Provided by Scriptco Computer Solutions

See Ohms Law :

http://www.scriptco.net/rr/ohms.jpg

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HEAT OUTPUT

watts x 3.4 = Btu/hr. heat output

Typical Specs

B/W Laser Printer

8 Amps; 120 V.; up to 330 Watts usage when printing; 20 Watts in stand-by

Inkjet Printer

12 Watts while printing; 5 Watts in stand-by

Desktop Computer Workstation

Heat output max. - 510 Btu/hr. or less ( typically 270 Btu/hr. ) ( depends on internal components )
Max. 150 Watts output - usually much less ( 80 Watts); ( 3 Watts in sleep mode, 2 Watts when in off mode ); 115 Volts input; 12 Volts output; 1 Amp on multi featured models

17" CRT ( glass type tube ) Monitor

120 Volts; 1 Amp; 120 Watts when in full use, 5 Watts sleep mode

NOTE : 80 Watts is the typical power used by the computer alone. If both the computer and monitor are left on, the energy used is that of a 200 Watt light bulb!