Ruud / AIR-SOURCE HEAT PUMP

RD18AY36AJVC

ULTRA SERIES · source records, page 7

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
RCFY3621MTANM+ furnace: R951V1005A21M4Cold climate designationAHRI reference: 21689128718.0010.00280002.10EPA 3994604
RCFY3621MTANM+ furnace: R801V0704A17UHCold climate designationAHRI reference: 21689129318.0010.00280002.10EPA 3994610
RCFY3621MTANM+ furnace: R801V0504A17UHSCold climate designationAHRI reference: 21689129818.0010.00280002.10EPA 3994614
RCFY3621MTANM+ furnace: R801V0504A17UHNCold climate designationAHRI reference: 21689130618.0010.00280002.10EPA 3994621
RCFY3621MTANM+ furnace: R951V0403A17M4Cold climate designationAHRI reference: 21689130718.0010.00280002.10EPA 3994622
RCFY3621MTANM+ furnace: R951V0603A17M4Cold climate designationAHRI reference: 21689132218.0010.00280002.10EPA 3994637
RCFY3621MTANM+ furnace: R962V0403A17M4Cold climate designationAHRI reference: 21689132318.0010.00280002.10EPA 3994638
RCFY3617STANM+ furnace: R801V0504A17UHNCold climate designationAHRI reference: 21689185218.008.50278001.90EPA 3994660
RCFY3621STANM+ furnace: R951V0703A17M4Cold climate designationAHRI reference: 21689185518.008.50278001.90EPA 3994663
RCFY3621MTANM+ furnace: R962V0703A17M4Cold climate designationAHRI reference: 21689133018.0010.00280002.10EPA 3994688
RCFY3621MTANM+ furnace: R962V1005A21M4Cold climate designationAHRI reference: 21689133418.0010.00280002.10EPA 3994691
RCFY3621MTANM+ furnace: R921V0705A21M4Cold climate designationAHRI reference: 21689133818.0010.00280002.10EPA 3994696
RCFY3621MTANM+ furnace: R921V1005A21M4Cold climate designationAHRI reference: 21689135018.0010.00280002.10EPA 3994707
RCFY3621MTANM+ furnace: R951V0705A21M4Cold climate designationAHRI reference: 21689135318.0010.00280002.10EPA 3994711
RCFY3621MTANM+ furnace: R962V0603A17M4Cold climate designationAHRI reference: 21689135818.0010.00280002.10EPA 3994715
RCFY3621MTANM+ furnace: R921V0403A17M4Cold climate designationAHRI reference: 21689135618.0010.00280002.10EPA 3994716
RCFY3621MTANM+ furnace: R951V0603A17UHCold climate designationAHRI reference: 21689137018.0010.00282002.10EPA 3994728
RCFY3621MTANM+ furnace: R951V0703A17M4Cold climate designationAHRI reference: 21689139018.0010.00280002.10EPA 3994791
RCFY3617STANM+ furnace: R801V0503A14UHCold climate designationAHRI reference: 21689146218.008.50278001.90EPA 3994845
RCFY3621STANM+ furnace: R951V0603A17M4Cold climate designationAHRI reference: 21689146718.008.50278001.90EPA 3994848

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 →