docs: for PR #5420

ACKNOWLEDGEMENTS.md

@@ -868,3 +868,4 @@ Further device support has been made with the assistance of users. Please consid
 - [viljasenville](https://github.com/viljasenville) for contributing support for Point PODH20 dehumidifier.
 - [Yevhen-Pechurin](https://github.com/Yevhen-Pechurin) for contributing support for Tervix Pro Line thermostat.
 - [Beersteak](https://github.com/Beersteak) for contributing support for Parkside PBB-A1 water timer.
+- [eldarsudden](https://github.com/eldarsudden) for contributing support for Teploluxe MCS350 thermostat.

DEVICES.md

@@ -326,6 +326,7 @@
 - SimPal TY-130 thermostat switch
 - T5E-WF thermostat
 - Tellur thermostat
+- Teploluxe MCS350 thermostat
 - Tervix Pro Line thermostat
 - Thermoval TVT40 thermostat
 - TyloHelo SaunaLogic2 sauna controller