Armstrong Air / AIR-SOURCE HEAT PUMP

4SHP18LX136P

4SHP18LX SERIES

161 published source records · source checked Sep 21, 2026

SEER2 range16–19BTU/Wh
HSPF2 range7.8–8.5BTU/Wh
Cooling capacity22,000–35,000BTU/h

Each efficiency range summarizes published EPA records for 4SHP18LX136P. 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 161 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/Wh16–19161 / 161
EER2 · BTU/Wh11–12.3161 / 161
HSPF2 · BTU/Wh7.8–8.5161 / 161
Cooling capacity · BTU/h22,000–35,000161 / 161
Heating capacity at 47°F / 8.3°C · BTU/h22,000–35,000161 / 161
Heating capacity at 17°F / −8.3°C · BTU/h14,900–23,600161 / 161
Heating capacity at 5°F / −15°C · BTU/h10,900–19,600161 / 161
COP at 5°F / −15°C1.82–2.22161 / 161
Equipment / loop typeHP - Split System161 / 161
Refrigerant / source-reported GWPR-410A (GWP:2088)161 / 161
Compressor stagingContinuously variable161 / 161
Connected capabilityNo161 / 161

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
EAH1P30B+TDR+TXV+ furnace: A96US2V070B12AHRI reference: 21074043519.008.50149002.04EPA 2447236
EAH1P30B+TDR+TXV+ furnace: A96US2V045B12AHRI reference: 21074043119.008.50150002.03EPA 2447240
EAH1P30B+TDR+TXV+ furnace: A97US2V060B12XAHRI reference: 21074044319.008.50149002.02EPA 2447241
EAH1P30B+TDR+TXV+ furnace: A97US2V040B12XAHRI reference: 21074043919.008.50149002.02EPA 2447242
EA(C;U)1P24B+TDR+TXV+ furnace: A96US2V070B12AHRI reference: 21074009519.007.80152001.94EPA 2447428
EA(C;U)1P24B+TDR+TXV+ furnace: A97US2V040B12XAHRI reference: 21074009919.007.80153001.93EPA 2447429
E*1P23B+TDR+TXV+ furnace: A96US2V045B12AHRI reference: 21074000919.008.10143001.89EPA 2447503
E*1P23B+TDR+TXV+ furnace: A96US2V070B12AHRI reference: 21074001319.008.10142001.91EPA 2447504
E*1P23B+TDR+TXV+ furnace: A97US2V040B12XAHRI reference: 21074001719.008.10143001.90EPA 2447509
E*1P23B+TDR+TXV+ furnace: A97USMV070B12AHRI reference: 21163218319.008.10142001.90EPA 2447767
EAC4X30B+TDR+ furnace: A97USMV070B12AHRI reference: 21163221319.008.10148001.97EPA 2447774
EA(C,U)1P30B+TDR+TXV+ furnace: A97USMV070B12AHRI reference: 21163219819.008.10148001.97EPA 2447778
BCE7E30M*4XAHRI reference: 21073994319.008.50155002.17EPA 2447889
BCE7S30M*4XAHRI reference: 21073995119.008.50154002.15EPA 2447891
BCE7S24M*4XAHRI reference: 21073994719.008.50154002.08EPA 2447892
ED1P24B+TDR+TXV+ furnace: A97DSMV070B12AHRI reference: 21163222819.008.10147001.82EPA 2448050
EAC4X24B+TDR+ furnace: A96US2V045B12AHRI reference: 21074025819.007.80153001.93EPA 2448058
EAC4X24B+TDR+ furnace: A97US2V060B12XAHRI reference: 21074027019.007.80152001.92EPA 2448063
EAC4X24B+TDR+ furnace: A97US2V040B12XAHRI reference: 21074026619.007.80153001.93EPA 2448064
EAC4X24B+TDR+ furnace: A96US2V070B12AHRI reference: 21074026219.007.80152001.94EPA 2448065

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 →