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BreezeAero vs LITHZEN: 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

BreezeAero

38%

of similar heat pumps beaten by its typical model

Well below average

6 models listed

LITHZEN

—

of similar heat pumps beaten by its typical model

Not enough rated models

6 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°FBreezeAero: Beats 32%LITHZEN: Not rated
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBreezeAero: Beats 42%LITHZEN: Not rated
  • Winter-long heating efficiencyHSPF2BreezeAero: Beats 54%LITHZEN: Beats 3%
  • Summer-long cooling efficiencySEER2BreezeAero: Beats 41%LITHZEN: Beats 10%
  • Hot-day cooling efficiencyEER2BreezeAero: Beats 24%LITHZEN: Beats 13%

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

    BreezeAero
    67%
    LITHZEN
    0%

  • Xcel CC

    BreezeAero
    67%
    LITHZEN
    0%

  • CEE Advanced

    BreezeAero
    0%
    LITHZEN
    0%

  • ENERGY STAR CC

    BreezeAero
    0%
    LITHZEN
    0%

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?

BreezeAero

  1. 1ACA-2537BBreezeAero2.5 tons · 28,000 Btu/h · DuctlessCold-climate pick, score 47.6Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    20.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.0 (EER2)
    Below the middle
    38.7score / 100Heating 48 · Cooling 30

LITHZEN

No ductless, 2.5–3 tons model from LITHZEN.

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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