Have a look a bit further into the details.
EMHASS provides an optimal solution for when to run your appliances.
It doesn’t depend on solar, battery or variable pricing, but can take those into account.
It can be setup with fixed pricing, time of use schedule or in my case prices that change every 5 minutes, which I pull from my energy provider integration. Amber Electric (Australia) Custom Component
I tell it I want to run my hot water system for 6 hours a day, my filter pump for 3 hours a day and it creates an optimal schedule including switching those devices at the correct time.
If you are after a simpler solution have a look at Running Devices When Energy is Cheaper and Greener or Use Amber Electric Forecast to Optimize what hours are selected for pool pump each day