To calculate the overall star rating and percentage breakdown by star, we do not use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Installed easily. The only thing I wish I could control is the temp difference between AC and Heat in the automatic setting. It's fixed at 5 degrees and I'd prefer to change that. It does work very well. It's easy to access via phone app.