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Gridless heat pumps: how do their ratings compare?

A typical Gridless heat pump beats 70% of similar heat pumps (same size and type), which is well above average. Gridless has 15 heat pump models in this list.

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

Overall score

70%

of similar heat pumps beaten by its typical model

Well above average

Gridless has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 15 models with every rating.

Gridless, rating by ratingStrongest on summer-long cooling efficiency (beats 73%), weakest on winter-long heating efficiency (beats 62%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 64%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 73%
  • Winter-long heating efficiencyHSPF2Beats 62%
  • Summer-long cooling efficiencySEER2Beats 73%
  • Hot-day cooling efficiencyEER2Beats 73%

Average (50%)

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

Want Gridless’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.

  • 100%

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

    15 models. All brands: 57%.

    See them

  • 100%

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

    15 models. All brands: 53%.

    See them

  • 13%

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

    2 models. All brands: 3%.

    See them

Gridless 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). What size is my system?

1 of Gridless’s 1 model of this size and type have all five ratings.

  1. 1GRID36OCwith ducted air handler GRID36VAHGridless2.5 tons · 32,000 Btu/h · DuctedCold-climate pick, score 87.9Meets 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
    2.15 (COP at 5°F)
    Great
    Winter efficiency
    10.5 (HSPF2)
    Top 10%
    Cooling efficiency
    19.5 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    82.3score / 100Heating 88 · Cooling 77

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 Gridless’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view