A reliable way to stay warm and save energy
| Rating |  (10) |
| Price Guide | $$ |
| Efficiency Rating (AFUE) | up to 84.4 |
| Warranty |
20-Year Limited Warranty on Heat Exchanger; 5-Year Limited Warranty on covered components. This product may be eligible for 10-Year Limited Warranty coverage with product registration. |
Engineered for lasting comfort and energy savings
| Rating |  (3) |
| Price Guide | $$$ |
| Efficiency Rating (AFUE) | up to 90 |
| Energy Star® |  ENERGY STAR® Qualified |
| Warranty |
15-Year Limited Warranty on Heat Exchanger; 10-Year Limited Warranty on covered parts. |
Design that’s highly innovative and efficient
| Price Guide | $$$ |
| Efficiency Rating (AFUE) | up to 95 |
| Energy Star® | ENERGY STAR® Qualified |
| Warranty |
15-Year Limited Warranty on Heat Exchanger; 10-Year Limited Warranty on covered components. |