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The Canadian Heat Stress Guide

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The Canadian Heat Stress Guide outlines what you need to know to help prevent heat-related illness in the workplace. Heat stress happens when the body can’t cool itself fast enough and core temperature begins to rise. This guide gives you a practical, Canada-focused overview of how to recognize heat stress early, understand contributing risk factors, and put effective controls in place—supported by product and solution recommendations.

What’s Inside the Guide

  • Introduction to Heat Stress: What it is and why it matters on the job.
  • Signs & Symptoms: How to recognize heat illness early and respond appropriately.
  • Factors Contributing to Heat Stress: Workload, environment, clothing/PPE, and individual risk factors.
  • Regulatory & Compliance Obligations: Key responsibilities for employers and workers.
  • Personal & Area Monitoring: Tools and approaches to assess conditions and exposure.
  • Personal Protective Equipment (PPE): What to consider when PPE impacts heat load.
  • Hydration Solutions: Practical hydration and cooling strategies to support safe work.
  • Heat Stress Program Evaluation: How to review, improve, and sustain your approach over time.

Who This Guide is For

Heat stress can affect a wide range of Canadian workplaces—especially during warm seasons, indoor heat processes, high humidity, or physically demanding work. This guide is designed for safety leaders, supervisors, and workers in environments where heat exposure is a risk, including:

  • Agriculture
  • Construction
  • Facilities with hot processes
  • Food & beverage processing
  • General manufacturing
  • Maintenance and service teams
  • Mining
  • Oil and gas
  • Utilities & outdoor work
  • Warehousing & distribution


Heat Stress guide cover on an iPad



Access the Free Guide

View or download the full guide for a complete overview of heat stress prevention, monitoring options, and solutions to help keep workers safe and productive. Open the Guide



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Levitt-Safety can help you reduce heat stress risk with practical guidance and the right solutions. From education and planning to monitoring and PPE considerations, our team is here to support you.