1) One year warranty for electrical parts, except UV Lamp. Warranty starts from date of dispatch. 2) Filters are consumables, get blocked or choked because of water only. If water quality is good filters life will be more, If water quality is bad (More turbidity or more TDS) Filters life will be less.so,not covered in Warranty. 3)Electrical part will be send through courier but technicians charge is to be pay by customer.