Belt Drive Vs Direct Drive Attic Fan

I fantasized building a small shack outside my house and setting the attic fan in the shack and running a duct up to the attic and through the same vent as an attic fan.

Belt drive vs direct drive attic fan.

Also make sure your unit has a welded frame so it will not loosen up and begin to squeak. Belt drive 2 speed whole house fan is designed for houses with 1 800 sq. This ventamatic whole house direct drive fan offers an efficient way to trim cooling costs while keeping your entire home more comfortable. Unlike belt driven fans there s less energy loss because there s a reduced amount of friction as the fan operates.

You have a fan a motor and maybe a coupling. Additionally they re easier to clean. This is because of the fact that the amount of friction is greatly reduced in case of this fan when the fan is operating. Direct drive fans have no power transmission loss since the propeller is directly connected to the motor shaft.

Coming to the advantage of this kind of an industrial fan the biggest advantage is greater efficiency. Belt drive whole house fans that use an integrated pulley provide for a smoother and quieter operation than direct drive fans. Unlike the belt driven fans in case of a direct drive fan there is lesser energy loss. When compared to belt drive fans which require belts sheaves and bushings direct drive is just plain simpler and maintenance folks tend to lean toward direct drive for daily maintenance.

I think that the belt drive blades can turn slower with a deeper pitch than a direct drive. Direct drive units are also louder than their. Direct drive fans require fewer parts and thus usually less maintenance. It features a powder coated finish for weather resistance.

Ventamatic whole house fan 24in 3092 cfm belt drive model cx24bd2spd 9. However a belt drive fan has power transmission loss due to the friction between the belt and sheaves and due to the drive shaft bearings. Generally speaking the more blades a fan has the quieter it will be. That would be quiet but would look like a mess from outdoors.

Belt drive fans are quieter than direct but still noisy. I had a belt drive with a two speed motor years ago. It offers an efficient way to reduce cooling costs while keeping your whole house more comfortable. Also may be more expensive when similar direct drive and belt driven fans are compared side by side.

That pulls more air with less fan noise. The cool attic 24 in.