Such duration varies depending on the end product for which it is used. Motors, controls and accessories used for roller shutters, interior and exterior blinds, curtains, awnings, commercial grilles are covered for 5 years from date of manufacture.  Motors, controls and accessories used for residential garage doors and gates and for industrial shutters are covered for 3 years from date of manufacture. Motors, controls and accessories used for Tertiary Access are covered for 1 year from date of installation or 18 months from the date of Invoice, whichever is earlier.   The date of manufacture appears on most Products. lf not, the starting date of the warranty is the date of the SOMFY invoice. When the same Product can be used, according to SOMFY instructions, for various end products, the longest warranty will apply.