Trane / AIR-SOURCE HEAT PUMP

4TWV8X36A1

XV18 · XV18I · source records, page 4

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
4TXCB004DS3+ furnace: *UHMB080ACV3AHRI reference: 20752628018.008.20204001.81EPA 2531058
4PX*CD36BS3+HORIZ-RT+ furnace: *UD2C080ACV4AHRI reference: 21159692918.007.80204001.67EPA 2531759
4PX*CU42BS3+ furnace: *UD2C080ACV4AHRI reference: 21159693118.008.50202001.85EPA 2531761
4PX*CD42BS3+HORIZ-RT+ furnace: *UD2C080ACV4AHRI reference: 21159693018.008.00200001.76EPA 2531762
4TXCB006DS3+ furnace: *UD2B060ACV3AHRI reference: 21159693418.008.20208001.87EPA 2531765
4PX*CD42BS3+ furnace: *DHMC100ACV4AHRI reference: 21065362718.008.00204001.75EPA 2537155
4PX*CD42BS3+ furnace: S9V2C100D4VSA+RPAHRI reference: 21065362618.008.00202001.76EPA 2537156
4PX*CD36BS3+HORIZ-RT+ furnace: *UD2C100ACV5AHRI reference: 21128905218.007.80206001.67EPA 2537943
4PX*CD42BS3+HORIZ-RT+ furnace: *UD2C100ACV5AHRI reference: 21128905318.008.00202001.76EPA 2537944
4PX*CU42BS3+ furnace: *UD2C100ACV5AHRI reference: 21128905418.008.50204001.84EPA 2537945
4TXCB006DS3+ furnace: L8V1A060U3VSB+RPAHRI reference: 21262997118.008.00200001.80EPA 2632676
4TXCB006DS3+P0V0B000M40SD+RPAHRI reference: 21262996518.008.20198001.80EPA 2632731
4TXCB006DS3+ furnace: L8V1B080U4VSB+RPAHRI reference: 21262996718.008.20208001.80EPA 2632735
4TXCC005DS3+ furnace: *UHMC100CCV4AHRI reference: 21382596218.008.20202001.80EPA 2860504
4TXCB004DS3+ furnace: *UHMB080CCV3AHRI reference: 21382596018.008.20204001.80EPA 2860508
4PX*BU36BS3+ furnace: *UHMB080CCV3AHRI reference: 21425073118.008.20204001.80EPA 3412826
4PX*BU36BS3+ furnace: *UHMB060CCV3AHRI reference: 21425073518.008.20206001.80EPA 3412828
4PX*CD42BS3+ furnace: *DHMC100CCV4AHRI reference: 21425074718.008.00204001.70EPA 3412834
4PX*CU36BS3+ furnace: *UHMC100CCV4AHRI reference: 21425074918.008.20202001.80EPA 3412836
4TXCB004DS3+ furnace: *UHMB060CCV3AHRI reference: 21425075718.008.20206001.80EPA 3412838

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 →