| Oil Furnaces | ||
| 58CLA | 
| Low-Boy Oil Furnace |
| 58CLR |
| Low-Boy Oil Furnace |
| 58CMA |
| Multipoise Oil Furnace |
| 58CMR |
| Multipoise Oil Furnace |
| 58VLR |
| Low-Boy Oil Furnace |
| 58VMR |
| Multipoise Oil Furnace |
| OBL/OVL |
| Low-Boy Oil Furnace |
| OBM/OVM |
| Multipoise Oil Furnace |
| Gas Furnaces | ||
| 58CTA/CTX |
| Performance™ 80 Two-Stage 4-Way Multipoise Induced-Combustion Furnace |
| 58CVA/CVX |
| Infinity® 80 Variable Speed 4-Way Multipoise Gas Furnace |
| 58DLA/DLX |
| Comfort™ 80 Deluxe 4-Way Multipoise Induced-Combustion Gas Furnace |
| 58HDV |
| Direct Vent 4-Way Multipoise Condensing Gas Furnace 95% Downflow/Horizontal Orientation 93.5% Upflow Orientation |
| 58HDX |
| Comfort™ 95 Direct or Non-Direct Vent 4-Way Multipoise Condensing Gas Furnace |
| 58MCB |
| 4-Way Multipoise Fixed-Capacity Condensing Gas Furnace |
| 58MEB |
| Performance™ Boost 90 4-Way Multipoise Condensing Gas Furnace |
| 58MEC |
| Performance™ Boost 90 4-Way Multipoise 2-Stage Condensing Gas Furnace |
| 58MVB |
| Infinity® 96 Deluxe 4-Way Multipoise Variable-Speed Two-Stage Condensing Gas Furnace |
| 58MVC |
| Infinity® ICS Deluxe 4-Way Multipoise Variable-Speed Multi-Stage Condensing Gas Furnace |
| 58PHA/PHX |
| Performance™ Boost 80 4-Way Multipoise Induced-Combustion Gas Furnace |
| 58STA/STX |
| 4-Way Multipoise Induced-Combustion Gas Furnace |
| 58UVB |
| Performance™ 96 Upflow Only Variable Speed Condensing Gas Furnace |
| 59MN7A |
| Infinity® Modulating 4-Way Multipoise Condensing Gas Furnace |
| 59SP5A |
| Performance™ Boost Single-Stage 4-Way Multipoise Condensing Gas Furnace |
| 59TN6A |
| Infinity® Two-Stage Variable Speed 4-Way Multipoise Condensing Gas Furnace |
| 59TP5A |
| Performance™ Boost Two-Stage 4-Way Multipoise Condensing Gas Furnace |
| Gas/Oil/Propane Boilers | ||
| BS1 and BS2 |
| Gas-Fired Steam Boilers |
| BW1, BW2 and BW3 |
| Gas-Fired Water Boilers |
| BW4 and BW5 |
| Oil-Fired Water Boilers |
| BW9 |
| Gas-Fired Condensing Water Boiler |