Facilities Management, University of Iowa
Annual Costs to Operate Typical Office Equipment

(Dollar amounts based on equipment left running continuously)  
 
 

 

 

 

 

Personal Computer

PC -  Dell

$  33.74

CRT - Dell Trinitron

$137.79

Total

$170.53

FACT:  Energy consumption by computers on campus varies widely by style and brand.
Did you know....  The 25,200 computers on campus consume over 10,000 tons of coal a year!
Computers account for approximately 10% of total electrical consumption on campus.

PC - Monitor Only

CRT - Dell Trinitron

$137.79

Flat Screen - Dell

$   25.31

FACT: Flat screen monitors use substantially less energy than a standard monitor.
SURVEY SAYS: Approximately 40% of campus users leave their computers and monitors running continuously.
MYTH: "It harms the computer to turn it on and off everyday."
FACT:  With today's technology, it actually helps to turn systems off at the end of the day.

Black & White
Laser Printer

 

$  11.25

 

Color Laser Printer

 

$  13.50

 

Desktop Printer

 

$    2.25

FACT:  Some models of desktop printers use up to 3 watts of power when "off" but still plugged in.  Using a power strip for these and other accessories can allow you to turn several items completely off when not in use.

Copier

 

$101.23

FACT:  Office copiers can use as much as 180 Watts in standby mode, and 3,500 Watts while in operation.  

Coffee Makers

Bunn Coffee Machine

$ 93.92

12-cup Coffee Maker

$ 12.00

 

Personal Space Heater

500 watt

$281.20

750 watt

$421.80

1000 watt

$562.40

1500 watt

$843.59

 

Personal Desktop Fan

Low -         36 watt

$   20.25

Medium -   44 watt

$   24.75

High -        55 watt

$   30.98

 

Office Lights

2-fixture

$  89.98

4-fixture

$197.97

 

Classroom Lights

8-fixture

$359.98

16-fixture

$719.86