York / AIR-SOURCE HEAT PUMP

YH518E2S11

LX SERIES · source records, page 2

249 published source records · source checked Sep 21, 2026

SEER2 range15.2–16BTU/Wh
HSPF2 range7.8BTU/Wh
Cooling capacity17,000–18,600BTU/h

Each efficiency range summarizes published EPA records for YH518E2S11. 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 249 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/Wh15.2–16249 / 249
EER2 · BTU/Wh12–12.5249 / 249
HSPF2 · BTU/Wh7.8249 / 249
Cooling capacity · BTU/h17,000–18,600249 / 249
Heating capacity at 47°F / 8.3°C · BTU/h16,100–17,000249 / 249
Heating capacity at 17°F / −8.3°C · BTU/h10,700–11,300249 / 249
Heating capacity at 5°F / −15°C · BTU/h8,700–9,100249 / 249
COP at 5°F / −15°C2.26–2.34249 / 249
Equipment / loop typeHP - Split System249 / 249
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)249 / 249
Compressor stagingSingle stage249 / 249
Connected capabilityNo249 / 249

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
CTF24B5ABS1+JME08B2SN1AHRI reference: 21573997515.207.8088002.32EPA 3652636
CTM24B5ABS1+JMET12BS2N1AHRI reference: 21573997615.207.8088002.30EPA 3652637
CTM30B5ACS1+JME08B2SN1AHRI reference: 21573997715.207.8089002.34EPA 3652638
CTM24B5ABS1+JME08B2SN1AHRI reference: 21573997815.207.8088002.30EPA 3652639
CTF30B5ACS1+JME12B2SN1AHRI reference: 21573998015.207.8089002.34EPA 3652640
CTF24B5ABS1+JMC12B2SN1AHRI reference: 21573997915.207.8089002.32EPA 3652641
CTU30B5XCS1+JME12B2SN1+TXVAHRI reference: 21573998115.207.8089002.34EPA 3652642
CTM30B5ACS1+JMET12BS2N1AHRI reference: 21573998215.207.8088002.30EPA 3652643
CTM24B5ABS1+JMET08BS2N1AHRI reference: 21573998315.207.8089002.30EPA 3652644
CTF24B5ABS1+JMET12BS2N1AHRI reference: 21573998415.207.8088002.30EPA 3652645
CTF30B5ACS1+JMET08BS2N1AHRI reference: 21573998515.207.8090002.34EPA 3652646
CTU30B5XCS1+JMET08BS2N1+TXVAHRI reference: 21573998615.207.8090002.34EPA 3652647
CTF30B5ACS1+JME08B2SN1AHRI reference: 21573998715.207.8089002.34EPA 3652648
CTU30B5XCS1+JME08B2SN1+TXVAHRI reference: 21573998815.207.8089002.34EPA 3652649
CTF24B5ABS1+JME12B2SN1AHRI reference: 21573998915.207.8088002.32EPA 3652650
CTM24B5ABS1+JMC12B2SN1AHRI reference: 21573999015.207.8089002.32EPA 3652651
CTM30B5ACS1+ furnace: TM8E080B12MP11AHRI reference: 21582009015.207.8091002.28EPA 3712589
CTM30B5ACS1+ furnace: TMLE080B12MP11AHRI reference: 21582009115.207.8091002.28EPA 3712590
CTM30B5ACS1+ furnace: TP9C080B12MP13AHRI reference: 21582009315.207.8090002.28EPA 3712591
CTM30B5ACS1+ furnace: YP9C080B12MP13AHRI reference: 21582009415.207.8090002.28EPA 3712592

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 →