Trane / AIR-SOURCE HEAT PUMP

4TWV8X36A1

XV18 · XV18I · source records, page 6

129 published source records · source checked Sep 21, 2026

SEER2 range17.5–18BTU/Wh
HSPF2 range7.8–8.5BTU/Wh
Cooling capacity31,800–35,600BTU/h

Each efficiency range summarizes published EPA records for 4TWV8X36A1. 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 129 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/Wh17.5–18129 / 129
EER2 · BTU/Wh11.2–12.2129 / 129
HSPF2 · BTU/Wh7.8–8.5129 / 129
Cooling capacity · BTU/h31,800–35,600129 / 129
Heating capacity at 47°F / 8.3°C · BTU/h28,800–32,800129 / 129
Heating capacity at 17°F / −8.3°C · BTU/h24,200–26,800129 / 129
Heating capacity at 5°F / −15°C · BTU/h19,200–21,000129 / 129
COP at 5°F / −15°C1.67–1.91129 / 129
Equipment / loop typeHP - Split System129 / 129
Refrigerant / source-reported GWPR-410A (GWP:2088)129 / 129
Compressor stagingContinuously variable129 / 129
Connected capabilityNo129 / 129

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
4TXCB006DS3+ furnace: S8V2B080M4PDBAHRI reference: 21425333318.008.20208001.80EPA 3413056
4TXCB006DS3+ furnace: S8V2B060M4PCBAHRI reference: 21425333518.008.20206001.80EPA 3413058
4TXCB006DS3+ furnace: S8V2A040M3PDBAHRI reference: 21425333718.008.10199001.80EPA 3413060
4TXCB006DS3+ furnace: S8V2A040M3PCBAHRI reference: 21425333918.008.10199001.80EPA 3413062
4TXCB006DS3+ furnace: S8V2B060M4PDBAHRI reference: 21425334118.008.20206001.80EPA 3413064
4TXCB006DS3+ furnace: S8V2B080M4PCBAHRI reference: 21425334318.008.20208001.80EPA 3413067
4TXCC005DS3+ furnace: S8V2C100M5PDBAHRI reference: 21425334518.008.20204001.80EPA 3413068
4TXCC005DS3+ furnace: S8V2C080M5PCBAHRI reference: 21425334718.008.20202001.70EPA 3413070
4TXCC005DS3+ furnace: S8V2C100M5PCBAHRI reference: 21425334918.008.20204001.80EPA 3413074
4TXCC005DS3+ furnace: S8V2C080M5PDBAHRI reference: 21425335118.008.20202001.70EPA 3413076
4PX*CU42BS3+ furnace: S9V2C080U5PSC+RPAHRI reference: 21463999318.008.50204001.80EPA 3476842
4PX*CU48BS3+ furnace: S9V2C080U5PSC+RPAHRI reference: 21463999518.008.50204001.80EPA 3476844
4PX*CU36BS3+ furnace: S9V2C080U5PSC+RPAHRI reference: 21463999118.008.20202001.80EPA 3476846
4TXCB006DS3+ furnace: S9V2B040U3PSC+RPAHRI reference: 21464000718.008.50210001.80EPA 3476847
4TXCB006DS3+ furnace: S9V2B060U4PSC+RPAHRI reference: 21464000918.008.50206001.80EPA 3476849
4TXCC005DS3+ furnace: S9V2C080U5PSC+RPAHRI reference: 21464001118.008.20204001.80EPA 3476851
4TXCB006DS3+ furnace: S9V2B060U3VSB+RPAHRI reference: 21463891318.008.20204001.80EPA 3477015
4TXCB006DS3+ furnace: S9V2B040U3VSB+RPAHRI reference: 21463891518.008.20206001.80EPA 3477018
4TXCB006DS3+ furnace: S9V2B080U4VSA+RPAHRI reference: 21545346518.008.20206001.80EPA 3627876
4PX*CU36BS3+ furnace: S9V2C080U5VSB+RPAHRI reference: 21582587118.008.20202001.82EPA 3799634

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 →