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ORTECH vs ZENAIRE: heat pump ratings compared
Against heat pumps of the same size and type, a typical ORTECH model beats 58% and a typical ZENAIRE model 17%. ORTECH rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
ORTECH
58%
of similar heat pumps beaten by its typical model
Above average24 models listed
ZENAIRE
17%
of similar heat pumps beaten by its typical model
Well below average24 models listed
- Efficiency on a 5°F dayCOP at 5°FORTECH: Beats 53%ZENAIRE: Beats 73%
- Heating power kept at 5°FCapacity at 5°F vs 47°FORTECH: Beats 69%ZENAIRE: Beats 0%
- Winter-long heating efficiencyHSPF2ORTECH: Beats 65%ZENAIRE: Beats 18%
- Summer-long cooling efficiencySEER2ORTECH: Beats 67%ZENAIRE: Beats 17%
- Hot-day cooling efficiencyEER2ORTECH: Beats 42%ZENAIRE: Beats 37%
Average (50%)Dashed outline: the other brand, for comparison
Want ranks, distributions per size class and cold-weather curves? Switch to Advanced
Rebate standards
CEE 2025
- ORTECH
- 83%
- ZENAIRE
- 0%
Xcel CC
- ORTECH
- 79%
- ZENAIRE
- 0%
CEE Advanced
- ORTECH
- 4%
- ZENAIRE
- 0%
ENERGY STAR CC
- ORTECH
- 75%
- ZENAIRE
- 0%
All-around best, ducted 2 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?
ORTECH
- 1OAH-AHU24K-CH-Owith ducted air handler OAH-AHU24K-CH-DORTECH2 tons · 24,000 Btu/h · DuctedCold-climate pick, score 59.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 92% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Good
- Cooling efficiency
- 19.0 (SEER2)
- Great
- Hot-day cooling
- 11.0 (EER2)
- Below the middle
- 2OAH-AHU24K-PR-Owith ducted air handler OAH-AHU24K-PR-DORTECH2 tons · 23,000 Btu/h · DuctedCold-climate pick, score 45.9Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 78% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.89 (COP at 5°F)
- Below the middle
- Winter efficiency
- 8.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 17.0 (SEER2)
- Below the middle
- Hot-day cooling
- 10.5 (EER2)
- Below the middle
ZENAIRE
None of ZENAIRE’s ducted, 2 tons models has all five ratings.
These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.
Next steps
The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.
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