Translation of fecundate in Spanish

We wanted to take a hot shower but there was no hot water at all. We asked someone to fix it and he showed us that there was a heating switch outside the bathroom which would turn on the boiler.
His name was Samy and he offered to take us to several places. In the beginning we were bothered as he did not stop talking on the way from the airport to the hotel and we thought he tried to sell something.
Lunch was given at a family-run restaurant back in the valley. The headaches disappeared once were were back at 2000 meters. From there we continued to the Salar, a salt lake, mostly arid.