Ruud / AIR-SOURCE HEAT PUMP

RD18AY36AJVC

ULTRA SERIES · source records, page 5

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
RCFY3621STANM+ furnace: R802V0754A17DZCold climate designationAHRI reference: 21689160519.008.50276001.90EPA 3995167
RCFY3621STANM+ furnace: U97MV1005A21DHSCold climate designationAHRI reference: 21689162419.008.50276001.90EPA 3995180
RCFY3621STANM+ furnace: R801V0755A21UHCold climate designationAHRI reference: 21689164019.008.50276002.00EPA 3995198
RCFY3617STANM+ furnace: R801V1004A17UHCold climate designationAHRI reference: 21689164119.008.50276001.90EPA 3995199
RCFY3624MTANM+ furnace: R801V1005A21UHUCold climate designationAHRI reference: 21689177219.0010.00278002.10EPA 3995264
RCFY3621STANM+ furnace: R801V0754A17DZCold climate designationAHRI reference: 21689164919.008.50276001.90EPA 3995292
RCFY3621STANM+ furnace: R801V1005A21UHSCold climate designationAHRI reference: 21689165019.008.50276002.00EPA 3995293
RCFY3624MTANM+ furnace: R801V0755A21UHCold climate designationAHRI reference: 21689179519.0010.00278002.10EPA 3995298
RCFY3624MTANM+ furnace: R802V1255A24DZCold climate designationAHRI reference: 21689177619.0010.00278002.10EPA 3995302
RCFY3624MTANM+ furnace: R951V0855A21M4Cold climate designationAHRI reference: 21689177919.0010.00280002.10EPA 3995304
RCFY3624MTANM+ furnace: R962V0855A21M4Cold climate designationAHRI reference: 21689178619.0010.00280002.10EPA 3995311
RCFY3624MTANM+ furnace: R802V1005A21DZCold climate designationAHRI reference: 21689180519.0010.00276002.10EPA 3995312
RCFY3624MTANM+ furnace: R921V1155A24M4Cold climate designationAHRI reference: 21689178719.0010.00276002.10EPA 3995313
RH2TY3617STANNCold climate designationAHRI reference: 21698043019.008.50276001.90EPA 3995346
RH2TY3621STANNCold climate designationAHRI reference: 21698043119.008.50274002.00EPA 3995347
RCFY3621STANM+ furnace: R972V1005A21UPSAHRI reference: 21872955819.008.50252002.10EPA 4704716
RCFY3621STANM+ furnace: R972V0855A21UPSAHRI reference: 21872955619.008.50252002.10EPA 4704718
RCFY3621STANM+ furnace: R972V0705A21UPSAHRI reference: 21872955419.008.50252002.10EPA 4704720
RCFY3621STANM+ furnace: R972V0703A17UPSAHRI reference: 21872955219.008.50254002.10EPA 4704722
RCFY3617STANM+ furnace: R972V0703A17UPSAHRI reference: 21872955019.008.50252002.10EPA 4704724

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 →