Ключевые слова: alternative energy, alternative heating, alternatives, architecture, building, building activity, circuit, concept, concepts, construction industry, cooling, cooling system, earth energy, efficiency, energy, environment, environmental conservation, fuel and power, generation, geothermal, geothermal heating, geothermal plant, geothermal power, geothermal power station, geothermal reserve, geothermic, ground, grounds, groundwater, heat, heat temperatures, heating, home, hot, natures, pipe, pipe tube, piping, power in, pump, refreshment, refrigeration, renewable, renewable energy, residential building, sustainable, sustainable energy, sustainable resources, thermal, underfloor, warm, water,