Armstrong Air / AIR-SOURCE HEAT PUMP

4SHP18LX136P

4SHP18LX SERIES · source records, page 7

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
ED1P30/36C+TDR+TXV+ furnace: EFV16CCAAHRI reference: 21073879517.508.10176002.08EPA 2447490
BCE5E30M*4XAHRI reference: 21073992617.508.50153002.00EPA 2447492
BCE5E24M*4XAHRI reference: 21073992517.508.10149001.85EPA 2447494
E*1P23B+TDR+TXV+ furnace: A96UH2E045B12AHRI reference: 21074000017.508.10146001.91EPA 2447499
E*1P23B+TDR+TXV+ furnace: A96UH2E070B12AHRI reference: 21074000517.508.10146001.91EPA 2447501
E*1P23B+TDR+TXV+ furnace: EFV12BCAAHRI reference: 21074003017.508.10144001.92EPA 2447578
EAC4X30B+TDR+ furnace: A96UH1E045B12AHRI reference: 21163221217.508.10152001.96EPA 2447768
EA(C,U)1P30B+TDR+TXV+ furnace: A96UH1E045B12AHRI reference: 21163219717.508.10152001.96EPA 2447770
ED1P24B+TDR+TXV+ furnace: A96DF2E045B12AHRI reference: 21163222417.508.10149001.82EPA 2448046
ED1P24B+TDR+TXV+ furnace: A96DF2E070B16AHRI reference: 21163222517.508.10149001.82EPA 2448047
EAC4X24B+TDR+ furnace: A96UH2E045B12AHRI reference: 21074024917.507.80156001.94EPA 2448056
BCE5V42M*4XAHRI reference: 21073795217.508.50182002.18EPA 2448258
7EC24BX-0*+TDR+ furnace: A96UH2E045B12AHRI reference: 21472982617.507.80156001.94EPA 3493061
7EC30BX-0*+TDR+ furnace: A96UH1E045B12AHRI reference: 21472986217.508.10152001.96EPA 3493257
7AH1AE24PX-0*AHRI reference: 21521903517.508.10149001.85EPA 3554745
7AH1AE30PX-0*AHRI reference: 21521903717.508.50153002.00EPA 3554746
7AH1AV42PX-0*AHRI reference: 21521905117.508.50182002.18EPA 3554755
7EC24BX-0*+TDR+ furnace: A97UH2E045B12AHRI reference: 21472983117.507.80156002.03EPA 4010906
7EC30BX-0*+TDR+ furnace: A97UH2E045B12AHRI reference: 21472986917.508.10151002.06EPA 4010909
7EH36CX-0*+TDR+ furnace: A97UH2E090C16AHRI reference: 21473004517.508.50194002.22EPA 4010913

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 →