Model no.
YZT48B21
- Size
- 4 tons
- SEER2
- 17
- EER2
- 12.5
- HSPF2
- 8.1
York heat pump from the AFFINITY line. Rated 16 to 17 SEER2 across 18 certified matchups.
Model
| Model number |
YZT48B21 |
| Product series |
AFFINITY |
| Stages |
Two stage |
Cold weather
| Heating capacity at 17°F |
33,000 BTU/h |
| Heating capacity at 5°F |
27,000 BTU/h |
| COP at 5°F |
2.32 |
Ratings across matchups
| Lowest SEER2 |
16 |
| Highest SEER2 |
17 |
| Lowest HSPF2 |
8.1 |
| Highest HSPF2 |
8.1 |
| Certified matchups |
18 |
Ratings and warranty
| AHRI reference number |
209407717 |
| ENERGY STAR certified |
Yes |
| On the market since |
May 18, 2023 |
| ENERGY STAR listed |
July 7, 2026 |
Notes
Certified matchups
Top certified matchups for this outdoor unit, from ENERGY STAR data. Ratings depend on the indoor coil or furnace it is paired with.
| Indoor unit |
Furnace |
SEER2 |
EER2 |
HSPF2 |
AHRI ref. |
| XAHC60HBCN1 |
TM8Y080C16MP11 |
17 |
12.5 |
8.1 |
209407717 |
| XAHD60HBCN1 |
TM8Y120C20MP11 |
17 |
11.7 |
8.1 |
209407705 |
| JHETD60HBCS2N1 |
|
17 |
12.5 |
8.1 |
208613061 |
| XAHC60HBCN1 |
TM8Y100C16MP11 |
17 |
12.5 |
8.1 |
209407716 |
| XAHC60HBCN1 |
TM8Y100C20MP11 |
17 |
11.7 |
8.1 |
209407710 |
| XAHC60HBCN1 |
TM8Y120C20MP11 |
17 |
11.7 |
8.1 |
209407708 |
| XAHD60HBCN1 |
TM8Y100C20MP11 |
17 |
11.7 |
8.1 |
209407707 |
| XAHC60HBCN1 |
Y82E100C20LMPS1 |
17 |
12 |
8.1 |
211771245 |
| XAFC60HBCN1 |
TM8Y120C20MP11 |
17 |
11.7 |
8.1 |
210279235 |
| XAFC60HBCN1 |
TM8Y100C20MP11 |
17 |
11.7 |
8.1 |
210279236 |
| XAHD60HBCN1 |
TM8Y100C16MP11 |
16 |
12 |
8.1 |
209407712 |
| XAHD60HBCN1 |
TM8Y080C16MP11 |
16 |
12 |
8.1 |
209407714 |
6 more matchups are listed in the ENERGY STAR directory.