The coir needs to be damp. You can't keep aspen shavings damp, and aspen alone is far too dry. Coir works but its too messy for sulcatas. I've tried it and I don't like it. Fine grade orchid bark works better.
The rest is sounding pretty good.
You said he sleeps in a "95 hide". Is that temperature or humidity percentage? If that is humidity, its great. If that is the temperature, its too hot.
95 humidity hide. I use my hand to soak the choir that is under the bark, the bark acts as a carpet because it's less messy.