How much of energy does a computer, a light and an air conditioning use up?

Question

How much of energy does a computer, a light and an air conditioning use up?

Answer 1

Good news:  1st law of thermodynamics (aka:  law of conservation of energy) is the principle that the total energy of an isolated system remains constant despite any internal change.

In short that means energy can be neither created nor destroyed.

So - your answer is NONE!  Computers, lights, and A/C's don't "use up" any energy.  They only change the form.

Answer 2

500W is what a computer power supply can usually do max.  They don't constantly draw that.  Listen to #2.

Answer 3

Computer:  500W, more if old-fashioned (CRT) monitor

Light: 60W (one bulb), less for CFL, 80W for a 2-tube straight flourescent

AirConditioning:  1,600W for a *small* window unit; more for larger units

Computer and lights will make the air conditioner run more.

Answer 4

Computer:

PC: 80 Watts per running hour

CRT Screen: 80 Watts per running hour

LCD Screen: 30 Watts per running hour

Light:

depends on the wattage rating

Incandascent bulb (most used) 100 Watts

CFL: 25 Wattas with equivalent light output

A/C:

Central: 6000 Watts

Window unit: 1100 Watts

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only if that is what you meant..