Wells / AIR-SOURCE HEAT PUMP

WOS-18QUA/230

WOS Series

8 published source records · source checked Sep 21, 2026

SEER2 range18.5–24BTU/Wh
HSPF2 range9.8–13.5BTU/Wh
Cooling capacity16,000–18,000BTU/h

Each efficiency range summarizes published EPA records for WOS-18QUA/230. 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 8 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/Wh18.5–248 / 8
EER2 · BTU/Wh12.1–13.58 / 8
HSPF2 · BTU/Wh9.8–13.58 / 8
Cooling capacity · BTU/h16,000–18,0008 / 8
Heating capacity at 47°F / 8.3°C · BTU/h17,000–20,0008 / 8
Heating capacity at 17°F / −8.3°C · BTU/h13,200–15,0008 / 8
Heating capacity at 5°F / −15°C · BTU/h12,800–14,2008 / 8
COP at 5°F / −15°C2.05–2.48 / 8
Equipment / loop typeHP - Mini or Multi Split · HP - Split System8 / 8
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)8 / 8
Compressor stagingContinuously variable8 / 8
Connected capabilityNo8 / 8

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
WIHW-18MOC/230Cold climate designationAHRI reference: 21586404224.0011.10130002.35EPA 3712218
WICS-16MOC/230Cold climate designationAHRI reference: 21586406623.8013.50131002.16EPA 3712242
WIFC-18MOC/230Cold climate designationAHRI reference: 21586406722.3010.40128002.05EPA 3712243
WI1C-18MOC/230Cold climate designationAHRI reference: 21586405622.2012.20131002.24EPA 3712232
WI4C-18MOC/230Cold climate designationAHRI reference: 21586405220.7011.40128002.20EPA 3712228
WIDL-18MOC/230Cold climate designationAHRI reference: 21586405920.0010.50140002.20EPA 3712235
WIDH-18MOC/230Cold climate designationAHRI reference: 21586406220.0011.30142002.40EPA 3712238
WIAH-18MOC/230Cold climate designationAHRI reference: 21586402018.509.80130002.30EPA 3715317

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 →