Before you enroll: employer and certificate responsibilities

Awareness only. Employers must assess actual exposure and provide applicable prevention measures, understandable site-specific instruction and emergency arrangements. Recommendations and proposed rules are not interchangeable with enforceable requirements.

Employer responsibility: For the actual assignment, the employer must determine the applicable requirements and provide or arrange any required practical, hands-on, site- and equipment-specific training, evaluation, supervision and authorization before assigning work. Those requirements depend on the task, equipment, worksite conditions, applicable rules and employer procedures.

A SafetyFluent certificate records completion of this online course and its assessment. It is not an OSHA-issued card, professional license or proof of hands-on qualification. Employer or regulatory acceptance is not guaranteed.

Certificate and retraining: SafetyFluent provider renewal period: two years from completion. This is a provider policy, not an OSHA validity period or permission to postpone required training. Required retraining may be due earlier.

Provide understandable instruction matched to actual exposure, prevention measures and emergency arrangements. Reassess for seasonal changes, new assignments, changed conditions and knowledge gaps. State-plan requirements may specify additional training frequencies; do not treat guidance or a proposed rule as a universal federal certificate term. Read the applicable OSHA source.

“OSHA-aligned” describes the referenced learning topics, not OSHA approval or endorsement. Read the training terms · Training Disclaimer.

All industries

Heat &
Cold Stress

Practical awareness training for hot, cold, wet, windy, indoor, outdoor, mobile, and PPE-intensive work. Recognize exposure, prevent illness, protect coworkers, and respond before a warning sign becomes a fatal emergency.

~241 minutes 7 modules · 24 lessons Heat + cold awareness

Enroll for $35.99 Course Outline

Workers using heat prevention and cold-weather protection in different workplace conditions — Hybrid course visualsReal-world cover · illustrated learning modules

Training time~241 planned minutes

Learning contentOSHA + NIOSH aligned

Final assessment10 random questions · bank of 30

Passing attempts3 attempts

LanguagesEnglish and Spanish available · Russian in preparation

CompletionSafetyFluent completion record

Built for real work

One decision system for changing conditions.

Air temperature alone cannot describe temperature stress. The course combines heat and cold science with the realities of physical work, protective clothing, new-worker risk, limited recovery, changing weather, indoor processes, vehicle breakdowns, and emergency access.

Examples transfer across industries while preserving an important boundary: each employer must evaluate the actual job and apply current federal, State Plan, local, contract, and industry requirements.

Official field resource

OSHA-NIOSH Heat Safety Tool

Check the current heat index, hourly forecast, precautions, symptoms, and first-aid information before and during outdoor work. The app is a screening aid—not a substitute for WBGT when appropriate, workplace measurements, workload and PPE adjustments, acclimatization, or the employer’s plan.

Official app guide iPhone Android

Official image and app information: CDC/NIOSH. Available from CDC at no charge. NIOSH currently reports that the app is not receiving updates; verify current conditions and guidance.

Learning outcomes

Recognize. Prevent. Respond. Improve.

Every lesson turns knowledge into a workplace decision.

Assess the whole exposure

Combine environment, workload, clothing, worker status, duration, recovery, and emergency access.

Prevent heat and cold illness

Use source controls, safer schedules, hydration, acclimatization, dry layers, and effective recovery.

Recognize and act

Identify warning signs in yourself and coworkers, stop exposure, and escalate without dangerous delay.

Learn from real cases

Apply lessons from fatal heat investigations, cold-injury data, mobile work, and industry scenarios.

Course outline

Six modules. Eighteen detailed lessons.

226 lesson minutes + 15-minute assessment

Temperature stress fundamentals

Understand body heat balance, job demands, environmental conditions, and why the same day can affect workers differently.

How the body gains and loses heat~9 min
Assess the environment and the job~14 min
Work, clothing, and individual risk factors~9 min

Prevent heat illness

Control heat at the source, design safer schedules, provide hydration and recovery, and protect new or returning workers.

Use the hierarchy of controls~12 min
Water, rest, shade, and recovery~12 min
Acclimatize new and returning workers~12 min

Recognize and respond to heat illness

Notice early changes, treat altered mental status as an emergency, cool rapidly, and learn from fatal workplace cases.

Heat illness signs and symptoms~10 min
Act quickly without exceeding your training~10 min
Real cases: first-day risk and hidden heat~10 min

Prevent cold stress

Plan for wind, wetness, contact, changing conditions, clothing, warm-up areas, vehicles, and cold-storage work.

Where cold exposure becomes dangerous~10 min
Layers, warm-up breaks, and work practices~10 min
Vehicles, remote work, and cold storage~10 min

Recognize and respond to cold illness

Identify hypothermia, frostbite, trench foot, and chilblains; protect tissue and arrange medical care without harmful improvisation.

Hypothermia and local cold injuries~10 min
First-aid boundaries and emergency care~10 min
Cold scenarios from routine work~10 min

Workplace decisions, cases, and completion

Build a usable program, practice multi-industry decisions, document concerns, and understand what course completion means.

Build a temperature-stress plan~14 min
Practice across industries~9 min
Final assessment and next actions~9 min

Applied workplace decisions and verification

Effective recovery, shift planning and cold protection. Six case-based lessons with explanations and knowledge checks.

Turn a forecast into a shift-specific assessment~6 min
Build a usable return-to-heat plan~6 min
Verify that recovery actually reduces exposure~6 min
Practice emergency communication before an illness~6 min
Cold, wetness and lost dexterity change the task~6 min
Review a near miss without blaming the worker~6 min

Program and medical-response boundaries

This awareness course supports recognition, prevention, and emergency decisions. Employers must still assess actual exposures, follow applicable federal and State Plan requirements, establish site-specific controls and schedules, and provide medical and emergency arrangements. Heat stroke and severe cold illness can be emergencies: follow the site plan and contact emergency services when indicated.

OSHA heat resources

Course questions

What this training provides.

Ready to enroll?

Make the safer decision before conditions become an emergency.

$35.99Per learner · employer orders of 10+ receive 20% offEnroll now

Heat &Cold Stress