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STEALTH heat pumps: how do their ratings compare?

A typical STEALTH heat pump beats 57% of similar heat pumps (same size and type), which is above average. STEALTH has 42 heat pump models in this list.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

Overall score

57%

of similar heat pumps beaten by its typical model

Above average

STEALTH has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 57 models with every rating.

STEALTH, rating by ratingStrongest on winter-long heating efficiency (beats 69%), weakest on efficiency on a 5°f day (beats 45%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 45%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 61%
  • Winter-long heating efficiencyHSPF2Beats 69%
  • Summer-long cooling efficiencySEER2Beats 61%
  • Hot-day cooling efficiencyEER2Beats 45%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want STEALTH’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 62%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    26 models. All brands: 48%.

    See them

  • 48%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    20 models. All brands: 38%.

    See them

  • 2%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    1 model. All brands: 1%.

    See them

STEALTH all-around best, by size

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

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

11 of STEALTH’s 11 models of this size and type have all five ratings.

  1. 1ES-27Z-M3BSTEALTH2.5 tons · 28,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    67% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.2 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    75.4score / 100Heating 65 · Cooling 86
  2. 2ACIQ-27Z-HH-M3BSTEALTH2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 66.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (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)
    Great
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    74.6score / 100Heating 67 · Cooling 83
  3. 3ACIQ-36Z-HH-M4BSTEALTH3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 63.7Meets none of the standards tracked here
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.70 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Top 10%
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Good
    71.2score / 100Heating 64 · Cooling 79
  4. 4ACIQ-30-HPBwith ducted air handler ACIQ-30W-PSTEALTH2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 67.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.82 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.8 (HSPF2)
    Good
    Cooling efficiency
    18.2 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Good
    68.7score / 100Heating 61 · Cooling 76
  5. 5ACIQ-36-HPCwith ducted air handler ACIQ-36-AHBSTEALTH3 tons · 35,000 Btu/h · DuctedCold-climate pick, score 77.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    16.3 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Good
    68.5score / 100Heating 69 · Cooling 68

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has STEALTH’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view