diff --git a/db/migration/V102__heat_pump_site_fix.sql b/db/migration/V102__heat_pump_site_fix.sql
new file mode 100644
index 0000000..648a8d0
--- /dev/null
+++ b/db/migration/V102__heat_pump_site_fix.sql
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+-- Samsung EHS fyzicky stojí v home-01 (převodník 172.16.1.17 v LAN home-01,
+-- MIM adresa 5, živě ověřeno 2026-06-12), ale seed ho přiřadil KV1 (site 4).
+-- Kvůli tomu V096/V101 (where s.code='home-01') nic neaktualizovaly a
+-- telemetrie TČ nikdy netekla; KV1 solver navíc plánoval s neexistujícím TČ.
+
+update ems.asset_heat_pump
+  set site_id = (select id from ems.site where code = 'home-01')
+  where code = 'hp-samsung'
+    and site_id = (select id from ems.site where code = 'KV1');
+
+-- endpoint TČ: skutečný Waveshare home-01 (viz V096/V101, které mířily mimo)
+update ems.site_endpoint e
+  set host = '172.16.1.17',
+      port = 502,
+      unit_id = 5,
+      notes = 'Waveshare RS485 TO POE ETH (B) pro Samsung EHS přes MIM-B19N(T); 9600 8E1, Modbus TCP to RTU, adresa MIM 5 (V102).'
+  where e.id = (
+    select hp.endpoint_id from ems.asset_heat_pump hp where hp.code = 'hp-samsung'
+  );