How old is my unit
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How old is my Hisense mini split?

Serial number age decoder for Hisense mini splits: 1 format era, the decode rule in plain English, transcribed tables, and the official lookup.

Format eras

How to read the serial

era not stated formatUNSOURCED

Documented but not evaluated by the decoder: no pattern (no date encoded, or format unknown).
Trap: No source found this session.

Where the data plate is on a mini split

Two plates: one on the side of the outdoor unit, one on the indoor head (lift the front cover or look under the unit). The two serials differ; decode the outdoor unit for the system age.

General guidance, not brand-specific: the owner's manual or the installer can point to the exact spot. See the data plate guide.

Official lookup: the authority

Open the official Hisense lookup takes serial number; returns warranty / registration lookup; URL verified live

This site is a reference built from published tables. The manufacturer's own lookup wins whenever the two disagree.

What we could not confirm

Sources