Ruud / AIR-SOURCE HEAT PUMP

RD18AY36AJVC

ULTRA SERIES

188 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 188 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/Wh15.2–20188 / 188
EER2 · BTU/Wh11.7–13188 / 188
HSPF2 · BTU/Wh8.1–10188 / 188
Cooling capacity · BTU/h31,000–32,800188 / 188
Heating capacity at 47°F / 8.3°C · BTU/h31,000–36,000188 / 188
Heating capacity at 17°F / −8.3°C · BTU/h28,000–31,000188 / 188
Heating capacity at 5°F / −15°C · BTU/h23,600–28,200188 / 188
COP at 5°F / −15°C1.9–2.2188 / 188
Equipment / loop typeHP - Split System188 / 188
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)188 / 188
Compressor stagingContinuously variable188 / 188
Connected capabilityYes188 / 188

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
RH2VY3621STACNCold climate designationAHRI reference: 21689186520.008.50274002.00EPA 3994673
RH2VY3621MTACNCold climate designationAHRI reference: 21661316319.0010.00278002.10EPA 3992381
RCFY3621STANM+ furnace: R801V0754A17UHCold climate designationAHRI reference: 21689169719.008.50276001.90EPA 3994470
RCFY3617STANM+ furnace: R802V0754A17DZCold climate designationAHRI reference: 21689172719.008.50276001.90EPA 3994474
RCFY3617STANM+ furnace: R802V1004A17UHCold climate designationAHRI reference: 21689171919.008.50276001.90EPA 3994490
RCFY3621STANM+ furnace: R801V1004A17UHCold climate designationAHRI reference: 21689172119.008.50276001.90EPA 3994493
RCFY3624MTANM+ furnace: R802V0755A21UHCold climate designationAHRI reference: 21689175319.0010.00278002.10EPA 3994500
RCFY3621STANM+ furnace: R951V0705A21UHUCold climate designationAHRI reference: 21689172819.008.50276001.90EPA 3994501
RCFY3624MTANM+ furnace: R801V1005A21UHSCold climate designationAHRI reference: 21689178919.0010.00278002.10EPA 3994505
RCFY3624MTANM+ furnace: U97MV1005A21DHSCold climate designationAHRI reference: 21689179119.0010.00278002.10EPA 3994508
RCFY3624MTANM+ furnace: U97MV1155A24DHSCold climate designationAHRI reference: 21689179319.0010.00278002.10EPA 3994510
RCFY3624MTANM+ furnace: U97MV0855A21DHSCold climate designationAHRI reference: 21689179919.0010.00278002.10EPA 3994516
RCFY3624MTANM+ furnace: R951V0705A21UHUCold climate designationAHRI reference: 21689180119.0010.00278002.10EPA 3994518
RCFY3624MTANM+ furnace: U98MV1005A21UPSCold climate designationAHRI reference: 21689181019.0010.00280002.10EPA 3994523
RCFY3624MTANM+ furnace: R802V0755A21DZCold climate designationAHRI reference: 21689181119.0010.00278002.10EPA 3994526
RCFY3624MTANM+ furnace: R801V1005A21DZCold climate designationAHRI reference: 21689181619.0010.00276002.10EPA 3994529
RCFY3624MTANM+ furnace: U98MV1155A24UPSCold climate designationAHRI reference: 21689181819.0010.00278002.10EPA 3994531
RCFY3624MTANM+ furnace: U98MV0855A21UPSCold climate designationAHRI reference: 21689182319.0010.00278002.10EPA 3994536
RCFY3624MTANM+ furnace: R801V1255A24DZCold climate designationAHRI reference: 21689182619.0010.00278002.10EPA 3994539
RCFY3624MTANM+ furnace: R802V1505A24UHCold climate designationAHRI reference: 21689182919.0010.00278002.10EPA 3994541

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 →