Lennox / AIR-SOURCE HEAT PUMP

EL17XP1-036-230A**

ELITE EL17XP1 SERIES · ELITE EL17XP1 Series · Elite EL17XP1 Series · source records, page 5

603 published source records · source checked Sep 21, 2026

SEER2 range15.2–16.8BTU/Wh
HSPF2 range7.8–8.7BTU/Wh
Cooling capacity34,800–36,000BTU/h

Each efficiency range summarizes published EPA records for EL17XP1-036-230A**. 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 603 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/Wh15.2–16.8603 / 603
EER2 · BTU/Wh12.2–13.5603 / 603
HSPF2 · BTU/Wh7.8–8.7603 / 603
Cooling capacity · BTU/h34,800–36,000603 / 603
Heating capacity at 47°F / 8.3°C · BTU/h32,400–36,000603 / 603
Heating capacity at 17°F / −8.3°C · BTU/h21,400–24,000603 / 603
Heating capacity at 5°F / −15°C · BTU/h16,800–19,300603 / 603
COP at 5°F / −15°C2.06–2.36603 / 603
Equipment / loop typeHP - Split System603 / 603
Refrigerant / source-reported GWPR-410A (GWP:2088)603 / 603
Compressor stagingSingle stage603 / 603
Connected capabilityNo603 / 603

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
CHX35-42C-**-*+TDR+ furnace: SLP99UH090XV48C*AHRI reference: 21100180516.408.00180002.20EPA 2468825
CHX35-42C-**-*+TDR+ furnace: EL297UH090XV48C*AHRI reference: 21319468516.408.00180002.20EPA 2633337
CHX35-42C-**-*+TDR+ furnace: EL297UH090XE48C*AHRI reference: 21363024516.408.00179002.22EPA 2836296
CRX35-48C-**-*+TDR+ furnace: SL280DF110V60C*AHRI reference: 21325780616.408.70191002.34EPA 2839547
CHX35-42C-**-*+TDR+ furnace: EL297UH110XE60C*AHRI reference: 21343421916.408.00178002.20EPA 2842231
CK40DT-48C-0*+TDR+ furnace: SL280DF110V60C*AHRI reference: 21462260016.408.70191002.34EPA 3473979
CK40CT-36B-0*+TDR+ furnace: EL280UH090E36B*AHRI reference: 21462262616.407.80170002.14EPA 3474028
CK40CT-36B-0*+TDR+ furnace: EL280UH090E48B*AHRI reference: 21462262716.407.80170002.14EPA 3474033
CK40CT-36B-0*+TDR+ furnace: EL280UH090XE48B*AHRI reference: 21462262816.407.80170002.14EPA 3474034
CK40CT-36B-0*+TDR+ furnace: ML180UH070V48B*AHRI reference: 21462263516.408.00172002.18EPA 3474420
CK40CT-36B-0*+TDR+ furnace: SL280UH080NV48B*AHRI reference: 21462264616.408.00170002.16EPA 3474445
CK40CT-36B-0*+TDR+ furnace: SL280UH090V36B*AHRI reference: 21462264716.407.80172002.18EPA 3474451
CK40CT-50/60C-0*+TDR+ furnace: EL280UH110E48C*AHRI reference: 21462265816.407.80170002.12EPA 3474485
CK40CT-50/60C-0*+TDR+ furnace: EL280UH110E60C*AHRI reference: 21462265916.407.80171002.16EPA 3474486
CK40CT-50/60C-0*+TDR+ furnace: EL280UH110XE60C*AHRI reference: 21462266016.407.80171002.16EPA 3474487
CK40CT-50/60C-0*+TDR+ furnace: ML180UH090E60C*AHRI reference: 21462266816.407.80170002.12EPA 3474499
CK40CT-50/60C-0*+TDR+ furnace: ML180UH110V60C*AHRI reference: 21462267016.408.00172002.14EPA 3474501
CK40CT-50/60C-0*+TDR+ furnace: SL280UH080NV60C*AHRI reference: 21462268116.408.00172002.14EPA 3474764
CK40HT-42B-0*+TDR+ furnace: ML180UH090E48B*AHRI reference: 21462242616.408.10183002.28EPA 3475961
CK40HT-42B-0*+TDR+ furnace: SL280UH080NV48B*AHRI reference: 21462243616.408.10184002.28EPA 3476407

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 →