Heat and Cold Safety Training:

Keeping Canadian Workers Safe in Extreme Conditions
Published on Nov 23, 2023 • 14 min read
Blog image on Heat and Cold Safety Training: Keeping Canadian Workers Safe in Extreme Conditions

While this informational page discusses various aspects of Heat & Cold Stress Prevention definition, legislation, changes and training requirements, our company also offers Heat & Cold Stress Prevention training services.

For more information, please consult the Heat & Cold Stress Prevention product page.

Working in extreme temperatures can be dangerous for employees in various industries, especially in Canada, where the weather can be unpredictable and many places experience extreme heat and cold (Source: Government of Canada, Health and the Environment, URL: https://www.canada.ca/en/services/health/healthy-living/environment.html). Heat and cold safety courses are designed to provide workers with the knowledge and skills to protect themselves from the hazards of working in extreme temperatures.


HEAT AND COLD STRESS DEFINITION

What are heat and cold stress?

  • Heat Stress - Heat stress occurs when the body is exposed to high temperatures and struggles to regulate its internal temperature. This can happen in hot and humid environments, especially if the body is not given enough time to cool down or if proper hydration is not maintained. Heat stress can lead to a range of health issues, including heat exhaustion and heat stroke. Symptoms may include excessive sweating, rapid heartbeat, dizziness, nausea, and confusion.
  • Cold Stress - Cold stress, on the other hand, occurs when the body is exposed to cold temperatures for extended periods, leading to a drop in body temperature. Prolonged exposure to cold conditions can lead to hypothermia, where the body loses heat faster than it can produce it. Symptoms of cold stress and hypothermia include shivering, numbness, confusion, slowed breathing, and loss of consciousness.

Both heat stress and cold stress can have serious health implications, especially in occupational settings where workers are exposed to extreme temperatures. Proper protective measures, clothing, hydration, and awareness of the signs and symptoms of these conditions are essential to prevent heat-related and cold-related illnesses. It's important for employers and individuals to take appropriate precautions to ensure workplace safety and personal well-being in environments with extreme temperatures.

What are the main hazards?

The hazards of exposure to heat and cold temperatures are numerous, and it's essential to understand their symptoms and treatment to avoid serious health problems.

Hazards of Heat:

Exposure to a hot environment is the primary risk factor for developing a heat-related illness. When a person is in direct contact with high levels of heat, whether it be outdoors or indoors, in proximity to a heat source such as an oven, or in a hot room with inadequate ventilation and airflow, their susceptibility to heat-related illness increases (Source: Government of Canada, Extreme Heat Events Guidelines: Technical Guide for Health Care Workers, URL: https://www.canada.ca/en/health-canada/services/environmental-workplace-health/reports-publications/climate-change-health/extreme-heat-events-guidelines-technical-guide-health-care-workers.html#a1.0, 2020).

  • Heat cramps: Heat cramps are muscle cramps that occur during or after intense physical activity in high temperatures. They are caused by the loss of fluids and electrolytes due to sweating. Symptoms of heat cramps include muscle pain, weakness, and spasms, and they usually resolve on their own after rest and hydration. Treatment involves drinking plenty of fluids and replenishing electrolytes.
  • Heat exhaustion: Heat exhaustion occurs when the body loses too much water and salt through sweating. Symptoms of heat exhaustion include fatigue, weakness, dizziness, headache, nausea, vomiting, and muscle cramps. If left untreated, heat exhaustion can progress to heatstroke, a life-threatening condition. Treatment involves moving to a cool place, drinking fluids, and resting. In severe cases, intravenous fluids and hospitalization may be necessary.
  • Heatstroke: Heatstroke is a life-threatening condition that occurs when the body's temperature regulation system fails, and the body's temperature rises to dangerous levels. Symptoms of heatstroke include high body temperature, confusion, slurred speech, seizures, and loss of consciousness. Heatstroke is a medical emergency, and immediate treatment is necessary to prevent organ damage or death. Treatment involves moving to a cool place, removing excess clothing, cooling the body with ice packs or cool water, and seeking medical attention.

Hazards of Cold:

A normal body temperature is approximately 37ºC (99ºF). When your core body temperature drops by 1 or 2ºC (1.8 or 3.6ºF), or your body is exposed to severe cold, it increases your risk of harmful effects (Source: Government of Canada, Extreme cold, URL: https://www.canada.ca/en/health-canada/services/healthy-living/your-health/environment/extreme-cold.html, 2021).

