Ruud / AIR-SOURCE HEAT PUMP

RD18AY48AJVC

ULTRA SERIES · source records, page 6

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
RCFY4824MTANM+ furnace: R962V1005A21M4Cold climate designationAHRI reference: 21681941217.009.50334002.00EPA 4028326
RCFY4824MTANM+ furnace: R951V0855A21M4Cold climate designationAHRI reference: 21681944117.009.50336002.00EPA 4028332
RCFY4824MTANM+ furnace: R951V0705A21M4Cold climate designationAHRI reference: 21681945817.009.50334002.00EPA 4028335
RCFY4824MTANM+ furnace: U98MV0855A21UPSCold climate designationAHRI reference: 21681947717.009.50334002.00EPA 4028339
RCFY4821STANM+ furnace: R801V1004A17UHCold climate designationAHRI reference: 21681989317.0010.00378002.10EPA 4028348
RCFY4821STANM+ furnace: R801V0754A17DZCold climate designationAHRI reference: 21681995217.0010.00380002.10EPA 4028353
RCFY4824MTANM+ furnace: U98MV1155A24UPSCold climate designationAHRI reference: 21681938117.009.50334002.00EPA 4028414
RCFY4821STANM+ furnace: R801V0504A17UHUCold climate designationAHRI reference: 21681998516.008.10380002.00EPA 4028123
RCFY4821STANM+ furnace: R801V0704A17UHCold climate designationAHRI reference: 21681999316.008.10380002.00EPA 4028125
RCFY4821STANM+ furnace: R802V0504A17UHCold climate designationAHRI reference: 21682003116.008.10380002.00EPA 4028127
RCFY4821STANM+ furnace: R801V0504A17UHNCold climate designationAHRI reference: 21681967716.008.10380002.00EPA 4028467
RCFY4821STANM+ furnace: R801V0504A17UHSCold climate designationAHRI reference: 21681968716.008.10380002.00EPA 4028468

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 →