Trane / AIR-SOURCE HEAT PUMP

4TWV8X36A1

XV18 · XV18I · source records, page 2

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
4PX*CU42BS3+ furnace: S8V2C080M5PDAAHRI reference: 21108124618.008.20204001.83EPA 2473147
4PX*CD42BS3+ furnace: S8V2C100M5PDAAHRI reference: 21108124318.008.00202001.74EPA 2473155
4PX*BD42BS3+ furnace: S8V2B080M4PDAAHRI reference: 21108123318.007.80206001.74EPA 2473190
4PX*BD42BS3+ furnace: *DD2B060ACV3AHRI reference: 20752689618.008.00204001.75EPA 2473231
4PX*BD42BS3+ furnace: S9V2B080D4PSB+RPAHRI reference: 20752654518.008.00204001.74EPA 2473238
4PX*CD42BS3+ furnace: *DD2C100ACV5AHRI reference: 20752654918.007.80204001.80EPA 2473243
4PX*BD42BS3+ furnace: S9V2B040D3PSB+RPAHRI reference: 20752654218.007.80206001.74EPA 2473264
TEM8A0C42V41+TDRAHRI reference: 20752635418.008.50206001.91EPA 2473280
4PX*CU48BS3+ furnace: S9V2C100U4VSA+RPAHRI reference: 20752646918.008.50204001.87EPA 2473323
4PX*BD42BS3+ furnace: *DD2B080ACV3AHRI reference: 20752654318.008.00204001.75EPA 2473324
4TXCC005DS3+ furnace: *UD2C080ACV4AHRI reference: 20752628618.008.20202001.80EPA 2473332
4PX*CU48BS3+ furnace: *UD2C100ACV5AHRI reference: 20752626018.008.50204001.86EPA 2473334
4PX*CU48BS3+ furnace: *UD2C080ACV4AHRI reference: 20752625718.008.50202001.87EPA 2473337
TEM8A0C36V31+TDRAHRI reference: 20752635318.008.50206001.91EPA 2473398
4TXCC005DS3+ furnace: *UD2C100ACV5AHRI reference: 20752628818.008.20204001.79EPA 2473421
4PX*CU36BS3+ furnace: *UD2C100ACV5AHRI reference: 20752625618.008.20202001.82EPA 2473423
4PX*CU36BS3+ furnace: *UD2C080ACV4AHRI reference: 20752625518.008.20200001.83EPA 2473441
4TXCC005DS3+ furnace: S8V2C100M5PCAAHRI reference: 21069189618.008.20204001.80EPA 2473459
4TXCB006DS3+ furnace: S8V2B060M4PCAAHRI reference: 21069189318.008.20206001.85EPA 2473460
4TXCB006DS3+ furnace: S8V2B080M4PCAAHRI reference: 21069189418.008.20208001.85EPA 2473461

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 →