A/C Automation – (Reason: Temperature can be set based on the number of persons in the room)
Main reason for higher electricity is HVAC & Lightening – Automation in that will set the brightness dimming according to the level of sunlight present in the room)
By this you can save 25 – 30 %.
When it comes to Industrial or commercial it is down to lakhs, Think of it.
Yes it is possible, if it does not comes under budget in wireless Automations.
In the construction stage itself, the provisions for every room will be provied- If your automating only for any 2 of your rooms at present, you can scale it in future.