Lennox / AIR-SOURCE HEAT PUMP

EL17XP1-018-230A**

EL17XP1 SERIES · ELITE EL17XP1 SERIES · ELITE EL17XP1 Series

480 published source records · source checked Sep 21, 2026

SEER2 range15.2–16.8BTU/Wh
HSPF2 range7.8–8.5BTU/Wh
Cooling capacity17,800–18,000BTU/h

Each efficiency range summarizes published EPA records for EL17XP1-018-230A**. 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 480 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/Wh15.2–16.8480 / 480
EER2 · BTU/Wh12.2–14480 / 480
HSPF2 · BTU/Wh7.8–8.5480 / 480
Cooling capacity · BTU/h17,800–18,000480 / 480
Heating capacity at 47°F / 8.3°C · BTU/h16,000–18,000480 / 480
Heating capacity at 17°F / −8.3°C · BTU/h10,200–12,100480 / 480
Heating capacity at 5°F / −15°C · BTU/h7,500–9,700480 / 480
COP at 5°F / −15°C1.9–2.16480 / 480
Equipment / loop typeHP - Split System480 / 480
Refrigerant / source-reported GWPR-410A (GWP:2088)480 / 480
Compressor stagingSingle stage480 / 480
Connected capabilityNo480 / 480

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
CHX35-30B-**-*+TDR+ furnace: SL297UH060NV36B*AHRI reference: 21028897816.808.1078002.02EPA 2455068
C35-30A+TDR+TXV+ furnace: EL280UH070XE36A*AHRI reference: 21028877516.808.0076001.98EPA 2455237
C35-30A+TDR+TXV+ furnace: ML180UH045V36A*AHRI reference: 21028877816.807.8075002.00EPA 2455240
CX35-30B+TDR+ furnace: ML180UH070V48B*AHRI reference: 21029060716.808.1080002.00EPA 2455255
CHX35-24B-**-*+TDR+ furnace: SL280UH090V36B*AHRI reference: 21028894216.808.1084002.08EPA 2455309
CHX35-24A-**-*+TDR+ furnace: SL280UH060NV36A*AHRI reference: 21028891116.808.1082002.06EPA 2455330
C35-30B+TDR+TXV+ furnace: SL297UH040NV36B*AHRI reference: 21028881416.808.0078002.00EPA 2455355
CX35-30A+TDR+ furnace: SL280UH060NV36A*AHRI reference: 21029056316.808.0079002.02EPA 2455471
CX35-30A+TDR+ furnace: ML180UH030V36A*AHRI reference: 21029054716.807.8075002.00EPA 2459814
C35-30A+TDR+TXV+ furnace: SL280UH060NV36A*AHRI reference: 21028878216.808.0079002.02EPA 2459816
CHX35-30B-**-*+TDR+ furnace: ML180UH070V36B*AHRI reference: 21028896116.808.0077002.04EPA 2459974
C35-30B+TDR+TXV+ furnace: SL297UH060NV36B*AHRI reference: 21028881516.808.0078002.00EPA 2460023
CX35-30B+TDR+ furnace: SL280UH080NV48B*AHRI reference: 21029063316.808.1078001.98EPA 2460029
C35-30B+TDR+TXV+ furnace: ML180UH070V36B*AHRI reference: 21028879816.807.8075002.02EPA 2460037
CHX35-30B-**-*+TDR+ furnace: ML193UH045XE36B*AHRI reference: 21028896616.808.0079002.02EPA 2460297
CX35-30A+TDR+ furnace: ML180UH045E36A*AHRI reference: 21029055016.807.8077002.00EPA 2460299
CHX35-30B-**-*+TDR+ furnace: ML180UH070E36B*AHRI reference: 21028896016.808.0077002.04EPA 2460301
CHX35-30B-**-*+TDR+ furnace: EL280UH090E36B*AHRI reference: 21028895316.808.0076002.00EPA 2460307
CX35-30A+TDR+ furnace: EL280UH070E36A*AHRI reference: 21029054216.808.0076001.98EPA 2460819
CHX35-30B-**-*+TDR+ furnace: SLP99UH070XV36B*AHRI reference: 21028897916.808.0078002.00EPA 2461067

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 →