Armstrong Air / AIR-SOURCE HEAT PUMP

4SHP18LX136P

4SHP18LX SERIES · source records, page 8

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
E*1P23B+TDR+TXV+ furnace: A97UH2E045B12AHRI reference: 21392770417.508.10146002.01EPA 4010939
EA(C,U)1P24B+TDR+TXV+ furnace: A97UH2E045B12AHRI reference: 21392770617.507.80156002.03EPA 4010941
EA(C,U)1P30B+TDR+TXV+ furnace: A97UH2E045B12AHRI reference: 21392770817.508.10151002.06EPA 4010943
EAC4X24B+TDR+ furnace: A97UH2E045B12AHRI reference: 21392771017.507.80156002.03EPA 4010945
EAC4X30B+TDR+ furnace: A97UH2E045B12AHRI reference: 21392771217.508.10151002.06EPA 4010947
E*1P36C+TDR+TXV+ furnace: A97UH2E090C16AHRI reference: 21392856017.508.50194002.22EPA 4010963
EAH1P30B+TDR+TXV+ furnace: EFV08BCAAHRI reference: 21074044817.108.50151001.99EPA 2447239
ED1P30/36B+TDR+TXV+ furnace: EFV12BCAAHRI reference: 21073877517.108.10177002.06EPA 2447487
ED1P30/36C+TDR+TXV+ furnace: A96DF1E090C16AHRI reference: 21073878217.108.10180002.06EPA 2447488
BCE5C18M*4XAHRI reference: 21073991417.108.50147001.94EPA 2447491
BCE5C18M*1P+TXVAHRI reference: 21073991317.108.50147001.94EPA 2447500
EA(C;U)1P30B+TDR+TXV+ furnace: A96UH1E070B12AHRI reference: 21074016717.107.80152001.96EPA 2448179
EAC4X30B+TDR+ furnace: A96UH1E070B12AHRI reference: 21074033517.107.80152001.96EPA 2448254
7EH30BX-0*+TDR+ furnace: EFV08BCAAHRI reference: 21473002717.108.50151001.99EPA 3492943
7EC30BX-0*+TDR+ furnace: A96UH1E070B12AHRI reference: 21472986317.107.80152001.96EPA 3493258
7AH1AC18PX-0*AHRI reference: 21521902917.108.50147001.94EPA 3554743
ED1P30/36C+TDR+TXV+ furnace: A96DF2E090C16AHRI reference: 21073878716.508.10180002.04EPA 2447493
E*1P23B+TDR+TXV+ furnace: EFV08BCAAHRI reference: 21074002616.508.10145001.88EPA 2447514
EAC4X30B+TDR+ furnace: EFV08BCAAHRI reference: 21074036416.007.80151001.93EPA 2447222
EA(C;U)1P30B+TDR+TXV+ furnace: EFV08BCAAHRI reference: 21074019616.007.80151001.93EPA 2448180

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 →