Lennox / AIR-SOURCE HEAT PUMP

ML14KP1-048-230A**

MERIT ML14KP1 Series

24 published source records · source checked Sep 21, 2026

SEER2 range15.2–15.5BTU/Wh
HSPF2 range7.8–8.2BTU/Wh
Cooling capacity48,000BTU/h

Each efficiency range summarizes published EPA records for ML14KP1-048-230A**. 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 24 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/Wh15.2–15.524 / 24
EER2 · BTU/Wh12.4–1324 / 24
HSPF2 · BTU/Wh7.8–8.224 / 24
Cooling capacity · BTU/h48,00024 / 24
Heating capacity at 47°F / 8.3°C · BTU/h46,000–48,00024 / 24
Heating capacity at 17°F / −8.3°C · BTU/h29,600–30,60024 / 24
Heating capacity at 5°F / −15°C · BTU/h23,400–24,60024 / 24
COP at 5°F / −15°C2.12–2.224 / 24
Equipment / loop typeHP - Split System24 / 24
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)24 / 24
Compressor stagingSingle stage24 / 24
Connected capabilityNo24 / 24

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
CBK48MVT-048-230-**AHRI reference: 21574660715.508.20242002.20EPA 3653280
CBK48MVT-060-230-**AHRI reference: 21574660815.508.20234002.12EPA 3653281
CBK47UHET-048-230-**AHRI reference: 21574660515.208.20246002.20EPA 3653279
CK40[C,U]T-49C-**+TDR+ furnace: EL280UH110E48C*AHRI reference: 21574661215.207.80240002.14EPA 3653282
CK40[C,U]T-49C-**+TDR+ furnace: ML180UH110V60C*AHRI reference: 21574662415.207.80240002.12EPA 3653283
CK40[C,U]T-49C-**+TDR+ furnace: ML193UH110XE48C*AHRI reference: 21574662715.207.80240002.12EPA 3653284
CK40[C,U]T-60C-**+TDR+ furnace: EL196UH090XE48C*AHRI reference: 21574667415.208.00242002.14EPA 3653285
CK40[C,U]T-60C-**+TDR+ furnace: EL280UH110E48C*AHRI reference: 21574667615.208.00238002.14EPA 3653286
CK40[C,U]T-60C-**+TDR+ furnace: EL280UH110E60C*AHRI reference: 21574667715.208.10242002.14EPA 3653287
CK40[C,U]T-60C-**+TDR+ furnace: EL280UH110XE60C*AHRI reference: 21574667815.208.10242002.14EPA 3653288
CK40[C,U]T-60C-**+TDR+ furnace: ML180UH090E60C*AHRI reference: 21574668415.208.00242002.14EPA 3653289
CK40[C,U]T-60C-**+TDR+ furnace: ML180UH110E60C*AHRI reference: 21574668515.208.00240002.12EPA 3653290
CK40[C,U]T-60C-**+TDR+ furnace: ML180UH110V60C*AHRI reference: 21574668615.208.10240002.16EPA 3653291
CK40[C,U]T-60C-**+TDR+ furnace: ML180UH110XE60C*AHRI reference: 21574668715.208.00240002.12EPA 3653292
CK40[C,U]T-60C-**+TDR+ furnace: ML193UH090XE48C*AHRI reference: 21574668815.208.00242002.14EPA 3653293
CK40[C,U]T-60C-**+TDR+ furnace: ML193UH110XE48C*AHRI reference: 21574668915.208.00238002.12EPA 3653294
CK40[C,U]T-60C-**+TDR+ furnace: ML193UH110XE60C*AHRI reference: 21574669015.208.00240002.12EPA 3653295
CK40[C,U]T-60C-**+TDR+ furnace: SL280UH080NV60C*AHRI reference: 21574669515.208.00242002.14EPA 3653296
CK40[C,U]T-60C-**+TDR+ furnace: SL280UH100NV60C*AHRI reference: 21574669815.208.00240002.12EPA 3653297
CK40[C,U]T-60C-**+TDR+ furnace: SL280UH110V60C*AHRI reference: 21574669915.208.00240002.12EPA 3653298

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 →