| U.S. Hearth Appliance Shipments | |||||
| 1998--2005 | |||||
| Year | Cordwood | Pellet | Gas | Electric | Total |
| 1998 | 652500 | 34000 | 1611750 | 50000 | 2348250 |
| 1999 | 795767 | 18360 | 1767529 | 90000 | 2671656 |
| 2000 | 609332 | 30970 | 1977484 | 130000 | 2747786 |
| 2001 | 637856 | 53473 | 1694330 | 170000 | 2555659 |
| 2002 | 534406 | 33978 | 1716139 | 210000 | 2494523 |
| 2003 | 503699 | 48669 | 1809886 | 250000 | 2612254 |
| 2004 | 498630 | 67467 | 2103685 | 300000 | 2969782 |
| 2005 | 561596 | 118490 | 2141165 | 380000 | 3201251 |