I have already done this kind of projects. The thing I need to do is only a GSM module Interface only. That will be very easy with Serial Communication. I have the video already.
The Specifications
1. Up to 8 Channel per Room Possible, with multiple fan regulators, with IR remote and Push buttons on the wall
2. 240V, 6 A per channel, Spike protection, Memory.
3. PCB is already ready