Ruud / AIR-SOURCE HEAT PUMP

RD18AY36AJVC

ULTRA SERIES · source records, page 4

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: R801V1005A21UHNCold climate designationAHRI reference: 21689151819.008.50276002.00EPA 3994945
RCFY3617STANM+ furnace: U98MV0703A17UPSCold climate designationAHRI reference: 21689152419.008.50278001.90EPA 3994951
RCFY3617STANM+ furnace: R801V0754A17UHCold climate designationAHRI reference: 21689153319.008.50276002.00EPA 3995004
RCFY3621STANM+ furnace: U98MV0703A17UPSCold climate designationAHRI reference: 21689154219.008.50278001.90EPA 3995010
RCFY3621STANM+ furnace: R802V1005A21DZCold climate designationAHRI reference: 21689154119.008.50274002.00EPA 3995011
RCFY3621STANM+ furnace: R921V0855A21M4Cold climate designationAHRI reference: 21689155119.008.50278001.90EPA 3995020
RCFY3621STANM+ furnace: U97MV0855A21DHSCold climate designationAHRI reference: 21689155619.008.50276001.90EPA 3995022
RCFY3617STANM+ furnace: R801V0754A17DZCold climate designationAHRI reference: 21689155919.008.50276001.90EPA 3995025
RCFY3617STANM+ furnace: R801V0503A14DZCold climate designationAHRI reference: 21689157519.008.50278001.90EPA 3995034
RCFY3621STANM+ furnace: U97MV0603A17DHSCold climate designationAHRI reference: 21689157919.008.50278001.90EPA 3995036
RCFY3621STANM+ furnace: R962V0855A21M4Cold climate designationAHRI reference: 21689167519.008.50278001.90EPA 3995111
RCFY3621STANM+ furnace: R802V1004A17UHCold climate designationAHRI reference: 21689168919.008.50276001.90EPA 3995125
RCFY3624MTANM+ furnace: R801V1505A24UHCold climate designationAHRI reference: 21689176019.0010.00278002.10EPA 3995131
RCFY3624MTANM+ furnace: R802V1005A21UHCold climate designationAHRI reference: 21689176919.0010.00278002.10EPA 3995133
RCFY3624MTANM+ furnace: R801V1255A24UHCold climate designationAHRI reference: 21689174719.0010.00278002.10EPA 3995137
RCFY3624MTANM+ furnace: R801V1005A21UHNCold climate designationAHRI reference: 21689175519.0010.00278002.10EPA 3995144
RCFY3624MTANM+ furnace: R801V0755A21DZCold climate designationAHRI reference: 21689175719.0010.00278002.10EPA 3995146
RCFY3624MTANM+ furnace: R951V1155A24M4Cold climate designationAHRI reference: 21689176719.0010.00276002.10EPA 3995155
RCFY3621STANM+ furnace: R801V1005A21UHUCold climate designationAHRI reference: 21689158719.008.50276002.00EPA 3995158
RCFY3617STANM+ furnace: R802V0754A17UHCold climate designationAHRI reference: 21689160319.008.50276002.00EPA 3995166

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 →