Ключевые слова: appliance, atmosphere, background, climate, closeup, coil, coils, comfort, conservation, control, dark, design, distribution, domestic, efficient, electric, element, emission, energyefficient, enhancement, equipment, glowing, grille, heater, home, household, indoor, infrared, interior, modern, personal, portable, provider, radiant, radiation, red, regulation, room, safety, saving, sleek, solution, source, technology, temperature, thermal, warmer, warmth, winter,