Attic Fan Vibration Problem

1 5500cfm attic fan with thermostat and humidistat.

Attic fan vibration problem. If the blades are unbalanced you can balance them yourself. 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 is 1 500 sqft. It is screwed into a plywood frame which is attached to the 2x4s around the gable vent.

Attic fans rattling and shaking are quite common and it s a problem faced by many homeowners who have fans. If you have a closed off attic open a window at the other end or install one to solve this problem. The problem is that when the fan is running the vibration is annoying. The lateral deflection is minimal think back massager not a ceiling fan with one blade.

A lack of intake ventilation is one of the biggest items. 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. Soffit vents blocked by insulation is a common problem. If the fan blades are imbalanced or bent they can hit against one another or against other parts of the fan.

This american designed fan is designed to reduce attic temperatures and remove destructive moisture thus making your home more comfortable and reducing the load on your hvac system and lowering your. This will give the fan the airflow it needs. Attic ventilation problems can be caused by a number of things. A newly installed attic fan vibrates.

You need to secure the screws in place more tightly by rotating the screwdriver clockwise. 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. This happens when the fan doesn t receive enough air.

Remove the current worn out bearings and replace them. This can cause the fan to start making constant noise and in some cases even a loud squealing sound. Manufacturer airvent inc model 53850 suggested use up to 2100sqft. It is almost impossible to tell from the outside if the vents are blocked by insulation.

This will definitely produce noise while the blades are rotating. A gable attic fan is attached to the attic wall by screws and if they are loose the vibration can cause an awful noise. Obviously the fan s vibration noise is being transmitted into the living area at a higher level than you re willing to accept. Crappy fan or improper mounting.

Due to regular wear and tear these bearings can become worn out or lose their lubrication ability. 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. What is the best way to reduce the vibration.