Because electric fireplaces are designed to be used safely, you shouldn't entertain much worry over leaving them overnight.
While you can leave the fireplace working unattended to overnight, you should however be aware of some of the hazards that other electrical appliances face is also applicable to the fireplace.
If you are afraid that the temperature will drop too low during the night while you are asleep and you can assure that nothing negative will come up because of this, then you can leave it.
However, if you are not so sure and that the temperature level can be managed, then it is recommended that you off it. And this is safer. Moreover, when you intend to spend a long time away from it, you have to unplug it in addition to switching it off.
If you decide to use it overnight, you have to choose a reasonable temperature using the thermostat before you go to sleep. You need to choose a level that is not going to cause too much heat or too low of temperature.
Once this has been set, the thermostat takes it up from there. It will automatically switch off the unit when the temperature is warm and switch it back on when it drops below threshold.
Before going to sleep, ensure no item that can cause fire is close to the fireplace. It is better to leave the fireplace free from any material such as that could lead to fire for safety to be ensured at this level.
Since fireplaces are usable all year round, the only period you don't leave it on is outside of the winter months and when the temperature level is normal. However, you have to remember that maintaining electric fireplace costs money. The more you use it, the more power it consumes.
And the more power it consumes, the more your energy bills go up. If you are trying to save costs or watching your energy bills, you will want to only use it when it is absolutely necessary.
Yes, there are many advantages of using an electric fireplace compared to a wood burning fireplace.
You can choose from different styles and settle on one that matches the rest of your room decor.
Electric fireplace don't burn fuel so you don't incur additional costs on fuel repeatedly.
Moreover, it doesn't produce fumes and harmful gasses in the air which can be detrimental to your health.
You can walk and feel around an electric fireplace without worrying about certain embers jumping out at you. It is better not to touch them though, as they might be very hot at some point.
Cleaning is minimal with an electric fireplace. All that is needed is a simple wipe, which saves you time and stress compared to a wood burning fireplace.