Tip & How-To about Heating & Cooling

Oil Filled Radiator Heater Leaking

A very common and increasing popular source of supplemental heat in the last few years has been the oil filled electric radiator.

These radiator heaters are filled with an oil that circulates through the fins of the heater and is heated by electric heating elements. The result is a steady even type of heat that has a lower surface temperature then many space heaters, making them a great way to get supplement heating into a room when you have pets, small children or combustibles near by.

One of the big questions that comes up with these oil filled heaters is what to do if they start to leak. The answer is that if the oil heater starts to leak then it is no good anymore and needs to be disposed of. These heaters are filled with oil at the factory and then are sealed tightly. Because of this there is no need to ever refill the heater with oil again. The heaters are sealed with the proper oil inside for the best heating efficiency.

So what this means is that if you have one of these oil filled radiator heaters, you will never have any maintenance or worries about adding oil to the heater. But if there ever is a leak then the heater is also no good and will need to be throw out and replaced. Very few of these oil filled heat units ever leak, but as is always the case there are always some that do.

A word of caution about heating efficiency. Always remember that when heating with electricity, the laws of physics always apply. For every 1 KW of electric you will only ever get 3415 BTU's of heat.

There is no way to get any more or any less than that, so if anyone tries to tell you that their electric heater is more efficient then the next one they are not telling the truth.

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My Comfort Zone Oil filled CZ7007J Radiator is not heating, it was working just fine when I turned it off, but when I turned it back on, no lights, no heat, like it's getting no power. Bought it

doubt there is any warranty being made in 2010 but they do have a heating element very similar to an electric water heater .I know of no repair shops that work on them.nor where you might find an element . SORRY Personally I found these oil filed heaters cost more to operate than the ceramic. types

Dec 30, 2017 | Comfort Zone CZ7007 Oil Filled Electric...

1 Answer

My Lakewood oil-filled electric radiator makes some crackling noises when first heating - is this normal?

Yes, it is normal. the sound is from the oil heating up and moving through the fins. It will stop after a few minute. After the heater is used for a few months the noise will stop altogether. j

Thanks for using FixYa - a 4 THUMBS rating and POSITIVE Comment is really appreciated for the FREE answering of your question.

Capt. Spock said: "An ancestor of mine maintained, that if you eliminate the impossible, whatever remains, however improbable, must be the truth."

Feb 22, 2011 | Lakewood Oil-Filled Electric Radiator...

1 Answer

lakewood radiator heater model number 5101. The heater just stopped working all of a sudden. The buttons still light up when switched on but there is no heating. please help as I dont have any other heating source in my room!!!

Sounds as if the element is burnt out or the tstat is broken. the tstat is the more common as they use very cheap ones. Unfortunately you can't get these. My suggestion is to buy a new one.

Jan 27, 2011 | Lakewood Oil-Filled Electric Radiator...

1 Answer

I have a oil filled rad style electric heat ,which is leaking oil can it be fixed? If so how.


Here is a tip that I wrote that will help you to understand about oil filled radiator heaters....

Oil Filled Radiator Heater Leaking



Dec 19, 2010 | Honeywell HZ-709 Oil Filled Radiator...

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