Do you use a transition period? That could explain it, but I’m not sure how you could avoid it without removing the transition. Maybe adding a delay action to the sensors… I’ve never tried using a delay for that purpose, so it would need testing.
I didn’t suggest that, but if it works… 
My suggestion was that you re-frame the request of this thread to focus on the goal of the automation you are trying to create, instead of focusing on the method of the template sensor… The “what”, not the “how”. If you clearly describe what you are trying to achieve and what problems you are experiencing, it’s more likely that you will receive an answer that addresses the root issue.