John, you bad boy! Trying to trick folks with your bogus clues. As someone who passed his PE back during the Crimean War, you know good and well that every kilowatt-hour you pump into a closed system gets turned into heat, one way or another.
If you think of your house as a closed box with a couple of terminals attached, it turns into one big resistor. (For the purposes of our argument, I'll say your house has no windows so no light escapes.) It doesn't matter what's actually inside (assuming there are no energy storage devices, such as batteries), all the energy applied via your meter ends up as heat.The only difference is the method of energy conversion. It may go directly to heat, or it may take a different path, e.g. first to light, then heat as the walls are warmed by the light. You might be powering radios, TVs, quartz heaters or even "Old Sparky"; it all turns into heat in the end.
I've been researching the effectiveness of using my table saw to heat my shop. I can tell you it does a lousy job: not only does it not put out enough heat to keep me warm, it generates a lot of sawdust and noise in the process. I've decided to let my wife keep her electric heater and I'll leave the saw in the shop.
Now that said, certainly there are some heaters that do a better job of keeping you warm than others, even though they all are converting electricity to heat with 100 percent efficiency. Radiant heaters that warm objects rather than the air around them use less energy to heat those objects. It's not the efficiency of heat generation, but rather the efficiency of heat transfer.
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Today's Featured Article - A Cautionary Tale - by Ian Minshull. In the early 1950s my father bought an Allis Chalmers B and I used it for all the row crop work with the mangolds and potatoes, rolling and the haymaking on our farm. The farm and the Allis were sold and I have spent a lifetime working on farms throughout the country. I promised myself that one day I would own an Allis. That time event
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