Generally, yes.
They can be very hot to the touch, so be careful using them around small children, pets, and drapes. Follow the owner's manual, and be sure that the electrical outlet you're using is properly grounded and capable of handling the load required for the heating appliance. If you aren't sure, contact a local electrician or building inspector.
Sometimes. Oil-filled space heaters, which are fire-safe are preferable. Regular electrical space heaters can be used if they are placed in safe places, and turned off before leaving work.
One can shop for affordable oil filled electric heaters from many different stores and retailers. Some examples of these stores include Target, ZORO Tools, and Frontgate.
YES, -or else they would be useless !
I am assuming you mean an enclosed heater. Oil stay hot longer & does not rust.
There are many sources that would help one get free maintenance services for oil filled heaters. There is an online site eHow that helps homeowners with these type of projects, at no cost to them.
Oil heaters can burn badly if touched when hot. Obviously. oil is dangerous if it gets into any wounds, eyes, or the mouth when filling them.
An oil filled electric space heater produces a more "even" heating without the hotspots that standard electric space heaters can produce. Also it is not possible for something poked into the oil filled electric space heater to touch the electrical heating element wires as is possible in standard electric space heaters (which would shock you).
Oil-filled heaters are very reliable devices, and are generally very safe. Check for frayed cords and other general electrical safety points. Also verify that the thermostat is functioning when it is taken from summer storage.
Used oil heaters can be purchased from Central Ohio Heaters, Northern Tool, Lanair, Yakaz For Sale, Firelake Manufacturing, Kutrie Waste Oil Heaters, Oil Burners, and Clean Burn.
Tubular heaters are not specifically made for the purpose of heating oil. There are tubular heaters that use oil as a means of heating but they are not made to heat oil.
I have one, but think I might junk the whole heater, since I think my heater has been recalled
If there is no thermostat, it makes no difference. IE 1kw=1kw! If there is a thermostat, go for Oil filled. The Oil retains the heat much better so will continue to give off warmth whilst the thermostat is allowed to switch off the power more often.