Can I call OSHA if my workplace is too hot?

Author: Prof. Jeromy Roob  |  Last update: Monday, May 26, 2025

Complaints can be reported by calling OSHA at 800- 321-OSHA or filed online. It is illegal for any employer to fire or otherwise retaliate against a worker who complains to OSHA and uses their legal rights.

What temperature is too hot for OSHA?

The OSHA-NIOSH Heat Safety Tool App is a resource for finding the forecasted and current heat index near your location. The Heat App indicates the hazard levels using the HI as: Caution less than 80°F HI; • Warning 80°F to 94°F HI; and, • Danger at 95°F HI or higher.

Is there an OSHA standard for hot work?

Yes, hot work procedures are covered by various OSHA standards, as well as ANSI standards, NFPA codes, and other fire prevention codes including state and local codes. Specific standards that address hot work include: NFPA 51B, Standard for Fire Prevention During Welding, Cutting, and Other Hot Work.

Is there a rule on too hot to work?

There is no legal maximum or minimum working temperature.

Can you sue for workplace being too hot?

Under California law, employers are responsible for ensuring a safe working environment for their employees, which includes protecting them from extreme heat. Employers who fail to take necessary precautions may be liable if a worker suffers a heat-related illness or injury.

OSHA issues warnings to keep workers safe in this heat

Can you legally leave work if it's too hot?

While there are no specific federal regulations about working in extreme cold or heat, you do have a right to a workplace “free from recognized hazards .” That includes exposure to extreme cold and heat. Some states do have more rigorous rules regarding heat, and you can find the state plans here .

Is there a limit to hot working?

As a guideline, the lower limit of the hot working temperature of a material is 60% its melting temperature (on an absolute temperature scale). The upper limit for hot working is determined by various factors, such as: excessive oxidation, grain growth, or an undesirable phase transformation.

What to do if it's too hot at work?

Extra measures during high heat include but are not limited to the following:
  1. Communicating Through Meetings. ...
  2. Being Extra Vigilant. ...
  3. Changing Work Severity and Duration. ...
  4. Additional Water Consumption. ...
  5. Drink Only Water. ...
  6. Shade and Additional Cooling Measures. ...
  7. Additional and/or Longer Rest Breaks and Cool Down Rest Periods.

What temperature is too hot for humans to work in?

Researchers cranked up the temperature on volunteers to find out. A new study suggests that once temperatures hit 104 to 122 degrees, our bodies may stop working optimally. Heat wave scorching millions across U.S.

Is heat exhaustion OSHA recordable?

All occupational illnesses must be recorded. As defined in NIOSH's Occupational Diseases, A Guide To Their Recognition (1977), the physical disabilities caused by excessive heat exposure, in order of increasing severity, are heat rash, heat cramps, heat exhaustion, and heat stroke.

What is considered hot work?

Hot work means work involving electric or gas welding, cutting, brazing, or similar flame or spark-producing operations (§68.3).

Who is ultimately responsible for preparing the work area for hot work?

The contractor or sub-contractor/trade performing Hot Work is ultimately responsible for conducting their Hot Work activities in a sound, fire-safe manner and following the precautions outlined on the Hot Work permit.

What are the OSHA guidelines for hot work?

Hot work shall not be performed in a confined space until a designated person has tested the atmosphere and determined that it is not hazardous. Fire protection. To the extent possible, hot work shall be performed in designated locations that are free of fire hazards.

What temperature can you refuse to work in the US?

OSHA understands that a comfortable temperature for one person might be too hot or too cold for another. Because of this, they cannot designate one specific workplace temperature; however, OSHA does have some workplace temperature regulations, stating that employers set the thermostat between 68 and 78 degrees.

Is no air conditioning an OSHA violation?

OSHA does not require employers to provide heat or air conditioning for work spaces. OSHA does recommend temperature control in the range of 68-76°F.

Is it an OSHA violation to work in the heat?

It's the law! Employers have a duty to protect workers against heat. Employers have a legal and moral responsibility not to assign work in high heat conditions without protections in place for workers, where they could be literally worked to death.

Can you sue for hot working conditions?

If you've been the victim of a heat-related illness or injury at work, and your employer was negligent in upholding the standards of California heat stroke law, you may have grounds to sue.

What happens when you file an OSHA complaint?

There are two ways that Cal/OSHA can respond to a complaint. Cal/OSHA can conduct an unannounced onsite inspection, or an investigation by letter. Cal/OSHA will decide how to respond based on the information in the complaint, including the description of the hazards.

Can you work in 100 degree weather?

Strenuous work tasks and those requiring the use of heavy or non-breathable clothing or impermeable chemical protective clothing should not be conducted when the heat index is at or above 115°F.

What are the limitations of hot working?

The major limitations of the Hot Working process are: It involves higher costs. Hot working results in a subpar surface finish due to oxidation at high temperatures. Occasionally, it causes reduced strength due to carbon loss through oxidation.

What is the surface temperature limit for OSHA?

OSHA does not provide a specific temperature limit for hot surfaces but recommends that surfaces should not exceed 140°F to avoid burns. Employers should ensure that workers are protected from contact with hot surfaces through the use of barriers, protective equipment, and safety protocols.

Is there a law for working in heat?

Heat Standards in Specific States

The following states have standards for heat exposure: California. California's Heat Illness Prevention Standard requires employers to provide training, water, shade, and planning. A temperature of 80°F triggers the requirements.

What is the 80% rule in OSHA?

Question: California regulations set the dosimeter threshold level at 80 dBA for hearing conservation and 90 dBA for compliance.

What does OSHA forbid employers from doing?

It is illegal for an employer to fire, demote, transfer or otherwise retaliate against a worker who complains to OSHA and uses their legal rights. If you believe you have been retaliated against in any way, file a whistleblower complaint within 30 days of the alleged retaliation.

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