In the past, balloons have caused thousands of dollars of damage when they have contacted power lines. When balloons contact power lines, they short out conductors, causing power outages, voltage fluctuations, and electrical fires.
Using an electric space heater can be an effective way to keep warm, but it is not without its hazards and costs. Electric space heaters must be used safely. More than 25,000 fires and 300 deaths are caused by the improper use of electric heaters every year.