OSHA Workplace Injury Research

Cooling and Humidifying MacHinery Injuries

OSHA recorded 414 severe injuries involving cooling and humidifying equipment, with amputations accounting for 59% of all reported cases.

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How often these injuries happen

OSHA recorded 414 severe incidents involving cooling and humidifying machinery over the last decade. Amputations are the most frequent injury, accounting for 59% of all reported cases. These injuries often involve permanent loss of function and require extensive medical intervention.

Finger injuries make up 67% of all reported cases. When you interact with high-speed fans or pressurized cooling systems, you face a high risk of traumatic injury, including complex fractures and long-term recovery periods.

Reported 2025 (partial year)
010203040506020152025
Data: Federal OSHA Severe Injury Reports (29 states). Jan–Jul 2025, partial year.

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How these injuries happen

You are most likely to be injured by cooling and humidifying equipment when you are caught in or compressed by moving parts. Many incidents involve contact with rotating fan blades during maintenance or cleaning, while others stem from slips on ice buildup in walk-in freezers. These accidents often happen when safety guards are missing or when you service equipment without proper lockout procedures.

1 Caught, entangled in running powered equipment— normal operation
Incidents
107
Share
26% of reported incidents
2 Compressed between running equipment and other object(s)
Incidents
66
Share
16% of reported incidents
3 Struck by rolling, sliding, or shifting objects—non-running
Incidents
64
Share
16% of reported incidents
4 Struck by falling object
Incidents
29
Share
7% of reported incidents
5 Direct exposure to electricity
Incidents
23
Share
6% of reported incidents
6 Fall on same level
Incidents
20
Share
5% of reported incidents
7 Struck by running powered equipment— unspecified
Incidents
19
Share
5% of reported incidents
8 Other fall to lower level
Incidents
16
Share
4% of reported incidents
Cause Incidents Share
1Caught, entangled in running powered equipment— normal operation 10726% of reported incidents
2Compressed between running equipment and other object(s) 6616% of reported incidents
3Struck by rolling, sliding, or shifting objects—non-running 6416% of reported incidents
4Struck by falling object 297% of reported incidents
5Direct exposure to electricity 236% of reported incidents
6Fall on same level 205% of reported incidents
7Struck by running powered equipment— unspecified 195% of reported incidents
8Other fall to lower level 164% of reported incidents

Where injuries happen most

Manufacturing accounts for 33% of all severe injuries involving cooling and humidifying machinery. You face significant risks in this sector due to the constant use of large-scale industrial fans and ventilation systems that require frequent maintenance. Construction work also presents hazards when you install or repair these units in tight spaces.

Manufacturing 33%
Construction 17%
Accommodation & Food Services 7%
Retail Trade 7%
Health Care 6%
Other 30%

Real cases like yours

Common patterns include sustaining severe finger injuries while cleaning or adjusting fan blades, as well as slips and falls caused by ice accumulation in industrial freezers. Other incidents involve frostbite or fractures during routine HVAC repairs. If any of these scenarios sound like what happened to you, an attorney can help you understand your legal options.

Year State Industry Incident summary

Source: OSHA Severe Injury Reports. Narratives are verbatim from filings; identifying details may have been redacted by OSHA.

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