Customers often ask about the difference between the fire extinguishers sold at retail stores like Home Depot, Menards or Costco and those sold and installed by commercial fire safety companies. On the surface, residential units and commercial units can appear similar. To make matters more confusing, the fire extinguishers sold at retail stores may use the term "commercial" on the packaging. In reality, these types of fire extinguishers cannot be realistically used outside of personal use. (Inside your home, garage, etc.) Don't waste your money purchasing fire extinguishers from retail stores if your aim is to provide fire protection to a...