Capacity of Geothermal Heat Pump Shipments by Model Type, 1998-2004

Data for: 2004
Release Date: March 2006
Next Release Date: March, 2007

Table 59. Capacity of Geothermal Heat Pump Shipments by Model Type, 1998-2004 (Total Rated Capacity Tons)
Model	1998	1999	2000	2001	2002	2003	2004
ARI-320	35,776	27,970	26,469	NA	16,756	29,238	23,764
ARI-325/330	98,912	153,947	130,132	NA	96,541	89,731	100,317
Other Non-ARI Rated	6,758	9,735	7,590	NA	12,000	5,469	20,220
Totals	141,446	191,651	164,191	NA	125,297	124,438	144,301
NA = Not Available. No survey was conducted for 2001. Note: One ton of capacity is equal to 12,000 Btus per hour. Source: Energy Information Administration, Form EIA-902, "Annual Geothermal Heat Pump Manufacturers Survey."