Ruud / AIR-SOURCE HEAT PUMP

RD18AY48AJVC

ULTRA SERIES · source records, page 3

112 published source records · source checked Sep 21, 2026

SEER2 range16–19BTU/Wh
HSPF2 range8.1–10BTU/Wh
Cooling capacity40,500–43,500BTU/h

Each efficiency range summarizes published EPA records for RD18AY48AJVC. 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 112 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/Wh16–19112 / 112
EER2 · BTU/Wh10–12112 / 112
HSPF2 · BTU/Wh8.1–10112 / 112
Cooling capacity · BTU/h40,500–43,500112 / 112
Heating capacity at 47°F / 8.3°C · BTU/h40,500–43,000112 / 112
Heating capacity at 17°F / −8.3°C · BTU/h35,600–40,500112 / 112
Heating capacity at 5°F / −15°C · BTU/h30,800–38,000112 / 112
COP at 5°F / −15°C2–2.2112 / 112
Equipment / loop typeHP - Split System112 / 112
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)112 / 112
Compressor stagingContinuously variable112 / 112
Connected capabilityYes112 / 112

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
RCFY4821STANM+ furnace: R801V0755A21DZCold climate designationAHRI reference: 21682014918.0010.00376002.10EPA 4028180
RCFY4824STANM+ furnace: R921V1155A24M4Cold climate designationAHRI reference: 21681965918.008.10376002.10EPA 4028209
RCFY4824STANM+ furnace: R962V1155A24M4Cold climate designationAHRI reference: 21682006118.0010.00376002.10EPA 4028249
RCFY4824STANM+ furnace: R951V1155A24M4Cold climate designationAHRI reference: 21682012318.0010.00376002.10EPA 4028258
RCFY4821STANM+ furnace: R801V1005A21UHUCold climate designationAHRI reference: 21681969418.0010.00376002.10EPA 4028262
RCFY4824STANM+ furnace: R801V1505A24UHCold climate designationAHRI reference: 21681969618.0010.00374002.10EPA 4028263
RCFY4821STANM+ furnace: R801V1005A21UHSCold climate designationAHRI reference: 21681970018.0010.00376002.10EPA 4028264
RCFY4824STANM+ furnace: R801V1005A21UHSCold climate designationAHRI reference: 21681972618.0010.00376002.10EPA 4028268
RCFY4824STANM+ furnace: R802V1255A24DZCold climate designationAHRI reference: 21681978718.0010.00374002.10EPA 4028272
RCFY4821STANM+ furnace: R801V1005A21UHNCold climate designationAHRI reference: 21681979418.0010.00376002.10EPA 4028273
RCFY4821STANM+ furnace: R801V0755A21UHCold climate designationAHRI reference: 21681980618.0010.00376002.10EPA 4028276
RCFY4821STANM+ furnace: R802V0755A21UHCold climate designationAHRI reference: 21681982918.0010.00376002.10EPA 4028343
RCFY4824STANM+ furnace: R801V0755A21DZCold climate designationAHRI reference: 21681990818.0010.00376002.10EPA 4028349
RCFY4824STANM+ furnace: R802V0755A21UHCold climate designationAHRI reference: 21681998318.0010.00376002.10EPA 4028356
RCFY4824STANM+ furnace: R801V1255A24UHCold climate designationAHRI reference: 21681987218.008.10374002.10EPA 4028509
RCFY4824STANM+ furnace: R801V1005A21UHNCold climate designationAHRI reference: 21681988218.008.10376002.10EPA 4028511
RCFY4821STANM+ furnace: R802V0755A21DZCold climate designationAHRI reference: 21681996318.008.10376002.10EPA 4028515
RCFY4824MTANM+ furnace: R972V1155A24UPSAHRI reference: 21872959218.008.50308002.20EPA 4704694
RCFY4824MTANM+ furnace: R802V0755A21UHCold climate designationAHRI reference: 21689144517.008.10332002.00EPA 4009966
RCFY4824MTANM+ furnace: R801V0755A21UHCold climate designationAHRI reference: 21689145717.008.10332002.00EPA 4009980

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 →