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Demographics: Characteristics of Selected Commercial Space Heating Equipment

Equipment Type1 Vintage Efficiency2

Capital Cost (2001 dollars per
thousand Btu
per hour)3

Maintenance Cost
(2001 dollars
per
thousand Btu
per hour)3

Service Life
(years)

Electric Heat Pump    

Current Standard

6.8

$81.39

$3.33

14

2000- typical    

7.5

$97.92

$3.33

14

2000- high efficiency

9.8

$155.56

$3.33

14

Ground-Source Heat Pump

2000- typical

3.4

$167.50

$1.46

20

2000- high efficiency

4.0

$229.17

$1.46

20

Electric Boiler

Current Standard    

0.98

$21.83

$0.14

21

Packaged Electric

1995

0.93

$19.77

$3.49

18

Natural Gas Furnace

Current Standard     

0.80

$9.11

$1.00

15

2000- high efficiency     

0.92

$14.82

$0.88

15

Natural Gas Boiler

Current Standard

0.80

$16.11

$0.55

25

2000 -  high efficiency

0.87

$33.82

$0.69

25

Natural Gas Heat Pump

2005- absortion

1.4

$173.61

$4.17

15

2000- high efficiency

0.88

$18.83

$0.12

20

Source: Energy Information Administration, “Technology Forecast Updates - Residential and Commercial Building Technologies - Reference Case”, Arthur D. Little, Inc., #8675309, October 2001.