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agtana vs NOVA: heat pump ratings compared
One of these brands has too few models with every rating for an overall score; see each rating below.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
agtana
—
of similar heat pumps beaten by its typical model
Not enough rated models5 models listed
NOVA
56%
of similar heat pumps beaten by its typical model
Above average5 models listed
- Efficiency on a 5°F dayCOP at 5°Fagtana: Not ratedNOVA: Beats 48%
- Heating power kept at 5°FCapacity at 5°F vs 47°Fagtana: Not ratedNOVA: Beats 34%
- Winter-long heating efficiencyHSPF2agtana: Beats 4%NOVA: Beats 62%
- Summer-long cooling efficiencySEER2agtana: Beats 13%NOVA: Beats 76%
- Hot-day cooling efficiencyEER2agtana: Beats 22%NOVA: Beats 51%
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
- agtana
- 0%
- NOVA
- 100%
Xcel CC
- agtana
- 0%
- NOVA
- 100%
CEE Advanced
- agtana
- 0%
- NOVA
- 0%
ENERGY STAR CC
- agtana
- 0%
- NOVA
- 100%
All-around best, ductless 2.5–3 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?
agtana
None of agtana’s ductless, 2.5–3 tons models has all five ratings.
NOVA
- 1NOVA-MULTI27M3NOVA2.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 57.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.5 (HSPF2)
- Great
- Cooling efficiency
- 24.0 (SEER2)
- Top 10%
- Hot-day cooling
- 12.0 (EER2)
- Good
- 2NOVA-MULTI36M4NOVA3 tons · 35,000 Btu/h · DuctlessCold-climate pick, score 52.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 72% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 22.5 (SEER2)
- Good
- Hot-day cooling
- 11.1 (EER2)
- Below the middle
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.
Open the advanced view