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Boiler Capacity<br />
(MMBtu / hr)<br />
U. S. Boiler Market Survey:<br />
Age Distribution<br />
• U.S. Boilers – Age Distribution of Boilers > 10 MMBtu/hr (2005):<br />
• C/I Boiler Inventory – 163,000 units w/ capacity of 2.7 Trillion Btu/hr<br />
1,200,000<br />
1,000,000<br />
47% of existing inventory – 40+ yrs. old<br />
76% of existing inventory – 30+ yrs. Old<br />
800,000<br />
600,000<br />
400,000<br />
200,000<br />
Pre-1964 1964 -<br />
1978<br />
1969 -<br />
1973<br />
1974 -<br />
1978<br />
1979 -<br />
1983<br />
1984 -<br />
1988<br />
1989 -<br />
1993<br />
1994 -<br />
1998<br />
1999 -<br />
2002
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