Managing Heat and Cold Stress Safely

The Managing Heat and Cold Stress Safely course from the American Institute of Safety Professionals provides comprehensive training on preventing heat-related illness and cold-related injury for workers in construction, oil and gas, manufacturing, agriculture, warehousing, utilities, and every industry where workers are exposed to thermal extremes. Heat stress kills workers every summer — OSHA’s Heat Emphasis Programme was created because preventable heat deaths continue to occur despite the hazard being well understood. Cold stress kills workers every winter through hypothermia and causes permanent tissue damage through frostbite. Both hazards are entirely preventable through the acclimatisation, monitoring, work-rest scheduling, and emergency response this course teaches.

The curriculum covers heat stress physiology (how the body regulates temperature, what happens when it fails), heat-related illnesses in order of severity (heat rash, heat cramps, heat exhaustion, heat stroke — recognition and first aid for each), OSHA’s Heat Emphasis Programme (water, rest, shade, acclimatisation), WBGT (Wet Bulb Globe Temperature) measurement and work-rest regimens, acclimatisation protocols (new workers, returning workers after absence), environmental and metabolic heat load factors, heat illness prevention programme design, cold stress physiology, cold-related injuries (hypothermia, frostbite, trench foot, chilblains — recognition and first aid), wind chill assessment, cold stress prevention measures (warm clothing layers, heated rest areas, warm fluids, buddy system, exposure limits), and emergency response for heat stroke and severe hypothermia. All training is delivered 100 percent online through Microsoft Teams and the American Institute of Safety Professionals LMS.

Upon completion, graduates receive a certificate, wallet card, and transcript, employer-verifiable at amiosp.com/student-verifications.

Upon completing this program, participants will be able to:

• Recognise heat-related illnesses by severity: heat rash (skin irritation), heat cramps (muscle spasms from salt loss), heat exhaustion (heavy sweating, weakness, nausea, headache — the warning before heat stroke), and heat stroke (hot/dry skin OR profuse sweating, confusion, loss of consciousness, body temperature above 104°F — LIFE-THREATENING EMERGENCY requiring immediate cooling and 911).
• Implement OSHA’s Heat Emphasis Programme elements: water (cool drinking water available at all times, encourage frequent drinking before thirst), rest (regular rest breaks in shaded or cooled areas, increased frequency as heat index rises), shade (shade structures provided when temperatures exceed 80°F), and acclimatisation (gradually increasing heat exposure over 7–14 days for new and returning workers).
• Apply WBGT measurement and work-rest regimens: WBGT as the gold-standard heat stress index (integrating air temperature, humidity, radiant heat, and air movement), ACGIH TLV work-rest regimens based on WBGT and metabolic rate (light, moderate, heavy, very heavy work), and the monitoring programme that determines when work-rest adjustments are needed.
• Implement acclimatisation protocols: new worker acclimatisation (20% exposure Day 1, increasing 20% daily over 5 days), returning worker acclimatisation (50% Day 1, increasing over 3–4 days after absence of 7+ days), and the acclimatisation management that prevents the heat deaths that disproportionately affect new and recently returned workers.
• Recognise cold-related injuries: hypothermia (mild: shivering, confusion; moderate: violent shivering, impaired coordination; severe: shivering stops, loss of consciousness — EMERGENCY), frostbite (numbness, white/grey/blue skin, hard/waxy texture), trench foot (prolonged wet/cold exposure), and the first aid for each condition.
• Implement cold stress prevention: warm clothing layers (wicking base, insulating middle, wind/waterproof outer), heated rest areas, warm sweet fluids, buddy system for monitoring, wind chill monitoring, exposure time limits, and the engineering controls (heated enclosures, radiant heaters, windbreaks) that reduce cold exposure.

Core Curriculum Topics

• Heat Stress Physiology: thermoregulation, heat balance, failure mechanisms
• Heat-Related Illnesses: rash, cramps, exhaustion, stroke — recognition, severity, first aid
• OSHA Heat Emphasis: water, rest, shade, acclimatisation, OSHA enforcement focus
• WBGT and Work-Rest: measurement, ACGIH TLVs, metabolic rate, regimen selection
• Acclimatisation: new workers (5-day), returning workers (3–4 day), management protocols
• Environmental Factors: temperature, humidity, radiant heat, air movement, clothing
• Cold Stress Physiology: hypothermia mechanism, frostbite mechanism, wind chill effect
• Cold-Related Injuries: hypothermia (mild/moderate/severe), frostbite, trench foot, chilblains
• Cold Prevention: layered clothing, heated rest, warm fluids, buddy system, exposure limits
• Emergency Response: heat stroke (cool immediately, 911), severe hypothermia (gentle handling, insulate, 911)
• Programme Design: monitoring, training, emergency procedures, supervisor responsibilities

Participants will receive online training through Microsoft Teams and LMS. Courses are offered by accredited broadcasters and backed by expert instruction and official study materials. All assessments are conducted online and successful participants are awarded certificates that are accepted internationally.

The Managing Heat and Cold Stress Safely program is designed for employees, supervisors, safety officers, and project managers who work in environments with extreme temperatures. This course emphasizes the recognition, prevention, and management of heat- and cold-related illnesses, regulatory compliance, and strategies to protect worker health and maintain productivity.

Core Modules

Participants will explore essential topics to prevent and manage heat and cold stress effectively:

Optional / Advanced Modules

Participants may explore additional topics to enhance expertise in managing heat and cold stress:

The Managing Heat and Cold Stress Safely program equips participants with practical knowledge, hazard recognition skills, and professional strategies required to prevent temperature-related illnesses, ensure regulatory compliance, and foster a proactive safety culture in extreme working environments.

• No prior training required
• No academic degree required
• All instruction in English; working proficiency required

Upon completion, graduates receive an American Institute of Safety Professionals certificate, wallet card, and transcript. Employer-verifiable at amiosp.com/student-verifications.

The program is designed to offer flexible online learning with a minimum instructional contact time of 8 hours. Most learners successfully complete the course within one month, allowing them to progress at their own pace while balancing professional commitments.

Candidates can take this exam through an assigned portal from the American Institute of Safety Professionals. A passing score is 70% or higher, and exam results are provided right after by email to the address provided. The exam is open-book, allowing candidates to validate their answers. Any candidates who do not pass have 1 month after their exam to go through the training materials and can take the exam 3 additional times.

For questions about American Institute of Safety Professionals online fees, replacement certificates, additional hardbound materials or any other financial-related issues please feel free to contact accounts@amiosp.com

• Safety officers managing outdoor workers in hot and cold environments
• Construction, oil and gas, utility, and agricultural supervisors
• Workers who perform physically demanding outdoor work in thermal extremes
• Occupational health professionals managing heat and cold prevention programmes
• Emergency response teams who manage heat stroke and hypothermia casualties
• Warehouse workers in non-climate-controlled facilities

Prerequisite: None. Essential for every workplace with outdoor or thermal-extreme exposure.

• Managing Heat and Cold Stress Safely — YOU ARE HERE
• Health Hazards in Construction (includes heat as one construction health hazard)
• Introduction to Industrial Hygiene (includes heat stress as one physical hazard)
• International Diploma in Advanced Industrial Hygiene (thermal stress at diploma depth)