I created a template sensor “Indoor Temperature” which takes the max of all my indoor temp sensors. But often some become available and my log gets swamped with error messages like below:
How can I avoid this and just ignore any sensor which is unavailable?
Well for a start with that template you are taking the max value of strings not numbers. So 20 would be larger than 100. When converting your strings to numbers with the |float filter you can supply a default value of 0 to be used when the string can not be converted to an number, like this |float(0).
However, a far easier method is to use this helper:
It will find the max for you and ignore unknown and unavailable sensors.
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