Why Attic Fans Are Bad

Good insulation reduces fan effectiveness.

Why attic fans are bad. The downside of attic ventilation fans. How an attic fan works. In short are attic fans good or bad. In fact that whole house fan will look like a bbq during the summertime with the use of a thermal camera as pictured above.

If an attic fan is properly installed it will act as an air circulator. Hot attics and why traditional exhaust fans don t work well enough to cool them off. 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. An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.

With the summer season upon us now is a good time to review an uncomfortable 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. Attic fans exhaust hot air from your attic to the outside. Pulling hot air out of the attic and cool air into the attic.

However the utility of attic ventilation fans is actually quite a controversial topic. And since the roof must be penetrated for some attic fan installations there is concern about that it may lead to water damage. 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. Let s discuss the primary concern homeowners have about attic fan installation.

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. 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. 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. Most attic fans have thermostats that regulate the air cycles.

A very hot problem last week we had some warm weather for the first t.