Thread: Doorbell always uses electricity!
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Don Klipstein Don Klipstein is offline
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Default Doorbell always uses electricity!
In , Jim Redelfs said:
In , (D Klipstein) wrote:

toasters (virtually 100% efficient, BTW)

At what?

Heating.

How much of the heat heats the target and how much goes
elsewhere? Especially when it is air conditioning season?

That does not affect the efficiency of the heat production. What
HAPPENS to the heat is not germane to my claim of 100% efficiency.

Your points, of course, are well considered AND considerable if
operating cooling equipment within the same environment.

The electric furnace I owned for 13-years was likewise efficient. If
one turned-off the lights at night and peered into the device, dim light
could be seen - waste light.

Whatever light does not get out the windows (or escapes the house
somehow) becomes heat.

Same story for the considerable amount of infrared wavelengths - some of
which do go through glass.

Lightbulbs are pretty efficient at home heating also - it's just a
matter of where the heat goes.

- Don Klipstein )
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