Skip to content
Rebate.Blue

1HVAC vs LPS Legacy: heat pump ratings compared

Against heat pumps of the same size and type, a typical 1HVAC model beats 54% and a typical LPS Legacy model 53%. 1HVAC rates slightly higher overall.

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

1HVAC

54%

of similar heat pumps beaten by its typical model

About average

87 models listed

LPS Legacy

53%

of similar heat pumps beaten by its typical model

About average

58 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°F1HVAC: Beats 44%LPS Legacy: Beats 51%
  • Heating power kept at 5°FCapacity at 5°F vs 47°F1HVAC: Beats 62%LPS Legacy: Beats 49%
  • Winter-long heating efficiencyHSPF21HVAC: Beats 61%LPS Legacy: Beats 62%
  • Summer-long cooling efficiencySEER21HVAC: Beats 59%LPS Legacy: Beats 55%
  • Hot-day cooling efficiencyEER21HVAC: Beats 43%LPS Legacy: Beats 42%

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

    1HVAC
    63%
    LPS Legacy
    59%

  • Xcel CC

    1HVAC
    55%
    LPS Legacy
    40%

  • CEE Advanced

    1HVAC
    1%
    LPS Legacy
    3%

  • ENERGY STAR CC

    1HVAC
    41%
    LPS Legacy
    43%

Top cold-climate picks, ducted 2 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.

Showing Ducted, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

1HVAC

  1. 1ACIQ-24ZPL-HP230Bwith ducted air handler ACIQ-24CD-HH-MB1HVAC2 tons · 24,000 Btu/h · DuctedKeeps 110% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    110% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    80.7score / 100
  2. 2ACIQ-24-EHPBwith ducted air handler ACIQ-24W-WM1HVAC2 tons · 24,000 Btu/h · DuctedKeeps 75% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.33 (COP at 5°F)
    Great
    Seasonal efficiency
    10.2 (HSPF2)
    Great
    74.1score / 100
  3. 3ACIQ-24-HPBwith ducted air handler ACIQ-24W-WM1HVAC2 tons · 24,000 Btu/h · DuctedKeeps 92% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    73.1score / 100

LPS Legacy

  1. 1DLCSRBH24AAKwith ducted air handler DLFSDAH24XAKLPS Legacy2 tons · 24,000 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
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    79.4score / 100
  2. 2DLCURAH24ABKwith ducted air handler DLFUAAH24XAKLPS Legacy2 tons · 24,000 Btu/h · DuctedKeeps 94% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    94% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.91 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    66.5score / 100
  3. 3DLCURAH24AAKwith ducted air handler DLFUAAH24XAKLPS Legacy2 tons · 24,000 Btu/h · DuctedKeeps 75% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    9.2 (HSPF2)
    Good
    62.9score / 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