Armstrong Air / AIR-SOURCE HEAT PUMP

4SHP18LX136P

4SHP18LX SERIES · source records, page 6

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
7AH2AE24PX-0*AHRI reference: 21521905518.008.50156002.12EPA 3554759
7EC30BX-0*+TDR+ furnace: A97UH2E070B12AHRI reference: 21472987018.008.10151002.06EPA 4010910
7EH30BX-0*+TDR+ furnace: A97UH2E045B12AHRI reference: 21473001618.008.50152002.11EPA 4010911
7EH48BX-0*+TDR+ furnace: A97UH2E045B12AHRI reference: 21473008618.008.50183002.10EPA 4010914
7EH48CX-0*+TDR+ furnace: A97UH2E090C16AHRI reference: 21473011318.008.10182002.08EPA 4010916
7EH36CX-0*+TDR+ furnace: A98USMV090C12AHRI reference: 21473006318.008.50196002.20EPA 4010922
7EH36CX-0*+TDR+ furnace: A98USMV090C16AHRI reference: 21473006418.008.50196002.22EPA 4010923
7EH36CX-0*+TDR+ furnace: A98USMV090C20AHRI reference: 21473006518.008.50196002.22EPA 4010924
7EH36CX-0*+TDR+ furnace: A98USMV110C20AHRI reference: 21473006618.008.50196002.22EPA 4010925
E*1P36C+TDR+TXV+ furnace: A98USMV090C12AHRI reference: 21253903618.008.50196002.20EPA 4010927
E*1P36C+TDR+TXV+ furnace: A98USMV090C16AHRI reference: 21253903818.008.50196002.22EPA 4010928
E*1P36C+TDR+TXV+ furnace: A98USMV090C20AHRI reference: 21253913118.008.50196002.22EPA 4010931
E*1P36C+TDR+TXV+ furnace: A98USMV110C20AHRI reference: 21253913318.008.50196002.22EPA 4010932
EA(C,U)1P30B+TDR+TXV+ furnace: A97UH2E070B12AHRI reference: 21392770918.008.10151002.06EPA 4010944
EAC4X30B+TDR+ furnace: A97UH2E070B12AHRI reference: 21392771318.008.10151002.06EPA 4010948
EAH1P30B+TDR+TXV+ furnace: A97UH2E045B12AHRI reference: 21392771418.008.50152002.11EPA 4010949
EAH1P48B+TDR+TXV+ furnace: A97UH2E045B12AHRI reference: 21392857118.008.50183002.10EPA 4010966
EAH1P48C+TDR+TXV+ furnace: A97UH2E090C16AHRI reference: 21392857318.008.10182002.08EPA 4010968
EA(C;U)1P24B+TDR+TXV+ furnace: A96UH2E045B12AHRI reference: 21074008217.507.80156001.94EPA 2447427
EA(C;U)1P24B+TDR+TXV+ furnace: EFV12BCAAHRI reference: 21074011217.507.80153001.94EPA 2447431

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 →