Wholesale Trade ·NAICS 42373

NAICS 42373 · IRS SOI 2023 · Census CBP

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

139 SBA loans on record, $140M in volume, for NAICS 42373.

4.1%
Wholesale Trade sector margin
N/A
Workers employed
N/A
Avg payroll / employee
$140M
SBA lending, FY20–26

Data updated July 2026

The verdict · NAICS 42373

California leads Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers activity nationally. IRS SOI doesn't publish margin data at this NAICS level, but the broader Wholesale Trade sector runs a 4.1% net margin.

4.1%
Wholesale Trade sector margin (IRS SOI)
N/A
Workers employed (Census CBP)
N/A
Avg payroll / employee
$140M
SBA lending, FY20–26

Benchmarking Insights for Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers

Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers sits inside Wholesale Trade, a sector that runs a 4.1% net margin overall.

6,477 establishments employ N/A workers. California leads employment, followed by Ohio and Pennsylvania.

Employment

N/A

Total employees (Census CBP)

Avg Payroll / Employee

N/A

Annual compensation

Establishments

6,477

Business locations

Release-over-release change

What changed from Census CBP 2022 to 2023

establishment count increased by 50. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.

Financial Detail

Annual Payroll (Total)
$9.1B

Sub-Industries

Industry Profit Margin
Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers

NAICS 423730

N/A

Top States by Employment

State Employment
California 7,688
Ohio 3,404
Pennsylvania 3,375
Maryland 1,857
Kentucky 1,816
Kansas 1,708
Colorado 1,673
Louisiana 1,499
Minnesota 1,490
Washington 1,313

Showing top 10 of 50 states

SBA Lending Activity

SBA FY2020–2026

SBA Loans Approved

139

Total Loan Volume

$140M

Avg Loan Size

$1009K

Jobs Supported

992

Program Breakdown

7(a) 119 (86%)
504 20 (14%)

Top SBA Lender

The Huntington National Bank

14 loans in this industry

New Business Share

18.7% of borrowers were new/startup businesses

Annual Lending Trend (7 yrs)

2020
20
2021
22
2022
22
2023
18
2024
27
2025
26
2026
4

Frequently Asked Questions

How profitable is Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers?
IRS SOI doesn't publish margin data at the NAICS 42373 level. California leads this industry nationally. The broader Wholesale Trade sector runs a 4.1% net margin (IRS SOI 2023).
How many businesses are in Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers?
6,477 business establishments.
What is the average payroll per employee in Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers?
Average payroll data for Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers is not available in the current Census CBP dataset.
Which states have the most Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers employment?
California leads with 7,688 workers. Ohio (3,404) and Pennsylvania (3,375) round out the top three.
How much SBA lending does Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers receive?
Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers businesses received 139 SBA loans totaling $140 million between FY2020 and FY2026. The average loan size was $1009K. These loans supported 992 jobs at origination. Most lending (86%) came through the SBA 7(a) program.

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

Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.

Sources: IRS Statistics of Income (SOI) Business Tax Statistics · Census Bureau County Business Patterns 2023

NAICS 42373 · Data year: 2023

According to the U.S. Census Bureau, which released its 2023 County Business Patterns dataset in June 2025, PlainBizBench benchmarks 2,002 U.S. industries against Internal Revenue Service Statistics of Income data. See our methodology for the full compilation process.

Source: U.S. Census Bureau, County Business Patterns / SUSB Industry employment scale, payroll, and firm-size benchmarks · 2023

Every figure on PlainBizBench is rendered directly from federal source data, no number is typed in by an editor. This page aggregates profit-margin, payroll, entity-type, and SBA-lending benchmarks for this industry, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.

Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.