Update docs for new devices.

ACKNOWLEDGEMENTS.md

@@ -30,8 +30,9 @@ Further device support has been made with the assistance of users.  Please consi
  - [jorgenDK](https://github.com/jorgenDK) for assistance in supporting TroniTechnik Air Conditioner, and thanks for the coffee!
  - [Fannangir](https://github.com/Fannangir) for assistance in supporting Tadiran Wind Air Conditioner.
  - [marrold](https://github.com/marrold) for contributing support for ElectriQ CD20PRO dehumidifiers.
- - [Uaeguy](https://github.com/Uaeguy) for assistance in supporting Beca BHP-6000 thermostat, and thanks for the coffee!
+ - [Uaeguy](https://github.com/Uaeguy) for assistance in supporting Beca BHP-6000 and Siswell T29UTK thermostats, and thanks for the coffee!
  - [Johnnybyzhang](https://github.com/Johnnybyzhang) for assistance in supporting Lexy F501 fans.
  - [domgrimm](https://github.com/domgrimm) for assistance in supporting newer models of Kogan heater.
  - [EKCJ](https://github.com/EKCJ) for contributing support for ElectriQ DESD9LW dehumidifiers.
  - [ed-holland](https://github.com/ed-holland) for contributing support for Awow TH213 thermostats
+ - [Vikedlol](https://github.com/Vikedlol) for assistance in supporting Wetair WCH-750 heaters.

README.md

@@ -23,6 +23,7 @@ Note that devices sometimes get firmware upgrades, or incompatible versions are
 - Andersson GSH heater
 - Eurom heater
 - Purline Hoti M100 heater
+- Wetair WCH-750 heater
 
 ### Air Conditioners / Heatpumps
 
@@ -62,6 +63,7 @@ Note that devices sometimes get firmware upgrades, or incompatible versions are
 - Inkbird ITC306A thermostat smartplug (not fully functional)
 - Beca BHP-6000 Room Heat Pump control Thermostat
 - Awow/Mi-heat TH213 Thermostat
+- Siswell T29UTW Thermostat
 
 ### SmartPlugs
 - Kogan Single Smartplug with Energy Monitoring