Trane / AIR-SOURCE HEAT PUMP

4TWV8X24A1

XV18 · XV18I

55 published source records · source checked Sep 21, 2026

SEER2 range17–18BTU/Wh
HSPF2 range8–8.5BTU/Wh
Cooling capacity22,200–24,000BTU/h

Each efficiency range summarizes published EPA records for 4TWV8X24A1. 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 55 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/Wh17–1855 / 55
EER2 · BTU/Wh11.7–12.555 / 55
HSPF2 · BTU/Wh8–8.555 / 55
Cooling capacity · BTU/h22,200–24,00055 / 55
Heating capacity at 47°F / 8.3°C · BTU/h18,100–22,40055 / 55
Heating capacity at 17°F / −8.3°C · BTU/h16,300–17,90055 / 55
Heating capacity at 5°F / −15°C · BTU/h12,400–13,40055 / 55
COP at 5°F / −15°C1.6–1.9555 / 55
Equipment / loop typeHP - Split System55 / 55
Refrigerant / source-reported GWPR-410A (GWP:2088)55 / 55
Compressor stagingContinuously variable55 / 55
Connected capabilityNo55 / 55

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
4PX*BU36BS3+ furnace: L8V1A060U3VSA+RPAHRI reference: 21065358018.008.20125001.83EPA 2472448
4TXCB003DS3+ furnace: L8V1A060U3VSA+RPAHRI reference: 21065358818.008.00129001.69EPA 2472675
TAMXB0B30V31AHRI reference: 21101553818.008.50129001.90EPA 2472768
4PX*BU36BS3+ furnace: S9V2B040U3PSB+RPAHRI reference: 20752639218.008.50131001.91EPA 2473290
TEM8A0B30V31+TDRAHRI reference: 20752635118.008.50131001.94EPA 2473333
4PX*BU36BS3+ furnace: *UHMB080ACV3AHRI reference: 20752623418.008.50128001.91EPA 2473339
4TXCB003DS3+ furnace: *UHMB080ACV3AHRI reference: 21065358618.008.20131001.76EPA 2530919
4TXCB003DS3+ furnace: S9V2B040U3PSB+RPAHRI reference: 21065359018.008.20134001.76EPA 2530920
4TXCB003DS3+ furnace: S9V2B040U3VSA+RPAHRI reference: 21065359118.008.20134001.76EPA 2530921
4TXCB003DS3+ furnace: *UHMB060ACV3AHRI reference: 21159691818.008.20131001.74EPA 2531421
TEM8A0B24V21+TDRAHRI reference: 21159692018.008.50132001.95EPA 2531764
4TXCB004DS3+ furnace: *UHMB080ACV3AHRI reference: 21159691918.008.50128001.91EPA 2531766
4TXCB004DS3+ furnace: L8V1A060U3VSB+RPAHRI reference: 21262993118.008.20125001.80EPA 2632874
4PX*BU36BS3+ furnace: L8V1A060U3VSB+RPAHRI reference: 21262991718.008.20125001.80EPA 2632886
4TXCB004DS3+ furnace: *UHMB060CCV3AHRI reference: 21382595818.008.50127001.80EPA 2860501
4PX*BU36BS3+ furnace: S9V2B060U4PSB+RPAHRI reference: 21388091118.008.20128001.80EPA 2862401
4PX*BU36BS3+ furnace: *UHMB060CCV3AHRI reference: 21425071318.008.50127001.80EPA 3412810
4PX*BU36BS3+ furnace: *UHMB080CCV3AHRI reference: 21425071518.008.50128001.90EPA 3412812
4TXCB003DS3+ furnace: *UHMB060CCV3AHRI reference: 21425071718.008.20130001.70EPA 3412814
4TXCB004DS3+ furnace: *UHMB080CCV3AHRI reference: 21425072118.008.50128001.90EPA 3412817

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 →