docs for PR #5004

ACKNOWLEDGEMENTS.md

@@ -785,3 +785,4 @@ Further device support has been made with the assistance of users. Please consid
 - [remarkable-bit](https://github.com/remarkable-bit) for contributing support for Elitech ECS-974T thermostat.
 - [slv96](https://github.com/slv96) for contributing support for Tauclima DGN-250 heat pump water heater.
 - [minzoong](https://github.com/minzoong) for contributing support for LDH-7700 dehumidifier and UK002WL2 dual switch.
+- [vtashev](https://github.com/vtashev) for contributing support for Engo EFAN230 fan coil thermostat..

DEVICES.md

@@ -260,7 +260,7 @@
 - EleChico CCST6001 thermostat
 - Elitech ECS-974T refrigeration thermostat
 - Emmeti Zona thermostat
-- Engo E901WiFi thermostat
+- Engo E901WiFi and EFAN230 thermostats
 - Essentials Wall thermostat
 - ETOP-FCU thermostat (Jaga JRT-100TW)
 - ETOP-HP thermostat (CH7100)