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.
Are attic fans worth it in florida.
Find out whether it is economical to run an attic fan.
The point of having an attic fan is to lessen the load on your ac system saving you money.
This backdraft can bring dangerous and toxic fumes into your home like carbon monoxide an odorless and deadly gas.
Do not use mechanical means electric attic fans.
This was observed on numerous days following the installation.
I loved this ventilator because the 70 watt fan is a powerful fan that can cool a large space effectively.
However there are certain circumstances where they can prove useful.
Temp 84f at 5pm.
Studies have shown that energy costs in a home with an attic fan can be up to 30 lower.
Attic ventilation fans could be effective if your home has.
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.
Attic insulation that is less than r 19.
Temp 92 f at 5pm.
The attic fan kept my house cooler by 8f compared to pre fan installation days.
There are too many different.
Based on total costs of 750 it would take 5 5 years to recoup the costs.
Instead of installing a fan just make sure your attic is well ventilated.
Electric fans are more powerful and use very little energy.
This is about on par with what matt risinger states in his video on solar attic fans linked below.
It may be starting to sound like attic ventilation fans aren t worth the hassle and could cause more problems than they solve.
During workdays would leave air conditioner off when leaving in the morning.
How solar attic fans in florida differ from full house fans.
So based on the calculations the average person in florida will save 131 36 year.
You have the choice of electric attic fans or solar attic fans.
Some experience 30 lower cooling costs by using an attic fan.
My belief is solar attic fans are not worth it.
After attic fan installation ac still off during day.
Solar fans require no energy other than the sun so there is no cost of operation.
If the attic fan increases the comfort level of the house it may be worth it.
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.
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.
Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed.
It is built with high quality materials and durable motor.