Oil Furnace Brands & Models
| AFUE Rating | |
| Preferred Series OVL Oil Furnace | 87.50% |
| Preferred Series OVM Oil Furnace | 86.40% |
| AFUE Rating | |
| Classic Series ROCB | 86.50% |
| Classic Series ROCA | 85.90% |
| AFUE Rating | |
| Performance 80 OVL | 87.50% |
| Performance 80 OVM | 86.40% |
| Comfort 80 OBL | 87.50% |
| Comfort 80 OBM | 86.40% |
| AFUE Rating | |
| Signature SLO185V | 85% |
| Elite ELO183 | 83% |
| AFUE Rating | |
| XV80 Furnace | 85% |
| XP80 Furnace | 85% |
