How do people's birds stay social with people in bird rooms?

I'm thinking of moving my bird into a bird room so we can further expand the flock and have them together in the same room. During summer, I can play with them every day, but my parents are divorced so my birds will have to stay at one house. I can't take them back and forth. My dad can't spend time with them every day, but I could probably go over nearly every day right after school, from 4 until 5. If I miss a day, I think that will be okay because every weekend the birds would be out of their cages for nearly 8 hours on both days. I could leave the bird room door open so they hear my dad come and go, and his girlfriend loves birds so she'd take them out and give them treats and everything. Would this be okay for them? If not, I could put all cages on stands and have places for them in the living room and if my dad needs to he can roll them into the bird room. Having a bird room would also be great because I'm building a large playgym for multiple birds and it would be a hassel to move it from that room to the living room every single time I wanted to use it.