Lennox / LIGHT COMMERCIAL HVAC

ML14KP1-042-463A**

MERIT ML14KP1 Series

81 published source records · source checked Sep 21, 2026

Source records81Individual ratings shown below
Equipment classLight commercial HVAC

Commercial records can use SEER, SEER2, EER, EER2 or IEER. These metrics are labeled separately and are not converted or treated as interchangeable.

Model patterns and component strings are preserved exactly. How to read model patterns and combinations →

Reported metrics & equipment details

Ranges include the 81 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/Wh15.2–15.581 / 81
EER2 · BTU/Wh12.6–13.281 / 81
HSPF2 · BTU/Wh7.8–8.281 / 81
Cooling capacity · kBTU/h081 / 81
Heating capacity at 17°F / −8.3°C · kBTU/h24.6–25.881 / 81
Commercial equipment classVery Small HP81 / 81
System constructionSplit81 / 81
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)81 / 81
RefrigerantR-454B81 / 81

Matched systems

Each row retains its own equipment and test conditions. Open the record for all specifications.

Indoor unit / required furnaceSEER2BTU/WhRecord & comparison
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517420
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517421
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517422
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517423
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517424
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517426
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517427
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517430
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517431
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517432
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517433
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517434
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517435
CK40[C,U]T-49C-**+TDRVery Small HP15.5EPA 4517436
CK40[C,U]T-48C-**+TDRVery Small HP15.5EPA 4517440
CK40[C,U]T-48C-**+TDRVery Small HP15.5EPA 4517441
CK40[C,U]T-48C-**+TDRVery Small HP15.5EPA 4517442
CK40[C,U]T-48C-**+TDRVery Small HP15.5EPA 4517443
CK40[C,U]T-48C-**+TDRVery Small HP15.5EPA 4517446
CK40[C,U]T-48C-**+TDRVery Small HP15.5EPA 4517448

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 →