xkcd #3099: Neighbor-Source Heat Pump
Title text:
The installation of the pipes on the inside of the insulation can be challenging, especially when the neighbor could come home at any minute.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3099/
this is up there at the "they will pay for the wall" level intelligence.