Why are space heaters so dangerous?
Consequently, are space heaters safe to leave on all night?
Whether you are present in the room or not, it is not safe to leave space heaters on all night. Space heater pose several risks including carbon monoxide poisoning, fires and dry skin.
Herein, what causes space heaters to catch fire?
The National Fire Protection Association names these three reasons that a space heater can start a fire: The unit is too close to a flammable agent like a mattress or bedding; the space heater is on but not attended; and dirty chimneys.
A modern space heater can be very safe to keep on for long unsupervised periods of time, including while sleeping. Be sure your heater is certified by one of the three major testing organizations and has features like automatic shutoff, tip over protection, a shut off timer, and adjustable thermostat.