"Signal" wrote in message
...


Wrong. They are far from equivalent. Electronic components and light
bulbs are not efficient sources of heat.


Wrong.

All the electrical energy that enters your tv while on standby ( and whilst
switched on for that matter) must be dissipated to the environment some way
or other. Mostly directly as heat from the circuitry. This is dissipated
into the room by convection, conduction and IR radiation.

If there is a standby light on the front of the set then this will emit
electromagnetic energy quite efficiently if it is an LED. However the LED
will still loose some thermal energy. The emitted light will scatter about
the room. Some will be lost through windows and open doors. Much of it will
eventually get absorbed by either the air or walls and their temperature
will increase slightly.

Either way the vast majority of the electrical energy will go towards
heating the room.

The fact that all these effects together will not result in a significantly
lower heating cost for the room demonstrates just what a minute amount of
energy is used when you leave a TV on standby.

Paulus