept my house cooler by 8f compared to pre fan installation days. However there are certain circumstances where they can prove useful.
Attic ventilation fans could be effective if your home has.