Industry Description
This industry comprises establishments primarily engaged in the merchant wholesale distribution of warm air heating and air-conditioning equipment and supplies.
Illustrative Examples:
Air pollution control equipment and supplies merchant wholesalers
Non-portable electric baseboard heaters merchant wholesalers
Air-conditioning equipment (except room units) merchant wholesalers
Warm air central heating equipment merchant wholesalers
Automotive air-conditioners merchant wholesalers
Cross-References. Establishments primarily engaged in--
Business Examples
Common types of business activities within NAICS 423730 - Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers are:
- HVAC equipment merchant wholesalers
- Warm air heating equipment merchant wholesalers
- Air pollution control equipment and supplies merchant wholesalers
- Humidifiers and dehumidifiers (except portable) merchant wholesalers
- Compressors, air-conditioning, merchant wholesalers
- Furnaces, warm air (i.e., forced air), merchant wholesalers
- Heat pumps merchant wholesalers
- Baseboard heaters, electric, non-portable, merchant wholesalers
- Cooling equipment and supplies merchant wholesalers
- Ventilating equipment and supplies (except household-type fans) merchant wholesalers
- Condensing units, air-conditioning, merchant wholesalers
- Central heating equipment, warm air, merchant wholesalers
- Pollution control equipment, air, merchant wholesalers
- Sheet metal duct work (heating and air-conditioning) merchant wholesalers
- Heating equipment, warm air (i.e. forced air), merchant wholesalers
- Automotive air-conditioners merchant wholesalers
- Air-conditioning equipment (except room units) merchant wholesalers
- Dust collection equipment merchant wholesalers
IBISWorld Industry Research Report
Heating & Air-Conditioning Equipment Wholesaling in the US (42373)
Revenue 2025
$105.9bn
Growth 2025
4.64%
Key Trends
Green technologies have both become a requirement of the government and a growing preference for consumers
Demand from the construction market was scattered during the COVID-19 pandemic
The government has been shifting policy toward a greener production process
Products and Services
Similar Industries
For some business types, there may be a similar industry to 423730 - Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers that is a better classification match. Establishments primarily engaged in:
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NAICS Cross Reference
Selling and installing warm air heating and air-conditioning equipment--are classified in Industry 238220, Plumbing, Heating, and Air-Conditioning Contractors.
IBISWorld industry research report
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NAICS Cross Reference
Merchant wholesale distribution of household-type gas and electric appliances (except water heaters and heating stoves (i.e., noncooking)) and room air-conditioners--are classified in Industry 423620, Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers;
IBISWorld industry research report
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NAICS Cross Reference
Merchant wholesale distribution of hydronic heating equipment--are classified in Industry 423720, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers; and
IBISWorld industry research report
NAICS Hierarchy 423730 - Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
NAICS Code 423730 - Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers sits in the 2-digit Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers sector. NAICS codes can be 2- to 6-digits and the further along the hierarchy, the more detailed and specific the category will be. Learn more about the structure of NAICS codes
2 Digits: 42
Sector Title: Wholesale Trade
3 Digits 4 Digits 5 Digits 6 Digits
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4231 Motor Vehicle and Motor Vehicle Parts and Supplies Merchant Wholesalers
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42311 Automobile and Other Motor Vehicle Merchant Wholesalers
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42312 Motor Vehicle Supplies and New Parts Merchant Wholesalers
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42313 Tire and Tube Merchant Wholesalers
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42314 Motor Vehicle Parts (Used) Merchant Wholesalers
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4232 Furniture and Home Furnishing Merchant Wholesalers
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42321 Furniture Merchant Wholesalers
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42322 Home Furnishing Merchant Wholesalers
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4233 Lumber and Other Construction Materials Merchant Wholesalers
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42331 Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
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42332 Brick, Stone, and Related Construction Material Merchant Wholesalers
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42333 Roofing, Siding, and Insulation Material Merchant Wholesalers
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42339 Other Construction Material Merchant Wholesalers
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4234 Professional and Commercial Equipment and Supplies Merchant Wholesalers
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42341 Photographic Equipment and Supplies Merchant Wholesalers
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42342 Office Equipment Merchant Wholesalers
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42343 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers
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42344 Other Commercial Equipment Merchant Wholesalers
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42345 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
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42346 Ophthalmic Goods Merchant Wholesalers
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42349 Other Professional Equipment and Supplies Merchant Wholesalers
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4235 Metal and Mineral (except Petroleum) Merchant Wholesalers
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42351 Metal Service Centers and Other Metal Merchant Wholesalers
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42352 Coal and Other Mineral and Ore Merchant Wholesalers
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4236 Household Appliances and Electrical and Electronic Goods Merchant Wholesalers
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42361 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
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42362 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers
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42369 Other Electronic Parts and Equipment Merchant Wholesalers
