His setup is relatively simple. Low-power electric heaters suspended above a mountain meadow heat the ground and the plant life beneath, three degrees warmer than the surrounding area.
Earlier that day, I'd asked Ali to set up the kursi for us--which was basically an electric heater under a low table covered with a thick, quilted blanket.
Some people have, in addition to a heating system in their houses, electric heaters that they put in individual rooms when they want just one room to be warmer than another.