Other whole house fan companies use an open face motor with exposed electrical windings, like the one below. These fans are very inexpensive to manufacture since they rely on air movement from the fan to cool the motor; however, this also allows dirt and debris to easily plug the motor causing it to over heat and prematurely fail
[…] whole house fan manufactures typically use an open motor with exposed electrical windings, which allows dirt and debris to plug the motor causing it to over heat, and prematurely fail. They […]
December 10, 20166:57 pm