  • Frostnip: Frostnip is a mild form of frostbite that affects the skin and causes redness and numbness. It occurs when the skin is exposed to cold temperatures for an extended period. Frostnip is usually reversible and can be treated by rewarming the affected area.
  • Frostbite: Frostbite is a severe form of frostnip that can cause damage to the skin, tissues, and even bone. It occurs when the skin and underlying tissues freeze due to exposure to cold temperatures. Symptoms of frostbite include numbness, tingling, discoloration, and blisters. Treatment involves rewarming the affected area and seeking medical attention to prevent further damage.
  • Hypothermia: Hypothermia is a life-threatening condition that occurs when the body's temperature drops below 95 degrees Fahrenheit. It can be caused by exposure to cold temperatures, wind, or wetness. Symptoms of hypothermia include shivering, confusion, slurred speech, loss of coordination, and unconsciousness. Treatment involves moving to a warm place, removing wet clothing, and warming the body gradually. In severe cases, hospitalization may be necessary.

Which are the main safety practices?

Various safety practices must be implemented in the workplace to prevent the hazards of heat and cold exposure.

Practices for Working in Hot Environments

  • Hydration: It's crucial to stay hydrated when working in hot environments to replace fluids lost through sweating. Workers should drink plenty of fluids, even if they don't feel thirsty. Water is the best option, but drinks that contain electrolytes can also be beneficial.
  • Rest breaks: Workers should take frequent rest breaks in cool areas to prevent heat exhaustion. Rest breaks can also help workers stay alert and focused on the job.
  • Clothing: Wearing light-colored, loose-fitting clothing can help workers stay cool in hot environments. Clothing should be made of breathable fabrics that allow sweat to evaporate quickly.
  • Sun protection: Workers should wear sunscreen, hats, and sunglasses to protect themselves from the sun's harmful UV rays.

Practices for Working in Cold Environments

  • Layering: Workers should wear multiple layers of clothing to stay warm in cold environments. The layers should be made of breathable fabrics that allow sweat to evaporate, and the outer layer should be windproof and waterproof.
  • Head and hand protection: Workers should wear hats and gloves to protect their head and hands from the cold.
  • Footwear: Workers should wear insulated, waterproof boots with good traction to prevent slips and falls on icy or slippery surfaces.
  • Heating devices: Portable heating devices can be used to warm up work areas and provide additional warmth to workers.

General Practices for Heat and Cold Safety

  • Training: Workers should receive proper training on the hazards of heat and cold exposure and the safety practices required to prevent them.
  • Risk assessments: Employers should conduct risk assessments to identify potential hazards in the workplace and implement measures to mitigate them.
  • Monitoring: Employers should monitor the temperature and humidity levels in the workplace to ensure they are within safe limits.
  • Communication: Workers and employers should communicate effectively to ensure that safety measures are understood and followed.

HEAT AND COLD STRESS LEGISLATION

Heat and cold safety is an important issue in the workplace, and legislation has been put in place to protect workers from the hazards of extreme temperatures. In this section, we'll examine the different types of legislation related to heat and cold safety in Canada, including federal, provincial, and territorial legislation.

What is federal legislation?

The main federal legislation related to heat and cold safety in the workplace is the Canada Labour Code Part II. This code sets out the requirements for employers to ensure the health and safety of their workers, including provisions for working in extreme temperatures. The code requires employers to:

What is provincial and territorial legislation?

Each province and territory in Canada has its own legislation related to heat and cold safety in the workplace. Here are some examples:

HEAT AND COLD STRESS SAFETY TRAINING

What is Heat and Cold Stress Safety training?

Heat and Cold Stress Safety training in Canada refers to the educational programs and courses designed to teach workers about the risks associated with working in extreme temperatures, both hot and cold. These training programs are aimed at promoting safe work practices, preventing workplace injuries and illnesses, and ensuring compliance with the applicable regulations and standards.

Who is responsible for Heat and Cold Stress Safety training?

In Canada, employers are primarily responsible for providing heat and cold safety training to their workers. They are responsible for ensuring that their workers are aware of the risks associated with working in extreme temperatures and are trained in the appropriate safety procedures to prevent heat and cold stress.

It is important for employers to identify the specific risks associated with their industry and ensure that their workers receive the appropriate training to work safely in extreme temperatures. This includes providing training on topics such as heat and cold stress, hydration and nutrition, rest breaks, and the use of personal protective equipment (PPE). Employers should also ensure that workers are aware of the signs and symptoms of heat and cold stress and know how to respond if they or a colleague begins to experience these conditions.

Who needs Heat and Cold Stress Safety training?

