What carrier? Maybe something has changed.

From want I've seen and read, you need the carrier specific apps and settings baked into the os.

It does both heat and ac. We went with a horizontal system that takes about 1/2 acers since we have plenty of land. The system installed was less than 15k with the tax credits, but that was a few years ago.

I had to stop running custom roms a few years ago since I need wifi calling. I hate the bloat but where I live now doesn't have cell service.

I've only gone back to reddit anonymously a few times for technical information or guides. I do miss it in some ways but I don't miss how toxic it could be.