Ruud / AIR-SOURCE HEAT PUMP

RD18AY36AJVC

ULTRA SERIES · source records, page 6

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: R972V0855A21UPSAHRI reference: 21872950619.0010.00236002.20EPA 4704768
RCFY3624MTANM+ furnace: R972V0705A21UPSAHRI reference: 21872950419.0010.00236002.20EPA 4704770
RCFY3621MTANM+ furnace: R972V0705A21UPSAHRI reference: 21872950219.0010.00236002.20EPA 4704772
RCFY3617STANM+ furnace: R801V0704A17UHCold climate designationAHRI reference: 21689169518.008.50278001.90EPA 3994468
RCFY3617STANM+ furnace: R962V0703A17M4Cold climate designationAHRI reference: 21689169918.008.50278001.90EPA 3994472
RCFY3621STANM+ furnace: R951V0603A17UHCold climate designationAHRI reference: 21689170218.008.50280001.90EPA 3994476
RCFY3617STANM+ furnace: R802V0503A14DZCold climate designationAHRI reference: 21689170418.008.50278001.90EPA 3994477
RCFY3621STANM+ furnace: R962V0703A17M4Cold climate designationAHRI reference: 21689170518.008.50278001.90EPA 3994478
RCFY3621STANM+ furnace: R801V0704A17UHCold climate designationAHRI reference: 21689170718.008.50278001.90EPA 3994480
RCFY3617STANM+ furnace: R921V0703A17M4Cold climate designationAHRI reference: 21689170918.008.50278001.90EPA 3994482
RCFY3617STANM+ furnace: R951V0703A17M4Cold climate designationAHRI reference: 21689172918.008.50278001.90EPA 3994502
RCFY3624MTANM+ furnace: R962V1005A21M4Cold climate designationAHRI reference: 21689180418.0010.00280002.10EPA 3994521
RCFY3624MTANM+ furnace: R921V0705A21M4Cold climate designationAHRI reference: 21689183718.0010.00280002.10EPA 3994550
RCFY3621MTANM+ furnace: R921V0603A17M4Cold climate designationAHRI reference: 21689128218.0010.00280002.10EPA 3994557
RCFY3621MTANM+ furnace: R962V0705A21M4Cold climate designationAHRI reference: 21689125318.0010.00280002.10EPA 3994572
RCFY3621MTANM+ furnace: R801V0504A17UHUCold climate designationAHRI reference: 21689125618.0010.00282002.10EPA 3994575
RCFY3621MTANM+ furnace: R802V0504A17UHCold climate designationAHRI reference: 21689125718.0010.00280002.10EPA 3994576
RCFY3621MTANM+ furnace: R951V0403A17UHCold climate designationAHRI reference: 21689127318.0010.00282002.10EPA 3994590
RCFY3621MTANM+ furnace: R921V0703A17M4Cold climate designationAHRI reference: 21689127418.0010.00280002.10EPA 3994592
RCFY3621MTANM+ furnace: U97MV0703A17DHSCold climate designationAHRI reference: 21689128318.0010.00280002.10EPA 3994600

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 →