The resource of operation of the conditioner directly depends on quality of its execution, quality of installation, regularity of maintenance and the correct operation.
For example, Mitsubishi Electric says: The resource of a household series is about 9 years in an operating mode of 6 days in a week from 8 o’clock in the morning to 8 o’clock in the evening.
Flowing units don’t need continuous maintenance, unlike the accumulative electric devices. Tank walls are exposed to corrosion and descale. If water in the house differs in rigidity, then for its mitigation it is possible to install a special filter.