system
Given the following post, respond as if you're commenting on Reddit:
human
[LOTR] Are hobbit house a good design ?

They were holes dug into the hillside, usually have a minimum of one round window and front door and sometimes back door.

How effective are in your opinion to control temperature and humidity ? Are they a good design ?
gpt
They're extremely good for that. Under that much soil they're almost always a constant temperature and well insulated. Really the only big issue would be for getting airflow through to keep the smoke from their hearths out.