Skip to content
Rebate.Blue

Gridless vs Hessaire: heat pump ratings compared

Against heat pumps of the same size and type, a typical Gridless model beats 70% and a typical Hessaire model 48%. Gridless rates higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Gridless

70%

of similar heat pumps beaten by its typical model

Well above average

15 models listed

Hessaire

48%

of similar heat pumps beaten by its typical model

About average

14 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°FGridless: Beats 64%Hessaire: Beats 49%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FGridless: Beats 73%Hessaire: Beats 54%
  • Winter-long heating efficiencyHSPF2Gridless: Beats 62%Hessaire: Beats 48%
  • Summer-long cooling efficiencySEER2Gridless: Beats 73%Hessaire: Beats 53%
  • Hot-day cooling efficiencyEER2Gridless: Beats 73%Hessaire: Beats 40%

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

    Gridless
    100%
    Hessaire
    93%

  • Xcel CC

    Gridless
    100%
    Hessaire
    71%

  • CEE Advanced

    Gridless
    13%
    Hessaire
    0%

  • ENERGY STAR CC

    Gridless
    100%
    Hessaire
    57%

All-around best, ducted 3.5–4.5 tons

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

Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

Gridless

  1. 1GRID48OCwith ducted air handler GRID48VAHGridless4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 77.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    77% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.52 (COP at 5°F)
    Top 10%
    Winter efficiency
    9.0 (HSPF2)
    Good
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    82.3score / 100Heating 77 · Cooling 87

Hessaire

  1. 1HOC48Bwith ducted air handler HAH48BHessaire4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 60.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    73% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.0 (HSPF2)
    Good
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    54.9score / 100Heating 61 · Cooling 49
  2. 2HOC60Bwith ducted air handler HAH60BHessaire4.5 tons · 54,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    67% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.95 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    17.0 (SEER2)
    Good
    Hot-day cooling
    8.8 (EER2)
    Below the middle
    42.5score / 100Heating 50 · Cooling 36

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