NEE Warranty (1yr from Date of Installation) We back our workmanship with a warranty period of 1yr from date of installation. We also warranty materials, so long as those materials are both supplied & installed by NEE. In the case of customer-supplied materials, we back our workmanship. If the customer-supplied materials or device is faulty, it is not covered by NEE. The faulty materials or device may be covered by the manufacturer or the retailer it was...