PETRA ENGINEERING INDUSTRIES

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing

NAICS #333415 | This U.S. industry comprises establishments primarily engaged in (1) manufacturing air-conditioning (except motor vehicle) and warm air furnace equipment and/or (2) manufacturing commercial and industrial refrigeration and freezer equipment. Manufacturing motor vehicle air-conditioning systems and compressors--are classified in U.S. Industry 336391, Motor Vehicle Air-Conditioning Manufacturing; Manufacturing household-type refrigerators and freezers--are classified in U.S. Industry 335222, Household Refrigerator and Home Freezer Manufacturing; Manufacturing portable electric space heaters, humidifiers, and dehumidifiers--are classified in U.S. Industry 335211, Electric Housewares and Household Fan Manufacturing; Manufacturing heating boilers, heating stoves, floor and wall mount furnaces, and electric wall and baseboard heating units--are classified in U.S. Industry 333414, Heating Equipment (except Warm Air Furnaces) Manufacturing; and Manufacturing furnace air filters--are classified in U.S. Industry 333411, Air Purification Equipment Manufacturing.

Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers

NAICS #42373 | This industry comprises establishments primarily engaged in the merchant wholesale distribution of warm air heating and air-conditioning equipment and supplies. Merchant wholesale distribution of household-type electrical appliances and room air-conditioners--are classified in Industry 423620, Electrical and Electronic Appliance, Television, and Radio Set Merchant Wholesalers; Merchant wholesale distribution of hydronic heating equipment--are classified in Industry 423720, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers; and Selling and installing warm air heating and air-conditioning equipment--are classified in Industry 238220, Plumbing, Heating, and Air-Conditioning Contractors.

Household Appliance Stores

NAICS #443111 | This U.S. industry comprises establishments known as appliance stores primarily engaged in retailing an array of new household appliances, such as refrigerators, dishwashers, ovens, irons, coffeemakers, hair dryers, electric razors, room air-conditioners, microwave ovens, sewing machines, and vacuum cleaners, or retailing new appliances in combination with appliance repair services. Retailing household appliances via electronic home shopping, mail-order, or direct sale--are classified in Subsector 454, Nonstore Retailers; Retailing new sewing machines in combination with selling new sewing supplies, fabrics, patterns, yarns, and other needlework accessories--are classified in Industry 451130, Sewing, Needlework, and Piece Goods Stores; Providing household-type appliance repair services without retailing new appliances--are classified in U.S. Industry 811412, Appliance Repair and Maintenance; and Retailing used appliances--are classified in Industry 453310, Used Merchandise Stores.