or unit DB(A) 26 Outdoor unit DB(A) 47Recommand additional water tank for Domestic Hot Water L >150TWO YEAR WARRANTY !We provide 1% free spareparts with containered order and 2 year warranty of main parts for factory fault.We will send the spare parts by courrier method after confirm it is due to factory fault.We don't cover the cost for failure from shipment, wrong installation and incorrect usage. Of course we can provide parts by customer's cost after warranty period.