Johnson Controls / AIR-SOURCE HEAT PUMP

THF2B24T21

LX SERIES

165 published source records · source checked Sep 21, 2026

SEER2 range15.2–16BTU/Wh
HSPF2 range7.8–8.1BTU/Wh
Cooling capacity22,800–24,200BTU/h

Each efficiency range summarizes published EPA records for THF2B24T21. The highest SEER2 and HSPF2 may belong to different combinations. Open a source record below to see its ratings and the scope of its component information.

Model patterns and component strings are preserved exactly. How to read model patterns and combinations →

Heating performance & equipment details

Ranges include the 165 published source records for this model. Values in different rows may describe different configurations. Open an individual record to compare values from the same test configuration.

Reported fieldValue / rangeRecords supplying it
SEER2 · BTU/Wh15.2–16165 / 165
EER2 · BTU/Wh11.7–12165 / 165
HSPF2 · BTU/Wh7.8–8.1165 / 165
Cooling capacity · BTU/h22,800–24,200165 / 165
Heating capacity at 47°F / 8.3°C · BTU/h20,600–22,800165 / 165
Heating capacity at 17°F / −8.3°C · BTU/h13,100–14,500165 / 165
Heating capacity at 5°F / −15°C · BTU/h9,600–12,000165 / 165
COP at 5°F / −15°C1.96–2.3165 / 165
Equipment / loop typeHP - Split System165 / 165
Refrigerant / source-reported GWPR-410A (GWP:2088)165 / 165
Compressor stagingTwo-stage165 / 165
Connected capabilityNo165 / 165

47°F = 8.3°C; 17°F = −8.3°C; 5°F = −15°C. COP is dimensionless. These are reported rating points, not a prediction of a particular home’s heat demand or operating limit.

Matched systems

Each row is one source record. The component column distinguishes listed combinations from outdoor-model ratings without an indoor configuration.

Indoor unit / required furnaceSEER2BTU/WhHSPF2BTU/WhHeating capacity at 5°F / −15°CBTU/hCOP at 5°F / −15°CRecord & comparison
XAHB30CBAN1+ furnace: Z8ES080B12LMPS1AHRI reference: 21248664116.008.10116002.24EPA 2474767
XAHC36DBAN1+ furnace: Z8ES100B12LMPS1AHRI reference: 21248884916.008.10115002.28EPA 2476209
XAHB30CBAN1+ furnace: Z8ES080B12SMPS1AHRI reference: 21248663416.008.10116002.24EPA 2476445
XAFB36DXXN1+TXV+ furnace: Z8ES040A12LMPS1AHRI reference: 21248671316.008.10114002.24EPA 2476634
XAHB30CBAN1+ furnace: Z8ES040A12SMPS1AHRI reference: 21248052016.008.10117002.22EPA 2477281
XAFB36DXXN1+TXV+ furnace: Z8ES040A12SMPS1AHRI reference: 21248670616.008.10114002.24EPA 2477836
XAHC36DBAN1+ furnace: Z8ES100B12SMPS1AHRI reference: 21248884216.008.10115002.28EPA 2478054
XAFB36DBAN1+ furnace: Z8ES040A12SMPS1AHRI reference: 21248671816.008.10114002.24EPA 2478233
XAFC30CBAN1+ furnace: Z8ES080B12LMPS1AHRI reference: 21248882516.008.10116002.22EPA 2478431
XAFC30CBAN1+ furnace: Z8ES080B12SMPS1AHRI reference: 21248881816.008.10116002.22EPA 2478440
XAFB30CBAN1+ furnace: Z8ES060A12SMPS1AHRI reference: 21248463816.007.80116002.20EPA 2479724
XAHC30CBAN1+ furnace: Z8ES080B12SMPS1AHRI reference: 21248049616.008.10116002.24EPA 2479995
XAFB36DBAN1+ furnace: Z8ES040A12LMPS1AHRI reference: 21248673016.008.10114002.24EPA 2480320
XAFB30CBAN1+ furnace: Z8ES040A12LMPS1AHRI reference: 21248667016.008.10117002.20EPA 2480397
XAFB30CBAN1+ furnace: Z8ES040A12SMPS1AHRI reference: 21248665816.008.10117002.20EPA 2480406
XAFB30CBAN1+ furnace: Z8ES080B12SMPS1AHRI reference: 21247912316.008.10116002.22EPA 2480827
XAHB36DBAN1+ furnace: Z8ES040A12LMPS1AHRI reference: 21248057516.008.10115002.26EPA 2480941
XAHB36DBAN1+ furnace: Z8ES040A12SMPS1AHRI reference: 21248056816.008.10115002.26EPA 2480951
XAFB30CBAN1+ furnace: Z8ES080B12LMPS1AHRI reference: 21247917516.008.10116002.22EPA 2482198
XAHB36DBAN1+ furnace: Z8ES100B12SMPS1AHRI reference: 21247928916.008.10115002.28EPA 2482222

Sources and documentation

The table uses public EPA ENERGY STAR data. AHRI references are reported by EPA and have not been independently checked with AHRI. Source records do not establish availability, installation suitability or rebate eligibility.

No manufacturer manual has been matched to this model.

Collection method, revision history and known limitations →