Temporary Heat Safety Temporary heat safety devices are a vital part of being able to work effectively in cold weather. They allow temperature-critical work to continue on schedule, and provide for more comfortable working conditions. However, as a result of poor selection and careless use of portable heaters, injuries and damaging fires occur every year. If improperly used, temporary heating equipment can lead to burns, fires, explosion, carbon monoxide poisoning, and the creation of oxygen deficient atmospheres. So, with the winter season upon us, it's important to review the many types of temporary heating devices that are available, and be sure they...