Friedrich / AIR-SOURCE HEAT PUMP

RD18AY36AJVC

K-SERIES · K-Series

376 published source records · source checked Sep 21, 2026

SEER2 range15.2–20BTU/Wh
HSPF2 range8.1–10BTU/Wh
Cooling capacity31,000–32,800BTU/h

Each efficiency range summarizes published EPA records for RD18AY36AJVC. 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 376 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/Wh15.2–20376 / 376
EER2 · BTU/Wh11.7–13376 / 376
HSPF2 · BTU/Wh8.1–10376 / 376
Cooling capacity · BTU/h31,000–32,800376 / 376
Heating capacity at 47°F / 8.3°C · BTU/h31,000–36,000376 / 376
Heating capacity at 17°F / −8.3°C · BTU/h28,000–31,000376 / 376
Heating capacity at 5°F / −15°C · BTU/h23,600–28,200376 / 376
COP at 5°F / −15°C1.9–2.2376 / 376
Equipment / loop typeHP - Split System376 / 376
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)376 / 376
Compressor stagingContinuously variable376 / 376
Connected capabilityYes376 / 376

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
FRH2VY3621STACNCold climate designationAHRI reference: 21716600620.008.50274002.00EPA 4010308
RH2VY3621MTACNCold climate designationAHRI reference: 21661317019.0010.00278002.10EPA 3992388
RCFY3621MTANM+ furnace: FR802V1005A21DZCold climate designationAHRI reference: 21689126319.0010.00276002.10EPA 3994464
RCFY3621STANM+ furnace: FR801V0755A21DZCold climate designationAHRI reference: 21689170319.008.50276002.00EPA 3994475
RCFY3621STANM+ furnace: FR951V1005A21UHCold climate designationAHRI reference: 21689171519.008.50276001.90EPA 3994486
RCFY3624MTANM+ furnace: FR951V0705A21UHUCold climate designationAHRI reference: 21689175019.0010.00278002.10EPA 3994499
RCFY3624MTANM+ furnace: FR802V0755A21UHCold climate designationAHRI reference: 21689179419.0010.00278002.10EPA 3994511
RCFY3624MTANM+ furnace: FR951V0855A21M4Cold climate designationAHRI reference: 21689179819.0010.00280002.10EPA 3994515
RCFY3624MTANM+ furnace: FR802V1505A24UHCold climate designationAHRI reference: 21689180019.0010.00278002.10EPA 3994517
RCFY3624MTANM+ furnace: FR98MV1005A21UPCold climate designationAHRI reference: 21689180919.0010.00280002.10EPA 3994522
RCFY3624MTANM+ furnace: FR801V1005A21UHUCold climate designationAHRI reference: 21689181319.0010.00278002.10EPA 3994524
RCFY3624MTANM+ furnace: FR801V1005A21DZCold climate designationAHRI reference: 21689181519.0010.00276002.10EPA 3994528
RCFY3624MTANM+ furnace: FR801V1005A21UHNCold climate designationAHRI reference: 21689181919.0010.00278002.10EPA 3994532
RCFY3624MTANM+ furnace: FR921V1155A24M4Cold climate designationAHRI reference: 21689182219.0010.00276002.10EPA 3994534
RCFY3624MTANM+ furnace: FR801V1255A24DZCold climate designationAHRI reference: 21689182019.0010.00278002.10EPA 3994535
RCFY3624MTANM+ furnace: FR802V1255A24UHCold climate designationAHRI reference: 21689182819.0010.00278002.10EPA 3994548
RCFY3624MTANM+ furnace: FR802V1005A21UHCold climate designationAHRI reference: 21689183619.0010.00278002.10EPA 3994549
RCFY3621MTANM+ furnace: FR801V1005A21UHNCold climate designationAHRI reference: 21689124919.0010.00278002.10EPA 3994568
RCFY3621MTANM+ furnace: FR802V1004A17UHCold climate designationAHRI reference: 21689125019.0010.00278002.10EPA 3994569
RCFY3621MTANM+ furnace: FR98MV0855A21UPCold climate designationAHRI reference: 21689125119.0010.00278002.10EPA 3994570

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 →