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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 models

5 models listed

NOVA

56%

of similar heat pumps beaten by its typical model

Above average

5 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • 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

Share of each brand’s models that meet the level. Programs can have other rules too.

  • 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 up to 1.5 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

agtana

None of agtana’s ductless, up to 1.5 tons models has all five ratings.

NOVA

  1. 1NOVA-HE12-EXTwith ductless indoor unit NOVA-HE12-INTNOVA1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 59.5Meets 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
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    24.0 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Good
    67.7score / 100Heating 60 · Cooling 76
  2. 2NOVA-HE18-EXTwith ductless indoor unit NOVA-HE18-INTNOVA1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 38.9Meets 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
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.0 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    51.4score / 100Heating 39 · Cooling 64

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