This will definitely produce noise while the blades are rotating.
Attic fan vibration problem.
If the blades are unbalanced you can balance them yourself.
If the fan blades are imbalanced or bent they can hit against one another or against other parts of the fan.
The lateral deflection is minimal think back massager not a ceiling fan with one blade.
You need to secure the screws in place more tightly by rotating the screwdriver clockwise.
It is screwed into a plywood frame which is attached to the 2x4s around the gable vent.
This will give the fan the airflow it needs.
Manufacturer airvent inc model 53850 suggested use up to 2100sqft.
Remove the current worn out bearings and replace them.
If you have a closed off attic open a window at the other end or install one to solve this problem.
Obviously the fan s vibration noise is being transmitted into the living area at a higher level than you re willing to accept.
Shut off the fan before examining the blades and see if there s a problem or not.
All of a sudden that attic fan isn t needed anyway.
Due to regular wear and tear these bearings can become worn out or lose their lubrication ability.
A lack of intake ventilation is one of the biggest items.
The big complaint that leads to an attic fan request is usually a hot second floor which can largely be mitigated by air sealing the attic and installing a generous bit of insulation drastically reducing conduction and convection.
Soffit vents blocked by insulation is a common problem.
The problem is that when the fan is running the vibration is annoying.
It is almost impossible to tell from the outside if the vents are blocked by insulation.
Attic fans also have small ball bearings that help lubricate the fan s movement.
It s the standard home depot type fan for reducing excess heat in the attic and it works on a thermostat which i have set at 100.
The remington solar ventilation attic fan is completely the remington solar ventilation attic fan is completely powered by free solar energy.
Attic fans rattling and shaking are quite common and it s a problem faced by many homeowners who have fans.
Crappy fan or improper mounting.
If this does not stop the noise then slide a washer over the screw so it will be positioned between the screw and the fan.
Attic is 1 500 sqft.
1 5500cfm attic fan with thermostat and humidistat.
A newly installed attic fan vibrates.
This happens when the fan doesn t receive enough air.
What is the best way to reduce the vibration.
The ventilator fan s blade may be a little out of balance causing it to vibrate excessively or the fan s mounting may not be secured well enough or secured too well.
Attic ventilation problems can be caused by a number of things.