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4237 Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers
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42371 Hardware Merchant Wholesalers
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42372 Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
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42373 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
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42374 Refrigeration Equipment and Supplies Merchant Wholesalers
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4238 Machinery, Equipment, and Supplies Merchant Wholesalers
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42381 Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers
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42382 Farm and Garden Machinery and Equipment Merchant Wholesalers
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42383 Industrial Machinery and Equipment Merchant Wholesalers
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42384 Industrial Supplies Merchant Wholesalers
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42385 Service Establishment Equipment and Supplies Merchant Wholesalers
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42386 Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
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4239 Miscellaneous Durable Goods Merchant Wholesalers
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42391 Sporting and Recreational Goods and Supplies Merchant Wholesalers
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42392 Toy and Hobby Goods and Supplies Merchant Wholesalers
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42393 Recyclable Material Merchant Wholesalers
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42394 Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers
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42399 Other Miscellaneous Durable Goods Merchant Wholesalers
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4241 Paper and Paper Product Merchant Wholesalers
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42411 Printing and Writing Paper Merchant Wholesalers
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42412 Stationery and Office Supplies Merchant Wholesalers
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42413 Industrial and Personal Service Paper Merchant Wholesalers
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4242 Drugs and Druggists' Sundries Merchant Wholesalers
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42421 Drugs and Druggists' Sundries Merchant Wholesalers
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4243 Apparel, Piece Goods, and Notions Merchant Wholesalers
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42431 Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers
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42432 Men's and Boys' Clothing and Furnishings Merchant Wholesalers
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42433 Women's, Children's, and Infants' Clothing and Accessories Merchant Wholesalers
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42434 Footwear Merchant Wholesalers
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4244 Grocery and Related Product Merchant Wholesalers
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42441 General Line Grocery Merchant Wholesalers
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42442 Packaged Frozen Food Merchant Wholesalers
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42443 Dairy Product (except Dried or Canned) Merchant Wholesalers
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42444 Poultry and Poultry Product Merchant Wholesalers
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42445 Confectionery Merchant Wholesalers
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42446 Fish and Seafood Merchant Wholesalers
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42447 Meat and Meat Product Merchant Wholesalers
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42448 Fresh Fruit and Vegetable Merchant Wholesalers
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42449 Other Grocery and Related Products Merchant Wholesalers
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4245 Farm Product Raw Material Merchant Wholesalers
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42451 Grain and Field Bean Merchant Wholesalers
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42452 Livestock Merchant Wholesalers
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42459 Other Farm Product Raw Material Merchant Wholesalers
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4246 Chemical and Allied Products Merchant Wholesalers
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42461 Plastics Materials and Basic Forms and Shapes Merchant Wholesalers
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42469 Other Chemical and Allied Products Merchant Wholesalers
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4247 Petroleum and Petroleum Products Merchant Wholesalers
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42471 Petroleum Bulk Stations and Terminals
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42472 Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals
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4248 Beer, Wine, and Distilled Alcoholic Beverage Merchant Wholesalers
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42481 Beer and Ale Merchant Wholesalers
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42482 Wine and Distilled Alcoholic Beverage Merchant Wholesalers
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4249 Miscellaneous Nondurable Goods Merchant Wholesalers
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42491 Farm Supplies Merchant Wholesalers
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42492 Book, Periodical, and Newspaper Merchant Wholesalers
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42493 Flower, Nursery Stock, and Florists' Supplies Merchant Wholesalers
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42494 Tobacco and Tobacco Product Merchant Wholesalers
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42495 Paint, Varnish, and Supplies Merchant Wholesalers
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42499 Other Miscellaneous Nondurable Goods Merchant Wholesalers
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4251 Wholesale Electronic Markets and Agents and Brokers
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42511 Business to Business Electronic Markets
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42512 Wholesale Trade Agents and Brokers
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NAICS Resources
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