And since the roof must be penetrated for some attic fan installations there is concern about that it may lead to water damage.
Why attic fans are bad.
These fans are designed to remove excess heat from your attic which in theory is supposed to lessen the load on the air conditioning in your home.
In short are attic fans good or bad.
Let s discuss the primary concern homeowners have about attic fan installation.
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.
Attic fans exhaust hot air from your attic to the outside.
With the summer season upon us now is a good time to review an uncomfortable topic.
Hot attics and why traditional exhaust fans don t work well enough to cool them off.
Why attic fans don t work well and what to do instead.
Most attic fans have thermostats that regulate the air cycles.
The downside of attic ventilation fans.
A very hot problem last week we had some warm weather for the first t.
How an attic fan works.
Your attic fan may not be turning on because of an electrical problem like a tripped circuit breaker a blown fuse or a bad connection.
If the attic fan isn t turning on it could be an electrical issue a problem with the thermostat or the motor of the fan that s not working.
Most homeowner s will find that the overall cost of an attic fan and the thermostat regulator is much less expensive than subsequent air conditioning bills in the summer months.
Good insulation reduces fan effectiveness.
Ventilation fans or powered attic ventilators are designed to cool the attic pushing out the hot attic air and rushing in a flow of cool outside air.
Pulling hot air out of the attic and cool air into the attic.
If an attic fan is properly installed it will act as an air circulator.
However the utility of attic ventilation fans is actually quite a controversial topic.
Many homeowners hear about attic fans installed by friends and neighbors and want to know if an attic fan is a good idea or just a waste of money.