WeatherKing / AIR-SOURCE HEAT PUMP

WP15AY42AJ2N

VERSUS

127 published source records · source checked Sep 21, 2026

SEER2 range15.2–16BTU/Wh
HSPF2 range7.8–8.1BTU/Wh
Cooling capacity40,000BTU/h

Each efficiency range summarizes published EPA records for WP15AY42AJ2N. 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 127 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/Wh15.2–16127 / 127
EER2 · BTU/Wh11.7127 / 127
HSPF2 · BTU/Wh7.8–8.1127 / 127
Cooling capacity · BTU/h40,000127 / 127
Heating capacity at 47°F / 8.3°C · BTU/h40,000127 / 127
Heating capacity at 17°F / −8.3°C · BTU/h25,200–40,000127 / 127
Heating capacity at 5°F / −15°C · BTU/h18,700–21,000126 / 127
COP at 5°F / −15°C2–2.2126 / 127
Equipment / loop typeHP - Split System127 / 127
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)127 / 127
Compressor stagingTwo-stage127 / 127
Connected capabilityNo127 / 127

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
TCFY4824STANM+ furnace: W802W1255A24UHCold climate designationAHRI reference: 21654520516.008.10188002.00EPA 3847624
TCFY4821STANM+ furnace: W801W0704A17UHCold climate designationAHRI reference: 21654360516.008.10193002.00EPA 3847858
TCFY4824STANM+ furnace: W801W1005A21UHUCold climate designationAHRI reference: 21654388616.008.10188002.00EPA 3847957
TCFY4821STANM+ furnace: W801W1005A21UHUCold climate designationAHRI reference: 21654352216.008.10188002.00EPA 3848277
TCFY4824STANM+ furnace: W972W1155A24UPSAHRI reference: 21872831716.008.10208002.20EPA 4704530
RCFY4824STANM+ furnace: W972W1155A24UPSAHRI reference: 21872831616.008.10208002.20EPA 4704531
TCFY4824STANM+ furnace: W972W1005A21UPSAHRI reference: 21872831516.008.10210002.20EPA 4704532
TCFY4821STANM+ furnace: W972W1005A21UPSAHRI reference: 21872831416.008.10210002.20EPA 4704533
RCFY4824STANM+ furnace: W972W1005A21UPSAHRI reference: 21872831316.008.10210002.20EPA 4704534
RCFY4821STANM+ furnace: W972W1005A21UPSAHRI reference: 21872831216.008.10210002.20EPA 4704535
TCFY4824STANM+ furnace: W972W0855A21UPSAHRI reference: 21872831116.008.10210002.20EPA 4704536
TCFY4821STANM+ furnace: W972W0855A21UPSAHRI reference: 21872831016.008.10210002.20EPA 4704537
RCFY4824STANM+ furnace: W972W0855A21UPSAHRI reference: 21872830916.008.10210002.20EPA 4704538
RCFY4821STANM+ furnace: W972W0855A21UPSAHRI reference: 21872830816.008.10210002.20EPA 4704539
TCFY4824STANM+ furnace: W972W0705A21UPSAHRI reference: 21872830716.008.10210002.20EPA 4704540
TCFY4821STANM+ furnace: W972W0705A21UPSAHRI reference: 21872830616.008.10210002.20EPA 4704541
RCFY4824STANM+ furnace: W972W0705A21UPSAHRI reference: 21872830516.008.10210002.20EPA 4704542
RCFY4821STANM+ furnace: W972W0705A21UPSAHRI reference: 21872830416.008.10210002.20EPA 4704543
WH2TY4821STANNAHRI reference: 21548700315.207.80EPA 3629155
TCFY4821STANM+ furnace: W801W0755A21UHCold climate designationAHRI reference: 21565513015.208.10189002.00EPA 3644888

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 →