NAICS Code 423730

NAICS 423730

NAICS Code 423730 – Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers

Definition of NAICS Code 423730: This industry comprises establishments primarily engaged in the merchant wholesale distribution of warm air heating and air-conditioning equipment and supplies.

  • You can also download your own copy of the complete 2017 NAICS Classification Manual. The NAICS Manual is updated every five years. The 2017 copy will be applicable until a new edition is produced in 2022.

Illustrative Examples of NAICS 423730

What are some examples of this code? The bulleted items below are illustrative examples of this classification.

  • Air pollution control equipment and supplies merchant wholesalers
  • Nonportable 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 Reference Guide for Code 423730

What codes are similar to this classification that might be a more applicable code? The cross-reference guide below displays the codes for other similar industries. Please review to find the most applicable classification.

  • 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 NAICS 423620, Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers;
  • Merchant wholesale distribution of hydronic heating equipment–are classified in Industry NAICS 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 NAICS 238220, Plumbing, Heating, and Air-Conditioning Contractors.

Other Index Entries for NAICS 423730

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with this classification. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Air pollution control equipment and supplies merchant wholesalers
  • Air-conditioning equipment (except room units) merchant wholesalers
  • Automotive air-conditioners merchant wholesalers
  • Baseboard heaters, electric, non-portable, merchant wholesalers
  • Central heating equipment, warm-air, merchant wholesalers
  • Compressors, air-conditioning, merchant wholesalers
  • Condensing units, air-conditioning, merchant wholesalers
  • Dust collection equipment merchant wholesalers
  • Furnaces, warm air (i.e., forced air), merchant wholesalers
  • Heat pumps merchant wholesalers
  • Heating equipment, warm air (i.e. forced air), merchant wholesalers
  • Humidifiers and dehumidifiers (except portable) merchant wholesalers
  • Pollution control equipment, air, merchant wholesalers
  • Ventilating equipment and supplies (except household-type fans) merchant wholesalers
  • Warm air heating equipment merchant wholesalers
Suggested Insurance Conversion Table for NAICS Code 423730

Looking for an insurance classification other than the North American Industry Classification System? If a company falls within the industry defined on this page, then the class codes mentioned below may be applicable. Please note that the bulleted cross-reference guide below is not authoritative. Users should have an insurance professional review to ensure proper insurance classification.

  • NCCI WC (Varies by state): 8010NAICS 423730
  • CA WC: 8018
  • DE WC: 926
  • PA WC: 926
  • MI WC: 8010
  • NJ WC: 8010
  • NY WC: 7999
  • WY WC: 423730
  • NAICS: 423730
  • GL: 10010, 13930, 13930
  • SIC: 5075

Resources: Praxiom, AceGroupTDICalifornia Division of Workers Compensation, Delaware Workers Compensation Manual, Pennsylvania Workers Compensation Manual, Michigan Workers’ Compensation Placement Facility: Classification Definitions, New Jersey Workers Compensation and Employers Liability Insurance Manual, New York Workers Compensation and Employers Liability, North American Industry Classification System, Florida Underwriting Guide: Commercial General Liability Classifications,  Standard Industrial Classifications.

The suggested cross reference guide for NAICS code 423730 is based on our research using the resources cited above.

Correlating Code Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry, and the most specific is the 6 digit NAICS code (Where you are now). If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 42: Wholesale Trade
  • Subsector 423: Merchant Wholesalers, Durable Goods
  • Industry Group 4237: Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers
  • Industry 42373: Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
  • 6 Digit Code(s) NAICS 423730: Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
Other helpful NAICS Downloads

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NAICS Code 423730