- Insights
- Explore
Two ways to read the same certified data. Switch any time; your choice is remembered on this device.
Explore certified heat pump models
Filter every outdoor model in this refrigerant group. Each row’s numbers come from one representative AHRI certification (its best COP at 5°F). Sorting by a rating leaves out models without that rating.
New to heat pump ratings? The Simple view explains them in plain words →
ExploreData as of updated · sources
25 models
Sorted by manufacturer and model.
| # · Outdoor model | Size · type | COP@5°F | Cap. 5/47 | HSPF2 | SEER2 | EER2 | Btu/h @5°F | Meets | Combos | AHRI ref. |
|---|---|---|---|---|---|---|---|---|---|---|
| 1AUHW09KR32-OWILLIS · ULTIMAwith ductless indoor unit AUHW09KR32-I | 1 ton9,100 Btu/h · Ducted and non-ducted | 2.11 | 108% | 11.2 | 30.0 | 16.8 | 11,500 | CEE 25CEE 26CEE AdvXcelDOEES CC | 6 | 217007963 |
| 2AUHW12KR32-OWILLIS · ULTIMAwith ductless indoor unit AUHW12KR32-I | 1 ton12,000 Btu/h · Ducted and non-ducted | 2.00 | 100% | 10.0 | 29.5 | 15.2 | 12,200 | CEE 25CEE 26XcelES CC | 6 | 217007964 |
| 3AUHW18KR32-OWILLIS · ULTIMAwith ductless indoor unit AUHW18KR32-I | 1.5 tons18,000 Btu/h · Ducted and non-ducted | 1.80 | 97% | 10.0 | 27.5 | 14.3 | 18,000 | CEE 25CEE 26XcelES CC | 8 | 217007965 |
| 4AUHW24KR32-OWILLIS · ULTIMAwith ductless indoor unit AUHW24KR32-I | 2 tons22,000 Btu/h · Ducted and non-ducted | 1.80 | 100% | 10.0 | 27.0 | 14.0 | 24,000 | CEE 25CEE 26XcelES CC | 4 | 217007966 |
| 5CHW09KAR32-OWILLIS · Charmowith ductless indoor unit CHW09KAR32-I | 1 ton9,100 Btu/h · Non-ducted | 1.86 | 76% | 8.8 | 20.5 | 11.9 | 7,600 | CEE 25CEE 26XcelES CC | 1 | 217905255 |
| 6CHW12KR32-OWILLIS · Charmowith ductless indoor unit CHW12KR32-I | 1 ton12,000 Btu/h · Non-ducted | 1.80 | 76% | 8.5 | 19.0 | 9.8 | 9,100 | XcelES CC | 1 | 217007954 |
| 7CHW18KR32-OWILLIS · Charmowith ductless indoor unit CHW18KR32-I | 1.5 tons18,000 Btu/h · Non-ducted | 1.85 | 71% | 8.5 | 20.0 | 12.0 | 12,100 | CEE 25CEE 26XcelES CC | 1 | 217007955 |
| 8CHW24KR32-OWILLIS · Charmowith ductless indoor unit CHW24KR32-I | 2 tons24,000 Btu/h · Non-ducted | 1.75 | 65% | 8.5 | 19.0 | 11.9 | 15,700 | CEE 25CEE 26ES CC | 1 | 217007956 |
| 9CHW30KR32-OWILLIS · Charmowith ductless indoor unit CHW30KR32-I | 2.5 tons30,000 Btu/h · Non-ducted | 1.80 | 77% | 9.0 | 22.0 | 11.0 | 23,000 | CEE 25CEE 26XcelES CC | 1 | 217905253 |
| 10CHW36KR32-OWILLIS · Charmowith ductless indoor unit CHW36KR32-I | 3 tons33,600 Btu/h · Non-ducted | 1.80 | 72% | 8.5 | 21.0 | 12.0 | 24,600 | CEE 25CEE 26XcelES CC | 1 | 217905254 |
| 11FLEX24KUHR32Willis · FLEXX R32with ducted air handler FLEXAH24KR32 | 2 tons24,000 Btu/h · Ducted | 2.00 | 100% | 10.0 | 18.0 | 12.5 | 25,000 | CEE 25CEE 26XcelES CC | 1 | 216720953 |
