Eli5: I live in a extremely hot area (115 degrees F) I understand that the pipes run underground and the dirt insulated it to keep it cooler, but, the water coming out of my sink will get as low at 65-70 degrees, which seems cooler than should be possible just by insulation from the ground.

Question

Eli5: I live in a extremely hot area (115 degrees F) I understand that the pipes run underground and the dirt insulated it to keep it cooler, but, the water coming out of my sink will get as low at 65-70 degrees, which seems cooler than should be possible just by insulation from the ground.

In: Engineering

Answer 1

Google geothermal cooling and heating. Super interesting way of heating cooling homes/buildings.

Answer 2

You’d be surprised, is basically the answer. Go down just a few metres, and the ground is almost the same temperature anywhere.