KARDA / AIR-SOURCE HEAT PUMP

3KARDA12SZO

3KAR series · KARDA

9 published source records · source checked Sep 21, 2026

SEER2 range19.5–24.2BTU/Wh
HSPF2 range9.5–10.7BTU/Wh
Cooling capacity12,000BTU/h

Each efficiency range summarizes published EPA records for 3KARDA12SZO. 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 9 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/Wh19.5–24.29 / 9
EER2 · BTU/Wh11.7–13.59 / 9
HSPF2 · BTU/Wh9.5–10.79 / 9
Cooling capacity · BTU/h12,0009 / 9
Heating capacity at 47°F / 8.3°C · BTU/h12,000–12,5009 / 9
Heating capacity at 17°F / −8.3°C · BTU/h7,500–10,6009 / 9
Heating capacity at 5°F / −15°C · BTU/h10,000–12,1009 / 9
COP at 5°F / −15°C1.8–1.999 / 9
Equipment / loop typeHP - Mini or Multi Split9 / 9
Refrigerant / source-reported GWPR-410A (GWP:2088)9 / 9
Compressor stagingContinuously variable9 / 9
Connected capabilityNo9 / 9

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
3KARDA12CON-2Cold climate designationAHRI reference: 21041011224.2010.70119001.99EPA 2448442
3KARDA12CONCold climate designationAHRI reference: 20779664023.6010.00120001.89EPA 2450039
1KARDA12UVWCold climate designationAHRI reference: 20761405223.609.50100001.80EPA 2450197
2KARDA12UVCSCold climate designationAHRI reference: 21378582623.6010.00120001.89EPA 2856428
3KARDA12UVWCold climate designationAHRI reference: 20743043223.1010.50110001.88EPA 2449885
3KARDA12UVCCold climate designationAHRI reference: 20779663822.3010.20113001.89EPA 2449026
2KARDA12UVCCold climate designationAHRI reference: 21378582722.3010.20113001.89EPA 2856429
3KARDA12UVDCold climate designationAHRI reference: 20779663919.5010.00121001.96EPA 2449024
3KARDA12UVDCold climate designationAHRI reference: 20779663919.5010.00121001.96EPA 3996063

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 →