| 12FLEX36KUHR32Willis · FLEXX R32with ducted air handler FLEXAH24KR32 | 2 tons24,000 Btu/h · Ducted | 2.00 | 96% | 10.0 | 18.0 | 12.5 | 24,000 | CEE 25CEE 26XcelES CC | 4 | 216720954 |
| 13FLEX48KUHR32Willis · FLEXX R32with ducted air handler FLEXAH48KR32 | 4 tons48,000 Btu/h · Ducted | 2.00 | 100% | 10.0 | 19.0 | 12.0 | 48,000 | CEE 25CEE 26XcelES CC | 1 | 216720956 |
| 14FLEX60KUHR32Willis · FLEXX R32with ducted air handler FLEXAH60KR32 | 4.5 tons53,000 Btu/h · Ducted | 2.10 | 100% | 10.5 | 18.5 | 11.5 | 54,000 | CEE 25CEE 26CEE AdvXcelDOEES CC | 4 | 216720958 |
| 15HW-COND36KWillis · Hi-PRO HDwith ducted air handler HW-AHU36K | 2.5 tons32,000 Btu/h · Ducted | 2.15 | 97% | 10.5 | 19.5 | 11.7 | 31,000 | CEE 25CEE 26XcelES CC | 1 | 216772612 |
| 16MZUHW18KR32-OWILLIS · MULTI HEAT | 1.5 tons18,000 Btu/h · Ducted and non-ducted and mixed (multi-zone) | 2.00 | 77% | 10.0 | 21.0 | 12.0 | 13,800 | CEE 25CEE 26XcelES CC | 3 | 216772308 |
| 17MZUHW24KR32-OWILLIS · MULTI HEAT | 2 tons24,000 Btu/h · Ducted and non-ducted and mixed (multi-zone) | 2.00 | 90% | 10.0 | 21.0 | 13.3 | 21,600 | CEE 25CEE 26XcelES CC | 3 | 216772309 |
| 18MZUHW30KR32-OWILLIS · MULTI HEAT | 2.5 tons28,400 Btu/h · Ducted and non-ducted and mixed (multi-zone) | 2.07 | 90% | 10.0 | 21.0 | 13.6 | 27,000 | CEE 25CEE 26XcelES CC | 3 | 216772310 |
| 19MZUHW36KR32-OWILLIS · MULTI HEAT | 3 tons36,000 Btu/h · Ducted and non-ducted and mixed (multi-zone) | 2.10 | 100% | 10.0 | 21.0 | 12.0 | 36,000 | CEE 25CEE 26CEE AdvXcelDOEES CC | 3 | 216772311 |
| 20MZUHW42KR32-OWILLIS · MULTI HEAT | 3.5 tons42,000 Btu/h · Ducted and non-ducted and mixed (multi-zone) | 2.10 | 90% | 10.0 | 21.0 | 13.0 | 37,800 | CEE 25CEE 26XcelES CC | 3 | 216772312 |
| 21PUHW09KR32-OWILLIS · Ductedwith ducted air handler WHEDT09K | 1 ton9,100 Btu/h · Ducted and non-ducted | 2.14 | 90% | 9.2 | 22.0 | 14.2 | 9,500 | CEE 25CEE 26XcelES CC | 6 | 217560051 |
| 22PUHW12KR32-OWILLIS · HEATFINITYwith ductless indoor unit PUHW12KR32-I | 1 ton12,000 Btu/h · Ducted and non-ducted | 1.95 | 92% | 9.5 | 24.5 | 13.0 | 11,000 | CEE 25CEE 26XcelES CC | 6 | 217007960 |
| 23PUHW18KR32-OWILLIS · HEATFINITYwith ductless indoor unit PUHW18KR32-I | 1.5 tons18,000 Btu/h · Ducted and non-ducted | 1.90 | 81% | 9.0 | 24.5 | 13.7 | 14,600 | CEE 25CEE 26XcelES CC | 8 | 217007961 |
| 24PUHW24KR32-OWILLIS · HEATFINITYwith ductless indoor unit PUHW24KR32-I | 2 tons22,000 Btu/h · Ducted and non-ducted | 2.11 | 79% | 10.0 | 26.0 | 13.7 | 19,000 | CEE 25CEE 26XcelES CC | 4 | 217007962 |
| 25PUHW36KR32-OWILLIS · CENTURIONwith ductless indoor unit PUHW36KR32-I | 3 tons33,600 Btu/h · Non-ducted | 1.80 | 72% | 8.5 | 21.0 | 12.0 | 24,600 | CEE 25CEE 26XcelES CC | 1 | 217007958 |
Download CSV of the matching modelsAll 25 matching models, every page, in this order.