Ключевые слова: abstract, air, architecture, background, build, ceiling, comfort, concept, conditioner, conditioning, conservation, conserve, contractor, design, diamond, dirty, duct, electric, energy, environment, environmental, flow, global, grate, gray, grid, heat, high, home, house, industrial, industry, interior, iron, metal, metallic, office, pattern, radiator, register, square, steel, summer, system, temperature, vent, ventilation, warming, winter,