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Heritage® features |
Ultimate
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Premium
|
Contemporary
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|
18
|
16
|
15
|
14
|
13
|
|
Woven Spine Fin™ coil |
√
|
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|
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Single-row Spine Fin™ coil |
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√
|
√
|
√
|
√
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Variable speed
fan motor |
√
|
|
|
|
|
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Single-speed fan motor |
|
√
|
√
|
√
|
√
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Steel louvered panels |
√
|
√
|
√
|
√
|
√
|
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Corrosion-resistant finish |
√
|
√
|
√
|
√
|
√
|
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Durabase™ basepan |
√
|
√
|
√
|
√
|
√
|
|
Dual Duration™
compressors |
√
|
|
|
|
|
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Two-step Duration™
compressors |
|
√
|
|
|
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Duration™ compressor |
|
|
√
|
√
|
√
|
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SermaGuard™ rust-resistant screws |
√
|
√
|
√
|
√
|
√
|
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Recessed fan grille |
√
|
√
|
√
|
√
|
√
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Compressor sound insulators |
√
|
√
|
√
|
√
|
√
|
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Electronic demand defrost |
√
|
√
|
√
|
√
|
√
|
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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 Heating & Air Conditioning indoor products |
- 10-year limited warranty on compressor and coil
- 5-year limited warranty on all other parts
- Optional extended 10-year warranty on parts and labor (ask your dealer for details)
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|
**Heritage® 13 with R410A available in 4th quarter 2006. |