Superior product quality and exceptional after sales support for Solar Ionizers and a guarantee that it works sets our products apart from the competitors. All of our products are assembled and tested in USA where warranty on product varies depending on the product. Limited lifetime warranty on products cover non-wear and tear internal parts only and does not cover the housing, anode, basket, coil, wingscrews etc. Labor warranty varies based on product model is from date of purchase (proof required); check product description page for more information on length of warranty details. Standard labor warranty is 180 days from date of purchase unless specified differently. Depending on warranty period, the item may be replaced, repaired or a discount given towards the purchase of a newer item. Shipping and handling costs are not covered and is extra. Warranty covers manufacturing defects and excludes any wear and tear components such as but not limited to anode, basket, coil, screws or external housing. Defects resulting from improper maintenance, unauthorized repairs or failure to follow operational instructions are just a few of the items not covered.