The coolmaster climate platform lets you control HVAC through CoolMasterNet.

Configuration via the frontend

Menu: Configuration -> Integrations.

Click on the + sign to add an integration and click on CoolMasterNet. Select the host and port of your instance, and check the box for the modes supported by your HVAC units. The units you have configured in CoolMasterNet will be automatically added to Home Assistant as Climate entities and matching devices.