Producer Price Index by Industry: Air-Conditioning, Refrigeration, and Forced Air Heating Equipment Manufacturing: Warm Air Furnaces, Including Duct Furnaces and Humidifiers, and Electric Comfort Heating (PCU333415333415C)

U.S. Bureau of Labor Statistics, Producer Price Index by Industry: Air-Conditioning, Refrigeration, and Forced Air Heating Equipment Manufacturing: Warm Air Furnaces, Including Duct Furnaces and Humidifiers, and Electric Comfort Heating [PCU333415333415C], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PCU333415333415C, .