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ADP vs STEALTH: heat pump ratings compared

Against heat pumps of the same size and type, a typical ADP model beats 52% and a typical STEALTH model 57%. STEALTH rates slightly higher overall.

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

ADP

52%

of similar heat pumps beaten by its typical model

About average

41 models listed

STEALTH

57%

of similar heat pumps beaten by its typical model

Above average

42 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°FADP: Beats 46%STEALTH: Beats 45%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FADP: Beats 73%STEALTH: Beats 61%
  • Winter-long heating efficiencyHSPF2ADP: Beats 64%STEALTH: Beats 69%
  • Summer-long cooling efficiencySEER2ADP: Beats 57%STEALTH: Beats 61%
  • Hot-day cooling efficiencyEER2ADP: Beats 30%STEALTH: Beats 45%

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

    ADP
    54%
    STEALTH
    62%
  • Xcel CC

    ADP
    73%
    STEALTH
    48%
  • CEE Advanced

    ADP
    2%
    STEALTH
    2%
  • ENERGY STAR CC

    ADP
    0%
    STEALTH
    50%

Top cold-climate picks, ducted up to 1.5 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

ADP

  1. 1DLCURAH18ABKwith ducted air handler H,GE31930+TDADP1.5 tons · 18,000 Btu/h · DuctedKeeps 83% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    9.2 (HSPF2)
    Below the middle
    62.3score / 100
  2. 2DMA18HOS20230E7with ducted air handler HG21918+TDADPAlso listed as DIRM-18MAGICPRO20-OU1.5 tons · 17,700 Btu/h · DuctedKeeps 83% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    8.9 (HSPF2)
    Below the middle
    60.5score / 100

STEALTH

  1. 1ACIQ-18-HPBwith ducted air handler ACIQ-18W-WMSTEALTH1.5 tons · 18,000 Btu/h · DuctedKeeps 99% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    99% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Seasonal efficiency
    10.8 (HSPF2)
    Top 10%
    86.9score / 100
  2. 2ACIQ-09ZPL-HP230Bwith ducted air handler ACIQ-09CD-HH-MBSTEALTH1 ton · 9,000 Btu/h · DuctedKeeps 108% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    108% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    12.0 (HSPF2)
    Top 10%
    74.9score / 100
  3. 3ACIQ-12ZPL-HP230Bwith ducted air handler ACIQ-12CD-HH-MBSTEALTH1 ton · 12,000 Btu/h · DuctedKeeps 97% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.96 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    65.4score / 100

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