Heat Pumps Comparison Chart
| Heritage® features |
Ultimate
|
Premium
|
Contemporary
|
||
|
18
|
16
|
15
|
14
|
13
|
|
| Woven Spine Fin™ coil |
√
|
||||
| Single-row Spine Fin™ coil |
√
|
√
|
√
|
√
|
|
| Variable speed fan motor |
√
|
||||
| Single-speed fan motor |
√
|
√
|
√
|
√
|
|
| Steel louvered panels |
√
|
√
|
√
|
√
|
√
|
| Corrosion-resistant finish |
√
|
√
|
√
|
√
|
√
|
| Durabase™ basepan |
√
|
√
|
√
|
√
|
√
|
| Dual Duration™ compressors |
√
|
||||
| Two-step Duration™ compressors |
√
|
||||
| Duration™ compressor |
√
|
√
|
√
|
||
| SermaGuard™ rust-resistant screws |
√
|
√
|
√
|
√
|
√
|
| Recessed fan grille |
√
|
√
|
√
|
√
|
√
|
| Compressor sound insulators |
√
|
√
|
√
|
√
|
√
|
| Electronic demand defrost |
√
|
√
|
√
|
√
|
√
|
| Seacoast shield |
√
|
√
|
√
|
√
|
√
|
| Refrigerant |
R-22
|
R-410A
|
R-22
|
R-22 or R-410A
|
R-22 or R-410A**
|
| High SEER efficiency* (up to) |
17.70
|
17.00
|
16.50
|
15.00
|
14.00
|
| High HSPF efficiency (up to) |
9.00
|
9.20
|
9.00
|
9.00
|
8.50
|
| Warranty protection *When installed with certain American Standard indoor products |
|
||||
| **Heritage® 13 with R410A available in 4th quarter 2006. | |||||