The workers who are most likely to require heat and cold safety training are those who work in industries where they are exposed to extreme temperatures. This includes industries such as construction, agriculture, mining, forestry, and outdoor recreation.

  • In the construction industry, workers may be exposed to extreme temperatures due to outdoor work or working in buildings without adequate ventilation or air conditioning. They may also have to wear protective equipment, such as hard hats or safety boots, that can increase their risk of heat stress.
  • In the agriculture industry, workers may face extreme temperatures while working outdoors, particularly during the summer months. They may also be required to perform physically demanding tasks, such as lifting heavy objects or operating heavy machinery, that can increase their risk of heat stress.
  • In the mining and forestry industries, workers can be exposed to extreme temperatures due to the nature of their work. Workers in this industry tend to work long hours or perform physically demanding tasks, which can increase their risk of heat and cold stress.
  • In the outdoor recreation industry, workers can encounter extreme temperatures while leading activities such as hiking or camping trips. They may also be required to work long hours or in remote locations, which can increase their risk of heat and cold stress.

Can you do Heat and Cold Stress Safety online?

This course requires only theoretical training and evaluation, making it suitable for both classroom and online formats. Online training adheres to the same standards as classroom training, ensuring that it is recognized and accepted. In fact, online training can be more convenient and efficient, as it eliminates the need for in-person attendance and allows for flexible scheduling.

Moreover, classroom trainings often have certain requirements imposed by the Ministry of Labour, such as a minimum duration of 8 hours, which may not always be necessary for the content being covered. Online training can be more efficient in this regard, as a well-designed 2-hour course can cover all the necessary material effectively.

Additionally, online training can be a more cost-effective option for employers compared to organizing in-person classroom sessions.

However, keep in mind that employers are responsible for selecting the appropriate level of training for their workplace, so it's essential to check with your employer to ensure they accept online training for this purpose.          

Where can you purchase Heat and Cold Stress Safety online training?

In today’s fast-paced society, online courses have become the cheapest and most convenient solution to get your safety training done. There are many methods and providers of Heat and Cold Stress Safety. With any training, it is essential to select a high-quality education provider and one that will provide the most value (best information retention in employees) for the time and money.

Ensuring your program materials are always up to date is also extremely important as the amount of health and safety regulations and enforcement is steadily increasing and constantly updating.

How we compare

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HEAT AND COLD STRESS SAFETY CERTIFICATE

What do you need to learn?

To obtain a Heat and Cold Safety Certificate in Canada, you will need to complete a training course that covers the necessary knowledge and skills related to preventing heat and cold-related illnesses and injuries in the workplace.

The course will typically cover topics such as:

In addition to these topics, the course may also cover relevant legislation and regulations, such as the Occupational Health and Safety Act, as well as specific industry standards and best practices.

How long is the certificate valid?

It is recommended that employees who are at increased risk of heat and cold stress should complete this course every two years. When left unchecked, heat stress can have devastating consequences, which is why it is important to be aware of the latest safety standards.

Overall, it's important to check the specific requirements in your province to ensure that you maintain a valid Heat and Cold Stress Safety Certificate. It's also a good practice to stay up-to-date with the latest information and best practices related to heat and cold safety, even if you are not required to renew your certification.

How will I receive my training certificate with eSafetyFirst?

The certificate will be automatically available for printing once you complete the course and pass the quiz with a score of 80% or higher.

All our courses will come with a PDF certificate at the end of the program.

This PDF file will have two pages: a standard certificate and a wallet-size training record.

The employer should store certificates, while the employee should carry their wallet cards at all times during work.

Students who prefer to receive wallet cards in a physical format can request and purchase a physical wallet card from eSafetyFirst. This optional item is not included in the course price and will cost an additional $10 for printing and shipping.

If you do not have the time to make your laminated wallet card, you may find it rather convenient to order this card directly from us.

How can I find my certificate if I lost it?


In most cases, this question is addressed to us by individuals who took their training with a different company. As a private company, we can only store and access our customers’ data. Therefore, if you did your training with another company, you need to contact them to receive a copy of your certificate.

If you are a customer of eSafetyFirst.com, then all you have to do is to Login to your account, and you can, at any time, download a copy of the certificate you received from us.

CONCLUSION

Working in extreme temperatures can be dangerous for employees in various industries, especially in Canada, where the weather can be unpredictable and many places experience extreme heat and cold. The hazards of exposure to heat and cold temperatures are numerous. It is essential for employees who work in extreme temperatures to get trained in Heat & Cold Safety.

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