York / AIR-SOURCE HEAT PUMP

YH2F42TB21

LX SERIES · source records, page 13

449 published source records · source checked Sep 21, 2026

SEER2 range15.2–16BTU/Wh
HSPF2 range7.8–8.1BTU/Wh
Cooling capacity39,500–42,000BTU/h

Each efficiency range summarizes published EPA records for YH2F42TB21. 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 449 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/Wh15.2–16449 / 449
EER2 · BTU/Wh11.7–12449 / 449
HSPF2 · BTU/Wh7.8–8.1449 / 449
Cooling capacity · BTU/h39,500–42,000449 / 449
Heating capacity at 47°F / 8.3°C · BTU/h37,400–41,000449 / 449
Heating capacity at 17°F / −8.3°C · BTU/h24,200–26,600449 / 449
Heating capacity at 5°F / −15°C · BTU/h18,400–22,600449 / 449
COP at 5°F / −15°C1.98–2.42449 / 449
Equipment / loop typeHP - Split System449 / 449
Refrigerant / source-reported GWPR-410A (GWP:2088)449 / 449
Compressor stagingTwo-stage449 / 449
Connected capabilityNo449 / 449

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
XAFD48FBCN1+ furnace: TMLV100C16MP12AHRI reference: 21034116915.207.80198002.02EPA 2786525
XAFD48FBCN1+ furnace: YPLC100C16MP13AHRI reference: 21034117315.207.80198002.02EPA 2786527
XAFD48FBCN1+ furnace: TPLC080C16MP13AHRI reference: 21034117015.207.80198002.02EPA 2786528
XAFD48FBCN1+ furnace: TPLC100C16MP13AHRI reference: 21034117115.207.80198002.02EPA 2786531
XAFC48FBCN1+ furnace: TM8E120C20MP11AHRI reference: 21033974415.208.10196002.04EPA 2787527
XAFC48FBCN1+ furnace: TMLE120C20MP11AHRI reference: 21033974615.208.10196002.04EPA 2787532
XAFC48FBCN1+ furnace: TM8E080C20MP11AHRI reference: 21033976215.208.10198002.04EPA 2787536
XAFC48FBCN1+ furnace: TMLE080C20MP11AHRI reference: 21033976415.208.10198002.04EPA 2787553
XAHC48FBCN1+ furnace: TPLC080B12MP13AHRI reference: 21034198715.207.80189002.00EPA 2787587
XAHD48FBCN1+ furnace: TPLC080C16MP13AHRI reference: 21034197915.208.10204002.12EPA 2787590
XAHC48FBCN1+ furnace: YPLC080B12MP13AHRI reference: 21034198815.207.80189002.00EPA 2787593
XAHD48FBCN1+ furnace: YPLC080C16MP13AHRI reference: 21034198115.208.10204002.12EPA 2787594
XAHD48FBCN1+ furnace: TMLV100C16MP12AHRI reference: 21034197815.208.10204002.12EPA 2787596
XAHD48FBCN1+ furnace: TPLC100C16MP13AHRI reference: 21034198015.208.10204002.12EPA 2787597
XAHD48FBCN1+ furnace: YPLC100C16MP13AHRI reference: 21034198215.208.10204002.12EPA 2787599
XAFC48FBCN1+ furnace: TM8E100C20MP11AHRI reference: 21033911515.208.10196002.04EPA 2814390
XAFC48FBCN1+ furnace: TMLE100C20MP11AHRI reference: 21033911715.208.10196002.04EPA 2814391
XAHD60GBCN1+JMVT20DC2N1AHRI reference: 21327098015.208.10216002.42EPA 2840119
XAFC60GBCN1+JMVT16CC2N1AHRI reference: 21327099215.208.10208002.32EPA 2840131
XAHD60GBCN1+JMET18DS4N1AHRI reference: 21327099515.208.10220002.40EPA 2840132

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 →