Observations

2025: 304.985

Updated: Jun 3, 2026 4:51 PM CDT

Units:

Millions of Hours,

Not Seasonally Adjusted

Frequency:

Annual

Notes

Title	Release Dates

Hours Worked for Manufacturing: Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (NAICS 3334) in the United States	2021-05-27	2026-05-28

Source

U.S. Bureau of Labor Statistics	2021-05-27	2026-05-28

Release

Industry Productivity	2021-05-27	2026-05-28

Units

Millions of Hours	2021-05-27	2026-05-28

Frequency

Annual	2021-05-27	2026-05-28

Seasonal Adjustment

Not Seasonally Adjusted	2021-05-27	2026-05-28

Notes

Labor hours are measured as annual hours worked by all workers, including wage and salary workers, unincorporated self-employed workers, and unpaid family workers, in the production of goods and services.	2021-05-27	2026-05-28

Hours Worked for Manufacturing: Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (NAICS 3334) in the United States (IPUEN3334L200000000)