Ключевые слова: account, background, battery, concept, conservation, consumption, convector, eco, ecology, economical, economy, efficiency, energy, environment, equipment, female, figure, finance, friendly, future, generation, green, hand, heat, heating, holding, home, house, household, improvement, indoor, innovation, investment, modern, nature, person, power, radiator, regulation, responsibility, room, save, savings, shaped, solution, technology, thermostat, usage, warming, woman,