Lennox / AIR-SOURCE HEAT PUMP

EL17XP1-042-230A**

ELITE EL17XP1 SERIES · ELITE EL17XP1 Series · Elite EL17XP1 Series · MERIT ML17XP1 Series

190 published source records · source checked Sep 21, 2026

SEER2 range15.2–15.6BTU/Wh
HSPF2 range7.8–8.3BTU/Wh
Cooling capacity40,000–42,000BTU/h

Each efficiency range summarizes published EPA records for EL17XP1-042-230A**. 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 190 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/Wh15.2–15.6190 / 190
EER2 · BTU/Wh12.5–13190 / 190
HSPF2 · BTU/Wh7.8–8.3190 / 190
Cooling capacity · BTU/h40,000–42,000190 / 190
Heating capacity at 47°F / 8.3°C · BTU/h37,600–42,000190 / 190
Heating capacity at 17°F / −8.3°C · BTU/h25,000–27,800190 / 190
Heating capacity at 5°F / −15°C · BTU/h10,400–22,000190 / 190
COP at 5°F / −15°C2–2.22190 / 190
Equipment / loop typeHP - Split System190 / 190
Refrigerant / source-reported GWPR-410A (GWP:2088)190 / 190
Compressor stagingSingle stage190 / 190
Connected capabilityNo190 / 190

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
CBA38MV-042-230*+TDRAHRI reference: 21029375315.608.30206002.20EPA 2450351
CBA27UHE-042-230*+TDRAHRI reference: 21029375215.608.30220002.18EPA 2450532
CX35-49C+TDR+ furnace: SL280UH100NV60C*AHRI reference: 21029390615.607.80199002.10EPA 2455271
C35-49C+TDR+TXV+ furnace: SL280UH100NV60C*AHRI reference: 21029374215.607.80199002.10EPA 2459853
CX35-49C+TDR+ furnace: ML180UH110V60C*AHRI reference: 21029389215.607.80199002.10EPA 2460341
C35-49C+TDR+TXV+ furnace: ML180UH110V60C*AHRI reference: 21029372815.607.80199002.10EPA 2460851
CRX35-48C-**-*+TDR+ furnace: ML180DF110E60C*AHRI reference: 21325781315.608.30218002.12EPA 2839551
CK40DT-48C-0*+TDR+ furnace: ML180DF110E60C*AHRI reference: 21462273815.608.30218002.12EPA 3474495
CK40CT-49C-0*+TDR+ furnace: ML180UH110V60C*AHRI reference: 21462276715.607.80199002.10EPA 3475002
CK40CT-49C-0*+TDR+ furnace: SL280UH100NV60C*AHRI reference: 21462278115.607.80199002.10EPA 3475006
CBK47UHET-042-230-0*AHRI reference: 21486122615.608.30220002.18EPA 3553564
C35-48C+TDR+TXV+ furnace: EL280UH110E48C*AHRI reference: 21522365415.607.80196002.10EPA 3554796
C35-48C+TDR+TXV+ furnace: EL280UH110E60C*AHRI reference: 21522365515.607.80196002.12EPA 3554797
C35-48C+TDR+TXV+ furnace: EL280UH110XE60C*AHRI reference: 21522365615.607.80196002.12EPA 3554798
C35-48C+TDR+TXV+ furnace: ML180UH110V60C*AHRI reference: 21522365915.607.80197002.12EPA 3554801
C35-48C+TDR+TXV+ furnace: SL280UH080NV60C*AHRI reference: 21522366615.607.80197002.10EPA 3554808
C35-48C+TDR+TXV+ furnace: SL280UH100NV60C*AHRI reference: 21522366915.607.80197002.12EPA 3554811
CHX35-42B-**-*+TDR+ furnace: EL280UH090E48B*AHRI reference: 21522367415.607.80199002.12EPA 3554816
CHX35-42B-**-*+TDR+ furnace: EL280UH090XE48B*AHRI reference: 21522367515.607.80199002.12EPA 3554817
CX35-48C+TDR+ furnace: EL280UH110E48C*AHRI reference: 21522368915.607.80196002.10EPA 3554831

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 →