Limited Lifetime Warranty For the lifetime of the original purchase LightningAir will replace any defective part due to manufacturing defect at no charge. The customer is responsible for labor charges and for safely shipping the unit to the Service Center. LightningAir will return the unit via UPS ground. LightningAir purifiers are serviced and warranted by the LightningAir Service Center at 1100-B Smith Avenue, Thomasville, GA 31792. For up to 90 days from original date of purchase, LightningAir will replace or repair the product without charge to the customer should the unit prove to have a manufacturing defect. Simply call LightningAir for authorization and for UPS pickup at no charge to the customer.