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.
How long should an attic fan last.
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.
A hot summer day super heats the attic s air raising temperatures up to 150 degrees fahrenheit making cooling your home a losing battle.
That pool of heated air.
Whole house fans are very energy efficient.
Attic fans exhaust hot air from your attic to the outside.
However the utility of attic ventilation fans is actually quite a controversial topic.
Good insulation reduces fan effectiveness.
An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.
Ad the infrared rays from the sun are powerful.
How long do attic fans last.
An attic fan requires minimal maintenance which is a good thing since.
Attic fans that operate with a thermostat usually automatically turn on the fan based on the temperature that the homeowner sets.
Attic fans are easy to use as long as they re installed properly and there s easy access to the operating switch or dial.
One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.
The solar attic fans all moved less than 1 000 cubic feet of air per minute cfm and they did nothing to lower the temperature inside my own attic.
What should i set my attic fan thermostat to.
Typically attic fans have a lifespan of up to 15 years as long as they are properly maintained.
Drawing only 10 15 of the energy drawn by a central air conditioning system.
They are also efficient from a time standpoint.
This usually involves having the attic fan professionally serviced by an hvac technician who will clean the fan shutters lubricate the oil ports and wash the fan blades as well as inspect the unit for any repairs needed.
Usually fan motors last between 10 15 years and when the fan is approaching its replacement age it is due for a motor replacement.
How an attic fan works.